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Ribonuclease H

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668: 1432: 1298: 1525: 1510:/IFIH1, all of which are involved in nucleic acid processing. Characterization of mutational distribution in an AGS patient population found 5% of all AGS mutations in RNASEH2A, 36% in 2B, and 12% in 2C. Mutations in 2B have been associated with somewhat milder neurological impairment and with an absence of interferon-induced gene upregulation that can be detected in patients with other AGS-associated genotypes. 7261: 40: 878:
H. Type 1 RNases H have prokaryotic and eukaryotic RNases H1 and retroviral RNase H. Type 2 RNases H have prokaryotic and eukaryotic RNases H2 and bacterial RNase H3. These RNases H exist in a monomeric form, except for eukaryotic RNases H2, which exist in a heterotrimeric form. RNase H1 and H2 have distinct
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may have played a role in establishing the distribution of these enzymes. RNase HI and HIII rarely or never appear in the same prokaryotic genome. When an organism's genome contains more than one RNase H gene, they sometimes have significant differences in activity level. These observations have been
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primer, and removal of the plus-strand purine-rich polypurine tract (PPT) primer. RNase H plays a role in the priming of the plus-strand, but not in the conventional method of synthesizing a new primer sequence. Rather RNase H creates a "primer" from the PPT that is resistant to RNase H cleavage. By
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group on either end of the cut site with a two-metal-ion catalysis mechanism, in which two divalent cations, such as Mg2+ and Mn2+, directly participate in the catalytic function. Depending on the differences in their amino acid sequences, these RNases H are classified into type 1 and type 2 RNases
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In prokaryotes, RNase H2 is enzymatically active as a monomeric protein. In eukaryotes, it is an obligate heterotrimer composed of a catalytic subunit A and structural subunits B and C. While the A subunit is closely homologous to the prokaryotic RNase H2, the B and C subunits have no apparent
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The structure of the trimeric human H2 complex, with the catalytic A subunit in blue, the structural B subunit in brown, and the structural C subunit in pink. Although the B and C subunits do not interact with the active site, they are required for activity. The catalytic residues in the
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to facilitate comparative analysis, yielding the modern nomenclature in which the prokaryotic enzymes are designated with Roman numerals and the eukaryotic enzymes with Arabic numerals. The prokaryotic RNase HIII, reported in 1999, was the last RNase H subtype to be identified.
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was sequenced, but the corresponding protein was found not to have enzymatic activity in isolation. Eventually, the yeast B and C subunits were isolated by co-purification and found to be required for enzymatic activity. However, the yeast B and C subunits have very low
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and structural similarity, but have substrate preferences that more closely resemble H1. Unlike HI and HII, which are both widely distributed among prokaryotes, HIII is found in only a few organisms with a scattered taxonomic distribution; it is somewhat more common in
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Ohtani N, Haruki M, Morikawa M, Crouch RJ, Itaya M, Kanaya S (January 1999). "Identification of the genes encoding Mn2+-dependent RNase HII and Mg2+-dependent RNase HIII from Bacillus subtilis: classification of RNases H into three families".
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that specifically inhibit the polymerase function of RT are in widespread clinical use, but not inhibitors of the RNase H function; it is the only enzymatic function encoded by HIV that is not yet targeted by drugs in clinical use.
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The mechanism of the release of the cleaved product is still unresolved. Experimental evidence from time-resolved crystallography and similar nucleases points to a role of a third ion in the reaction recruited to the active site.
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Crow YJ, Leitch A, Hayward BE, Garner A, Parmar R, Griffith E, et al. (August 2006). "Mutations in genes encoding ribonuclease H2 subunits cause Aicardi-Goutières syndrome and mimic congenital viral brain infection".
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in a substrate and cannot remove a single ribonucleotide from a strand that is otherwise composed of deoxyribonucleotides. For this reason, it is considered unlikely that RNase H1 enzymes are involved in the processing of
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The crystal structure of the HIV reverse transcriptase heterodimer (yellow and green), with the RNase H domain shown in blue (active site in magenta spheres). The orange nucleic acid strand is RNA, the red strand is
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The evolutionary trajectory of RNase H2 in eukaryotes, especially the mechanism by which eukaryotic homologs became obligate heterotrimers, is unclear; the B and C subunits have no apparent homologs in prokaryotes.
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enzymes and is considered to be evolutionarily ancient. In prokaryotic genomes, multiple RNase H genes are often present, but there is little correlation between occurrence of HI, HII, and HIII genes and overall
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Loo JF, Wang SS, Peng F, He JA, He L, Guo YC, et al. (July 2015). "A non-PCR SPR platform using RNase H to detect MicroRNA 29a-3p from throat swabs of human subjects with influenza A virus H1N1 infection".
2957:"The absence of ribonuclease H1 or H2 alters the sensitivity of Saccharomyces cerevisiae to hydroxyurea, caffeine and ethyl methanesulphonate: implications for roles of RNases H in DNA replication and repair" 839:. Within the H1 group, a relationship has been identified between higher substrate-binding affinity and the presence of structural elements consisting of a helix and flexible loop providing a larger and more 1666:
suggested to reflect an evolutionary pattern that minimizes functional redundancy among RNase H genes. RNase HIII, which is unique to prokaryotes, has a scattered taxonomic distribution and is found in both
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Both prokaryotic and eukaryotic H2 enzymes can cleave single ribonucleotides in a strand. however, they have slightly different cleavage patterns and substrate preferences: prokaryotic enzymes have lower
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Some prokaryotes possess an additional H2-type gene designated RNase HIII in the Roman-numeral nomenclature used for the prokaryotic genes. HIII proteins are more closely related to the H2 group by
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contained two RNase H genes. Originally, the enzyme now known as RNase H2 in eukaryotes was designated H1 and vice versa, but the names of the eukaryotic enzymes were switched to match those in
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are the best-studied members of the family. Retroviral RT is responsible for converting the virus' single-stranded RNA genome into double-stranded DNA. This process requires three steps: first,
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Raschke TM, Marqusee S (April 1997). "The kinetic folding intermediate of ribonuclease H resembles the acid molten globule and partially unfolded molecules detected under native conditions".
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is associative in nature and forms an intermediate with protonated phosphate and deprotonated alkoxide leaving group. The leaving group is protonated via the glutamate which has an elevated
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Mölling K, Bolognesi DP, Bauer H, Büsen W, Plassmann HW, Hausen P (December 1971). "Association of viral reverse transcriptase with an enzyme degrading the RNA moiety of RNA-DNA hybrids".
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Mizuno M, Yasukawa K, Inouye K (February 2010). "Insight into the mechanism of the stabilization of moloney murine leukaemia virus reverse transcriptase by eliminating RNase H activity".
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deoxyribonucleotide, while eukaryotic enzymes are more processive and hydrolyze both types of substrate with similar efficiency. The substrate specificity of RNase H2 gives it a role in
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Frank P, Braunshofer-Reiter C, Wintersberger U (January 1998). "Yeast RNase H(35) is the counterpart of the mammalian RNase HI, and is evolutionarily related to prokaryotic RNase HII".
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Reus K, Mayer J, Sauter M, Scherer D, MĂĽller-Lantzsch N, Meese E (March 2001). "Genomic organization of the human endogenous retrovirus HERV-K(HML-2.HOM) (ERVK6) on chromosome 7".
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activity synthesizes plus-strand DNA, generating double-stranded DNA as the final product. The second step of this process is carried out by an RNase H domain located at the
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encodes both H1 and H2. Human ribonuclease H2 is a heterotrimeric complex composed of three subunits, mutations in any of which are among the genetic causes of a
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Based on experimental evidence and computer simulations the enzyme activates a water molecule bound to one of the metal ions with the conserved histidine. The
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to their homologs in other organisms, and the corresponding human proteins were conclusively identified only after mutations in all three were found to cause
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Tadokoro T, Kanaya S (March 2009). "Ribonuclease H: molecular diversities, substrate binding domains, and catalytic mechanism of the prokaryotic enzymes".
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Davies JF, Hostomska Z, Hostomsky Z, Jordan SR, Matthews DA (April 1991). "Crystal structure of the ribonuclease H domain of HIV-1 reverse transcriptase".
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symptoms at an early age. The symptoms of AGS closely resemble those of congenital viral infection and are associated with inappropriate upregulation of
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Klarmann GJ, Hawkins ME, Le Grice SF (2002). "Uncovering the complexities of retroviral ribonuclease H reveals its potential as a therapeutic target".
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Goodrich TT, Lee HJ, Corn RM (April 2004). "Direct detection of genomic DNA by enzymatically amplified SPR imaging measurements of RNA microarrays".
886:, whereas both are believed to be essential in higher eukaryotes. The combined activity of both H1 and H2 enzymes is associated with maintenance of 4181:
Moelling K, Broecker F, Kerrigan JE (2014-01-01). "RNase H: Specificity, Mechanisms of Action, and Antiviral Target". In Vicenzi E, Poli G (eds.).
1710:. It can also be used to cleave specific RNA sequences in the presence of short complementary segments of DNA. Highly sensitive techniques such as 6335: 825:
RNases H1 have been extensively studied to explore the relationships between structure and enzymatic activity. They are also used, especially the
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Stein H, Hausen P (October 1969). "Enzyme from calf thymus degrading the RNA moiety of DNA-RNA Hybrids: effect on DNA-dependent RNA polymerase".
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RNase H performs three types of cleaving actions: non-specific degradation of the plus-strand RNA genome, specific removal of the minus-strand
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Cecconi C, Shank EA, Bustamante C, Marqusee S (September 2005). "Direct observation of the three-state folding of a single protein molecule".
814:. Prokaryotic HIII enzymes are members of the broader H2 group and share most structural features with H2, with the addition of an N-terminal 5182: 4607: 4334: 4198: 3119: 6496: 810:. While all members of the H1 group and the prokaryotic members of the H2 group function as monomers, eukaryotic H2 enzymes are obligate 6597: 6591: 6392: 6142: 3991:"Characterization of human disease phenotypes associated with mutations in TREX1, RNASEH2A, RNASEH2B, RNASEH2C, SAMHD1, ADAR, and IFIH1" 802:
organization of the enzymes varies; some prokaryotic and most eukaryotic members of the H1 group have an additional small domain at the
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Cao L, Song W, De Clercq E, Zhan P, Liu X (June 2014). "Recent progress in the research of small molecule HIV-1 RNase H inhibitors".
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RNases H can be broadly divided into two subtypes, H1 and H2, which for historical reasons are given Arabic numeral designations in
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DNA from the plus-strand RNA template, generating an RNA:DNA hybrid intermediate; second, the RNA strand is destroyed; and third,
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and human RNase H1 homologs and absent in the HIV RNase H domain, but examples of retroviral domains with C-helices do exist.
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known as the "hybrid binding domain", which facilitates binding to RNA:DNA hybrid duplexes and sometimes confers increased
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Crouch RJ, Arudchandran A, Cerritelli SM (2001-01-01). "RNase H1 of Saccharomyces cerevisiae: methods and nomenclature".
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Tramontano E, Di Santo R (2010). "HIV-1 RT-associated RNase H function inhibitors: Recent advances in drug development".
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Nowotny M, Figiel M (2013-01-01). "The RNase H Domain: Structure, Function and Mechanism". In LeGrice S, Gotte M (eds.).
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preferences and distinct but overlapping functions in the cell. In prokaryotes and lower eukaryotes, neither enzyme is
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Characterizing eukaryotic RNase H2 was historically a challenge, in part due to its low abundance. Careful efforts at
1453: 1404: 1242: 713: 593: 3231:"RNase H and multiple RNA biogenesis factors cooperate to prevent RNA:DNA hybrids from generating genome instability" 1448:
at position 177 of subunit B - is shown as a green sphere. Many of these mutations do not disrupt catalytic activity
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Ma BG, Chen L, Ji HF, Chen ZH, Yang FR, Wang L, et al. (February 2008). "Characters of very ancient proteins".
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Goedken ER, Marqusee S (December 2001). "Native-state energetics of a thermostabilized variant of ribonuclease HI".
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RNase HI and HII are commercially available. RNase HI is often used to destroy the RNA template after first-strand
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are shown in magenta. Positions shown in yellow are those with known AGS mutations. The most common AGS mutation -
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The charged residues bind two metal ions that are required for catalysis; under physiological conditions these are
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proteins, the structural core common between the H1 and H2 subtypes is shown in red. Structures are rendered from:
7121: 5108:"Isolation and characterization of a second RNase H (RNase HII) of Escherichia coli K-12 encoded by the rnhB gene" 1545:, which encode their genomes in single-stranded RNA and replicate through a double-stranded DNA intermediate; and 7237: 7224: 7211: 7198: 7185: 7172: 7159: 6742: 6688: 6648: 6607: 6511: 6350: 6318: 6204: 6168: 5941: 3445:"Evidence for a dual functional role of a conserved histidine in RNA·DNA heteroduplex cleavage by human RNase H1" 2494:
Hollien J, Marqusee S (March 1999). "A thermodynamic comparison of mesophilic and thermophilic ribonucleases H".
1711: 1658: 1581: 1519: 502: 355: 7131: 2905:"Viable RNaseH1 knockout mice show RNaseH1 is essential for R loop processing, mitochondrial and liver function" 2348:
Schmitt TJ, Clark JE, Knotts TA (December 2009). "Thermal and mechanical multistate folding of ribonuclease H".
1791:. It later became clear that calf thymus extract contained more than one protein with RNase H activity and that 1686:
Because RNase H specifically degrades only the RNA in double-stranded RNA:DNA hybrids, it is commonly used as a
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are also common in the genome and often include their own RNase H domains, with a complex evolutionary history.
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of nearly all RNases H contains four negatively charged amino acid residues, known as the DEDD motif; often a
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Majorek KA, Dunin-Horkawicz S, Steczkiewicz K, Muszewska A, Nowotny M, Ginalski K, Bujnicki JM (April 2014).
155: 7033: 6265: 6135: 5504: 5435: 5208:"Cloning of the cDNA encoding the large subunit of human RNase HI, a homologue of the prokaryotic RNase HII" 2259:"The RNase H-like superfamily: new members, comparative structural analysis and evolutionary classification" 3989:
Crow YJ, Chase DS, Lowenstein Schmidt J, Szynkiewicz M, Forte GM, Gornall HL, et al. (February 2015).
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DĂĽrr S, Bohusewicz O, Berta D, Suardiaz R, Peter C, Jambrina PG, Peter C, Shao Y, Rosta E (16 June 2021).
2037:"Crystal structure of RNase H3-substrate complex reveals parallel evolution of RNA/DNA hybrid recognition" 1739: 580:
group. RNases H have been proposed as members of an evolutionarily related superfamily encompassing other
406: 1277:, H2 is the dominant source of RNase H activity there and is important for maintaining genome stability. 330: 235: 7054: 6973: 6756: 6653: 6445: 6406: 6270: 6192: 5927: 5696: 5366: 1788: 1723: 1707: 1573: 1562: 1538: 1465: 1408: 1107:. The defects in mitochondrial DNA replication induced by loss of RNase H1 are likely due to defects in 879: 819: 667: 548: 506: 478: 452: 143: 7126: 1208: 1003: 3094:
Hollis T, Shaban NM (2011-01-01). "Structure and Function of RNase H Enzymes". In Nicholson AW (ed.).
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protein commonly used as a reagent is not effective at inhibiting the activity of either HI or HII.
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substrate-binding surface. The C-helix has a scattered taxonomic distribution; it is present in the
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residues, often referred to as the DEDD motif. These residues interact with catalytically required
697: 430: 282: 171: 73: 3042:"RNASEH1 Mutations Impair mtDNA Replication and Cause Adult-Onset Mitochondrial Encephalomyopathy" 2955:
Arudchandran A, Cerritelli S, Narimatsu S, Itaya M, Shin DY, Shimada Y, Crouch RJ (October 2000).
95: 7286: 7023: 6927: 6779: 6260: 6250: 6128: 4840: 4693: 4633: 4621: 4247: 3971: 3833: 3565: 2623:"Ribonuclease H: properties, substrate specificity and roles in retroviral reverse transcription" 2554: 2476: 2236: 2012: 1687: 1301: 671:
Comparison of the structures of representative ribonuclease H proteins from each subtype. In the
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Because RNase H activity is required for viral proliferation, this domain has been considered a
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removing all bases but the PPT, the PPT is used as a marker for the end of the U3 region of its
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protein (beige, top left), the four conserved active site residues are shown as spheres. In the
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Crow YJ, Manel N (July 2015). "Aicardi-Goutières syndrome and the type I interferonopathies".
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Ohtani N, Haruki M, Morikawa M, Kanaya S (January 1999). "Molecular diversities of RNases H".
2696: 2652: 2603: 2546: 2511: 2468: 2425: 2373: 2330: 2288: 2228: 2168: 2116: 2066: 2004: 1963: 1881: 1854: 1831: 1734: 1727: 1703: 1691: 1558: 1491: 1281: 1238: 1199: 1104: 994: 840: 764: 751: 735: 719: 703: 687: 349: 162: 4089:"Crystal structure of HIV-1 reverse transcriptase in complex with a polypurine tract RNA:DNA" 3140:
Chon H, Vassilev A, DePamphilis ML, Zhao Y, Zhang J, Burgers PM, et al. (January 2009).
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or to introduce single-stranded nicks at positions containing a ribonucleotide. A variant of
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Reyes A, Melchionda L, Nasca A, Carrara F, Lamantea E, Zanolini A, et al. (July 2015).
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Sarafianos SG, Das K, Tantillo C, Clark AD, Ding J, Whitcomb JM, et al. (March 2001).
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can be used for detection. RNase HII can be used to degrade the RNA primer component of an
1524: 1191: 986: 131: 7116: 7100: 7013: 6906: 6720: 6636: 6631: 6626: 6539: 6534: 6294: 6172: 6080: 5872: 5746: 5464: 5414: 5397: 4645: 3383:"Evolution of ribonuclease H genes in prokaryotes to avoid inheritance of redundant genes" 2998:"Failure to produce mitochondrial DNA results in embryonic lethality in Rnaseh1 null mice" 2396:"Specific recognition of RNA/DNA hybrid and enhancement of human RNase H1 activity by HBD" 1649: 1420: 1250: 1080: 1049: 836: 521: 498: 294: 265: 107: 5223: 5123: 4820: 4673: 3398: 3295: 2456: 2361: 2104: 1052:. RNase H1 is not essential in unicellular organisms where it has been investigated; in 66: 7265: 7154: 7095: 6879: 6874: 6869: 6255: 6230: 6226: 6199: 6182: 5720: 5700: 5042: 5025: 4876: 4859: 4784: 4757: 4562: 4537: 4381: 4354: 4291: 4266: 4158: 4137: 4064: 4039: 4038:
Rice G, Patrick T, Parmar R, Taylor CF, Aeby A, Aicardi J, et al. (October 2007).
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Dobosy JR, Rose SD, Beltz KR, Rupp SM, Powers KM, Behlke MA, Walder JA (August 2011).
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Nowotny M, Cerritelli SM, Ghirlando R, Gaidamakov SA, Crouch RJ, Yang W (April 2008).
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and hydrolyze successive ribonucleotides more efficiently than ribonucleotides with a
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Lima WF, Murray HM, Damle SS, Hart CE, Hung G, De Hoyos CL, et al. (June 2016).
2675:"Making and breaking nucleic acids: two-Mg2+-ion catalysis and substrate specificity" 2638: 2224: 1949: 1813: 1759: 1719: 1100: 1096: 1064: 1059: 186: 181: 4992: 4977:"Ribonuclease H: a ubiquitous activity in virions of ribonucleic acid tumor viruses" 4844: 4697: 4251: 3975: 2558: 2480: 2240: 2139:"Identification and characterization of HIV-specific RNase H by monoclonal antibody" 1471:
Mutations in any of the three RNase H2 subunits are well-established as causes of a
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origin appears frequently in the genome, reflecting integration of the genomes of
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Frank P, Braunshofer-Reiter C, Wintersberger U, Grimm R, BĂĽsen W (October 1998).
4828: 4599: 3761:"Convergent evolution of ribonuclease h in LTR retrotransposons and retroviruses" 3246: 3111: 2691: 2674: 2574:"RNase H activity: structure, specificity, and function in reverse transcription" 1165: 948: 477:
The family is divided into evolutionarily related groups with slightly different
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Brindefalk B, Dessailly BH, Yeats C, Orengo C, Werner F, Poole AM (March 2013).
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Figiel M, Chon H, Cerritelli SM, Cybulska M, Crouch RJ, Nowotny M (March 2011).
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Kim N, Huang SN, Williams JS, Li YC, Clark AB, Cho JE, et al. (June 2011).
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Cerritelli SM, Frolova EG, Feng C, Grinberg A, Love PE, Crouch RJ (March 2003).
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Figiel M, Chon H, Cerritelli SM, Cybulska M, Crouch RJ, Nowotny M (March 2011).
1608: 1487: 1437: 1313: 776: 609: 605: 589: 528:. Both H1 and H2 are involved in genome maintenance tasks such as processing of 7260: 5212:
Proceedings of the National Academy of Sciences of the United States of America
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Proceedings of the National Academy of Sciences of the United States of America
4514: 4444: 3057: 2751:"PCNA directs type 2 RNase H activity on DNA replication and repair substrates" 190: 6899: 6092: 6066: 5854: 5839: 5351: 4185:. Methods in Molecular Biology. Vol. 1087. Humana Press. pp. 71–84. 4104: 3726: 3641: 3194:
Reijns MA, Jackson AP (August 2014). "Ribonuclease H2 in health and disease".
1589: 1542: 1407:. Such integration events result in the presence of genes encoding retroviral 1400: 1041: 803: 768: 745: 729: 624: 510: 494: 456: 5232: 3561: 1083:
with and without the MTS present. As a result, RNase H1 is localized to both
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Bubeck D, Reijns MA, Graham SC, Astell KR, Jones EY, Jackson AP (May 2011).
2464: 2112: 1784: 1780: 1632: 1624: 1483: 1445: 1328: 1324: 1317: 1036: 874: 792: 788: 784: 620: 601: 577: 471: 462:. Members of the RNase H family can be found in nearly all organisms, from 441: 5335: 5192: 4953: 4793: 4742: 4689: 4617: 4571: 4522: 4487: 4452: 4417: 4390: 4300: 4243: 4208: 4167: 4122: 4073: 4024: 3967: 3929: 3888: 3829: 3808:
Malik HS (2005). "Ribonuclease H evolution in retrotransposable elements".
3794: 3745: 3694: 3686: 3659: 3610: 3527: 3478: 3426: 3321: 3264: 3215: 3175: 3075: 3023: 2982: 2938: 2886: 2835: 2784: 2735: 2700: 2656: 2607: 2515: 2472: 2429: 2377: 2292: 2232: 2070: 2008: 1967: 1885: 1877: 5286: 5251: 5151: 5092: 5010: 4961: 4926: 4885: 4836: 3362: 2550: 2411: 2334: 2274: 2172: 2120: 6857: 6852: 6847: 6668: 6303: 6155: 6107: 6088: 5660: 5651: 5449: 5317: 4553: 4006: 3920: 3903: 3585:"A stepwise model for double-stranded RNA processing by ribonuclease III" 3280:"Mutagenic processing of ribonucleotides in DNA by yeast topoisomerase I" 3157: 2920: 2766: 2052: 1730: 1667: 1653: 1616: 1550: 1392: 1386: 1380: 1160: 943: 867: 652: 581: 570: 463: 306: 5051: 3207: 2867: 2542: 1460:
In small studies, mutations in human RNase H1 have been associated with
119: 39: 6864: 6842: 6837: 6455: 5671: 5646: 5641: 5473: 4860:"Ribonuclease H. An enzyme degrading the RNA moiety of DNA-RNA hybrids" 4681: 3460: 1775: 1671: 1441: 1374: 1347: 1332: 1286: 1054: 955: 827: 681: 656: 467: 325: 138: 17: 5300:
Jeong HS, Backlund PS, Chen HC, Karavanov AA, Crouch RJ (2004-01-01).
4734: 4594:. Vol. Chapter 3. John Wiley & Sons, Inc. pp. Unit3.13. 4235: 3821: 3509: 3354: 2507: 2369: 1858: 1354:
enzyme which both also use a histidine and a two-metal ion mechanism.
798:
RNases H2 are larger than H1 and usually have additional helices. The
755: 739: 723: 707: 691: 651:
gene encodes HII. A third related class, called HIII, occurs in a few
7219: 6989: 6884: 6817: 6710: 6308: 6216: 5302:"RNase H2 of Saccharomyces cerevisiae is a complex of three proteins" 5067:"DNA sequence of the gene coding for Escherichia coli ribonuclease H" 4371: 4355:"HIV-1 Ribonuclease H: Structure, Catalytic Mechanism and Inhibitors" 1826: 1762: 1726:
or rhPCR, has been described using a thermostable RNase HII from the
1499: 1270: 1219: 1108: 1072: 1014: 960: 891: 887: 544: 529: 437: 389: 301: 289: 277: 218: 114: 102: 90: 3959: 2310: 1269:, removing misincorporated ribonucleotides from DNA, in addition to 4055: 3583:
Gan J, Shaw G, Tropea JE, Waugh DS, Court DL, Ji X (January 2008).
2956: 2000: 1289:
and is rarely or never found in the same prokaryotic genome as HI.
7193: 6826: 6577: 6573: 6021: 6016: 6011: 5994: 5989: 5984: 5979: 5967: 5962: 5680: 5675: 5632: 5627: 5622: 1569: 1534: 1523: 1495: 1430: 1412: 1305: 1296: 1262: 890:
stability due to the enzymes' degradation of the RNA component of
871: 864: 666: 574: 567: 1273:
processing. Although both H1 and H2 are present in the mammalian
6558: 6435: 6428: 6372: 6367: 5903: 5827: 5822: 5817: 5812: 5807: 5802: 5797: 5792: 5787: 5782: 5777: 5772: 5664: 5594: 5589: 5584: 5579: 5574: 5569: 5557: 5550: 5541: 5536: 5531: 5526: 5521: 5516: 5478: 5454: 5442: 4040:"Clinical and molecular phenotype of Aicardi-Goutieres syndrome" 1596: 1507: 1503: 1351: 1246: 1181: 1147: 1135: 976: 930: 918: 613: 597: 313: 126: 6962: 6124: 5370: 3494:"Calcium inhibition of ribonuclease H1 two-metal ion catalysis" 2851:"RNase H enables efficient repair of R-loop induced DNA damage" 1821:
protein (that is, the H2A subunit) was easily identifiable by
1346:
and is likely to be protonated. The mechanism is similar to
1343: 860: 556: 552: 514: 493:. A third type, closely related to H2, is found only in a few 449: 445: 3759:
Ustyantsev K, Novikova O, Blinov A, Smyshlyaev G (May 2015).
1773:
specificity. RNase H activity was subsequently discovered in
3229:
Wahba L, Amon JD, Koshland D, Vuica-Ross M (December 2011).
481:
preferences, broadly designated ribonuclease H1 and H2. The
5352:
GeneReviews/NCBI/NIH/UW entry on Aicardi-Goutières Syndrome
2137:
Hansen J, Schulze T, Mellert W, Moelling K (January 1988).
1811:
RNase H2, the eukaryotic enzyme had multiple subunits. The
1750:
Ribonucleases H were first discovered in the laboratory of
6958: 5169:. Methods in Enzymology. Vol. 341. pp. 395–413. 822:
proteins have structures closely resembling the H1 group.
3710:"Convergence of retrotransposons in oomycetes and plants" 1674:; it is believed to have diverged from HII fairly early. 1237:
homologs in prokaryotes and are poorly conserved at the
3708:
Ustyantsev K, Blinov A, Smyshlyaev G (14 March 2017).
1494:. AGS can also be caused by mutations in other genes: 818:. Retroviral RNase H domains occurring in multidomain 7249: 4975:
Grandgenett DP, Gerard GF, Green M (December 1972).
4538:"Evolutionary history of the TBP-domain superfamily" 2950: 2948: 1241:
level even among eukaryotes. The B subunit mediates
659:; it is closely related to prokaryotic HII enzymes. 7145: 7109: 7078: 7047: 6996: 6915: 6803: 6755: 6741: 6719: 6701: 6687: 6667: 6606: 6510: 6349: 6317: 6167: 6079: 6053: 5883: 5754: 5745: 5689: 5489: 5422: 5413: 5026:"Distinct ribonuclease H activities in calf thymus" 4503:
Biochemical and Biophysical Research Communications
1452:, but do destabilize the complex or interfere with 1218: 1198: 1180: 1175: 1159: 1146: 1134: 1126: 1121: 1013: 993: 975: 970: 954: 942: 929: 917: 909: 904: 400: 388: 376: 371: 348: 336: 324: 312: 300: 288: 276: 271: 259: 254: 249: 229: 217: 205: 200: 180: 161: 149: 137: 125: 113: 101: 89: 84: 72: 60: 55: 32: 4319:Human Immunodeficiency Virus Reverse Transcriptase 4138:"Molecular biology of hepatitis B virus infection" 1927: 1925: 1923: 1921: 1919: 1917: 1915: 1561:, respectively. Both encode large multifunctional 1411:, which includes an RNase H domain. An example is 1383:, the catalytic subunit of the trimeric H2 complex 1304:for RNase H catalysis using two metal ions in the 6446:Fructose 6-P,2-kinase:fructose 2,6-bisphosphatase 4348: 4346: 1913: 1911: 1909: 1907: 1905: 1903: 1901: 1899: 1897: 1895: 1648:RNases H are widely distributed and occur in all 1395:, a structural subunit of the trimeric H2 complex 1389:, a structural subunit of the trimeric H2 complex 1335:or high concentration of Mg2+ inhibits activity. 1320:e.g. in HIV-1, human or E. coli is also present. 1062:confer a temperature-sensitive phenotype, and in 2206: 2204: 2202: 1652:. The family belongs to a larger superfamily of 1331:also usually supports enzymatic activity, while 4585: 4583: 4581: 4312: 4310: 3376: 3374: 3372: 2389: 2387: 2200: 2198: 2196: 2194: 2192: 2190: 2188: 2186: 2184: 2182: 863:in a double-stranded RNA:DNA hybrid, leaving a 3335: 3333: 3331: 3189: 3187: 3185: 3089: 3087: 3085: 2309:Rice P, Craigie R, Davies DR (February 1996). 2252: 2250: 1031:Ribonuclease H1 enzymes require at least four 562:. By definition, RNases H cleave RNA backbone 520:In eukaryotes, ribonuclease H1 is involved in 6974: 6136: 5382: 3539: 3537: 3035: 3033: 2132: 2130: 2086: 2084: 2082: 2080: 2030: 2028: 2026: 1619:and other conditions caused by retroviruses. 1419:(LTR) and non-long terminal repeat (non-LTR) 767:of RNase H commonly consists of a 5-stranded 8: 3995:American Journal of Medical Genetics. Part A 3941: 3939: 3438: 3436: 3135: 3133: 3131: 2898: 2896: 2668: 2666: 1462:chronic progressive external ophthalmoplegia 584:and nucleic acid processing enzymes such as 4899:Miller HI, Riggs AD, Gill GN (April 1973). 4224:Bioscience, Biotechnology, and Biochemistry 3626:"Cation trafficking propels RNA hydrolysis" 3492:Rosta E, Yang W, Hummer G (February 2014). 2304: 2302: 1981: 1979: 1977: 1934:"Ribonuclease H: the enzymes in eukaryotes" 1765:in 1969 and gave it the name "ribonuclease 1627:have been identified, many of which have a 1623:of retroviral RNase H of several different 1068:, they produce defects in stress response. 6981: 6967: 6959: 6752: 6698: 6684: 6143: 6129: 6121: 5751: 5419: 5389: 5375: 5367: 3381:Kochiwa H, Tomita M, Kanai A (July 2007). 1565:(RT) proteins containing RNase H domains. 1377:, an example of the H1 (monomeric) subtype 1172: 967: 368: 197: 38: 5359:at the U.S. National Library of Medicine 5325: 5241: 5231: 5141: 5131: 5082: 5041: 5000: 4916: 4875: 4783: 4773: 4724: 4561: 4380: 4370: 4290: 4157: 4112: 4063: 4014: 3919: 3878: 3868: 3784: 3735: 3725: 3649: 3630:Nature Structural & Molecular Biology 3600: 3517: 3468: 3416: 3406: 3311: 3254: 3165: 3065: 3013: 2972: 2928: 2876: 2866: 2825: 2815: 2774: 2690: 2646: 2597: 2419: 2311:"Retroviral integrases and their cousins" 2282: 2162: 2060: 1957: 1807:of the enzyme suggested that, unlike the 4713:Journal of the American Chemical Society 3498:Journal of the American Chemical Society 2716:Journal of Bioscience and Bioengineering 2673:Yang W, Lee JY, Nowotny M (April 2006). 517:and are required for viral replication. 7256: 6336:Ubiquitin carboxy-terminal hydrolase L1 3443:Alla NR, Nicholson AW (December 2012). 1932:Cerritelli SM, Crouch RJ (March 2009). 1846: 4641: 4631: 3902:Orcesi S, La Piana R, Fazzi E (2009). 2621:Champoux JJ, Schultz SJ (March 2009). 1754:when researchers found RNA:DNA hybrid 1370:contains four genes encoding RNase H: 1118: 901: 246: 29: 6916:either deoxy- or ribo-     4321:. Springer New York. pp. 53–75. 2849:Amon JD, Koshland D (December 2016). 2572:Schultz SJ, Champoux JJ (June 2008). 2315:Current Opinion in Structural Biology 7: 6497:Protein serine/threonine phosphatase 5065:Kanaya S, Crouch RJ (January 1983). 4353:Beilhartz GL, Götte M (April 2010). 6598:Cyclic nucleotide phosphodiesterase 6592:Clostridium perfringens alpha toxin 6393:Tartrate-resistant acid phosphatase 5071:The Journal of Biological Chemistry 4905:The Journal of Biological Chemistry 3857:The Journal of Biological Chemistry 2804:The Journal of Biological Chemistry 2035:Figiel M, Nowotny M (August 2014). 6441:Pyruvate dehydrogenase phosphatase 5043:10.1111/j.1432-1033.1975.tb03985.x 4877:10.1111/j.1432-1033.1970.tb00287.x 4044:American Journal of Human Genetics 3046:American Journal of Human Genetics 2155:10.1002/j.1460-2075.1988.tb02805.x 1095:models, RNase H1-null mutants are 855:Ribonuclease H enzymes cleave the 623:and Roman numeral designations in 551:specificity for the RNA strand of 25: 6341:4-hydroxybenzoyl-CoA thioesterase 6045:Control of chromosome duplication 5611:Autonomously replicating sequence 4480:10.2174/0929867321666140120121158 3624:Samara NL, Yang W (August 2019). 1399:In addition, genetic material of 497:, whereas H1 and H2 occur in all 7259: 5030:European Journal of Biochemistry 5024:BĂĽsen W, Hausen P (March 1975). 4864:European Journal of Biochemistry 4590:Nichols NM, Yue D (2001-01-01). 3602:10.1111/j.1365-2958.2007.06032.x 3196:Biochemical Society Transactions 2974:10.1046/j.1365-2443.2000.00373.x 2639:10.1111/j.1742-4658.2009.06909.x 2225:10.1111/j.1742-4658.2009.06907.x 1950:10.1111/j.1742-4658.2009.06908.x 1637:Reverse-transcriptase inhibitors 1456:with other proteins in the cell. 1077:mitochondrial targeting sequence 771:surrounded by a distribution of 643:and many other prokaryotes, the 6659:N-acetylglucosamine-6-sulfatase 6547:Sphingomyelin phosphodiesterase 4993:10.1128/jvi.10.6.1136-1142.1972 4858:Hausen P, Stein H (June 1970). 4136:Seeger C, Mason WS (May 2015). 3810:Cytogenetic and Genome Research 3765:Molecular Biology and Evolution 2350:The Journal of Chemical Physics 1615:drugs used in the treatment of 536:Classification and nomenclature 509:proteins, which are encoded by 6468:Inositol-phosphate phosphatase 6331:Palmitoyl protein thioesterase 4283:10.1016/j.virusres.2008.01.001 4265:CotĂ© ML, Roth MJ (June 2008). 2590:10.1016/j.virusres.2007.12.007 1787:during early studies of viral 1541:as part of their life cycles: 1267:ribonucleotide excision repair 1103:due to defects in replicating 1071:In many eukaryotes, including 540:Ribonuclease H is a family of 501:. Additionally, RNase H1-like 44:Crystallographic structure of 1: 6831:RNA-induced silencing complex 5768:DNA polymerase III holoenzyme 5618:Single-strand binding protein 5279:10.1016/s0014-5793(97)01528-7 5175:10.1016/s0076-6879(01)41166-9 5084:10.1016/S0021-9258(18)33189-2 4918:10.1016/S0021-9258(19)44152-5 3015:10.1016/s1097-2765(03)00088-1 2728:10.1016/s1389-1723(99)80168-6 2327:10.1016/s0959-440x(96)80098-4 1405:human endogenous retroviruses 1176:Available protein structures: 971:Available protein structures: 633:RNase HI is a homolog of the 505:domains occur in multidomain 6935:Serratia marcescens nuclease 6502:Dual-specificity phosphatase 6492:Protein tyrosine phosphatase 4829:10.1126/science.166.3903.393 4600:10.1002/0471142727.mb0313s84 3904:"Aicardi-Goutieres syndrome" 3247:10.1016/j.molcel.2011.10.017 3112:10.1007/978-3-642-21078-5_12 2692:10.1016/j.molcel.2006.03.013 1866:Journal of Molecular Biology 1635:of the active-site cations. 1586:DNA-dependent DNA polymerase 1578:RNA-dependent DNA polymerase 1568:Retroviral RT proteins from 1555:human immunodeficiency virus 1454:protein-protein interactions 1350:and the RuvC subunit in the 1243:protein-protein interactions 594:Holliday junction resolvases 6412:Fructose 1,6-bisphosphatase 4468:Current Medicinal Chemistry 4433:Current Medicinal Chemistry 4327:10.1007/978-1-4614-7291-9_3 4191:10.1007/978-1-62703-670-2_7 4150:10.1016/j.virol.2015.02.031 1245:between the H2 complex and 1079:, leading to expression of 1075:, RNase H1 genes include a 7303: 5864:Prokaryotic DNA polymerase 5565:Minichromosome maintenance 5512:Origin recognition complex 4515:10.1016/j.bbrc.2007.12.014 4445:10.2174/092986710792065045 3948:Nature Reviews. Immunology 3058:10.1016/j.ajhg.2015.05.013 1836:Aicardi–Goutières syndrome 1659:phylogenetic relationships 1517: 1482:(AGS), which manifests as 1480:Aicardi–Goutières syndrome 491:Aicardi–Goutières syndrome 7137:Michaelis–Menten kinetics 6649:Galactosamine-6 sulfatase 6205:6-phosphogluconolactonase 5942:Eukaryotic DNA polymerase 5106:Itaya M (November 1990). 3727:10.1186/s13100-017-0087-y 3642:10.1038/s41594-018-0099-4 2531:Nature Structural Biology 1712:surface plasmon resonance 1520:Retroviral ribonuclease H 1171: 966: 503:retroviral ribonuclease H 367: 250:retroviral ribonuclease H 196: 37: 7029:Diffusion-limited enzyme 6397:Purple acid phosphatases 5361:Medical Subject Headings 5233:10.1073/pnas.95.22.12872 3908:British Medical Bulletin 3562:10.1021/acscatal.1c01493 3387:BMC Evolutionary Biology 1663:horizontal gene transfer 1249:, which localizes H2 to 779:centered on a conserved 647:gene encodes HI and the 5505:Pre-replication complex 5436:Pre-replication complex 5133:10.1073/pnas.87.21.8587 4775:10.1186/1472-6750-11-80 4105:10.1093/emboj/20.6.1449 3870:10.1074/jbc.M110.181974 3408:10.1186/1471-2148-7-128 3304:10.1126/science.1205016 2817:10.1074/jbc.M110.181974 2465:10.1126/science.1116702 2113:10.1126/science.1707186 1611:for the development of 816:TATA box binding domain 775:. All RNases H have an 6822:Microprocessor complex 6461:Beta-propeller phytase 5306:Nucleic Acids Research 5167:Ribonucleases - Part A 4954:10.1038/newbio234240a0 4542:Nucleic Acids Research 3687:10.1006/geno.2000.6488 3146:Nucleic Acids Research 2909:Nucleic Acids Research 2755:Nucleic Acids Research 2263:Nucleic Acids Research 2041:Nucleic Acids Research 1878:10.1006/jmbi.2001.5184 1740:ribonuclease inhibitor 1530: 1464:, a common feature of 1457: 1309: 760: 7122:Eadie–Hofstee diagram 7055:Allosteric regulation 6757:Endodeoxyribonuclease 6654:Iduronate-2-sulfatase 6407:Glucose 6-phosphatase 6193:Butyrylcholinesterase 5928:Replication protein A 5697:Origin of replication 3777:10.1093/molbev/msv008 2412:10.1038/emboj.2008.44 1789:reverse transcription 1724:RNase H-dependent PCR 1708:reverse transcription 1574:murine leukemia virus 1563:reverse transcriptase 1539:reverse transcription 1527: 1466:mitochondrial disease 1434: 1409:reverse transcriptase 1300: 820:reverse transcriptase 714:B. stearothermophilus 670: 586:retroviral integrases 507:reverse transcriptase 429:) is a family of non- 7132:Lineweaver–Burk plot 6940:Micrococcal nuclease 6775:Deoxyribonuclease IV 6770:Deoxyribonuclease II 6703:Exodeoxyribonuclease 6363:Alkaline phosphatase 6188:Acetylcholinesterase 5899:Replication factor C 4007:10.1002/ajmg.a.36887 1706:(cDNA) synthesis by 1602:long terminal repeat 1417:Long terminal repeat 526:mitochondrial genome 6795:UvrABC endonuclease 6765:Deoxyribonuclease I 6488:Protein phosphatase 6424:Protein phosphatase 6222:Bile salt-dependent 6210:PAF acetylhydrolase 5224:1998PNAS...9512872F 5124:1990PNAS...87.8587I 4981:Journal of Virology 4821:1969Sci...166..393S 4674:2015Ana...140.4566L 4144:. 479–480: 672–86. 3399:2007BMCEE...7..128K 3296:2011Sci...332.1561K 3208:10.1042/BST20140079 2868:10.7554/eLife.20533 2543:10.1038/nsb0497-298 2457:2005Sci...309.2057C 2362:2009JChPh.131w5101S 2275:10.1093/nar/gkt1414 2105:1991Sci...252...88D 1779:and in a sample of 1769:" to designate its 1629:mechanism of action 1592:of the RT protein. 7091:Enzyme superfamily 7024:Enzyme promiscuity 6928:Mung bean nuclease 6787:Restriction enzyme 6780:Restriction enzyme 5318:10.1093/nar/gkh209 4682:10.1039/C5AN00679A 4554:10.1093/nar/gkt045 4183:Human Retroviruses 3921:10.1093/bmb/ldn049 3461:10.1111/febs.12035 3158:10.1093/nar/gkn913 2921:10.1093/nar/gkw350 2767:10.1093/nar/gkq980 2053:10.1093/nar/gku615 1688:laboratory reagent 1661:, suggesting that 1580:activity produces 1531: 1458: 1310: 1302:Reaction mechanism 761: 604:proteins, various 7247: 7246: 6956: 6955: 6952: 6951: 6948: 6947: 6737: 6736: 6729:Oligonucleotidase 6674:deoxyribonuclease 6642:Steroid sulfatase 6517:Phosphodiesterase 6246:Hormone-sensitive 6118: 6117: 6075: 6074: 5911:Flap endonuclease 5741: 5740: 5728:Okazaki fragments 5184:978-0-12-182242-2 4762:BMC Biotechnology 4735:10.1021/ja039823p 4609:978-0-471-14272-0 4336:978-1-4614-7290-2 4236:10.1271/bbb.90777 4200:978-1-62703-669-6 3822:10.1159/000084971 3556:(13): 7915–7927. 3510:10.1021/ja411408x 3355:10.1021/bi982207z 3121:978-3-642-21077-8 2508:10.1021/bi982684h 2451:(5743): 2057–60. 2370:10.1063/1.3270167 1832:sequence identity 1735:Pyrococcus abyssi 1728:hyperthermophilic 1704:complementary DNA 1692:molecular biology 1559:hepatitis B virus 1553:examples include 1492:type I interferon 1282:sequence identity 1234: 1233: 1230: 1229: 1225:structure summary 1105:mitochondrial DNA 1046:Okazaki fragments 1029: 1028: 1025: 1024: 1020:structure summary 566:bonds to leave a 416: 415: 412: 411: 331:metabolic pathway 245: 244: 241: 240: 144:metabolic pathway 16:(Redirected from 7294: 7264: 7263: 7255: 7127:Hanes–Woolf plot 7070:Enzyme activator 7065:Enzyme inhibitor 7039:Enzyme catalysis 6983: 6976: 6969: 6960: 6805:Endoribonuclease 6791: 6785: 6753: 6699: 6685: 6385:Acid phosphatase 6266:Monoacylglycerol 6176:ester hydrolases 6145: 6138: 6131: 6122: 5868:DNA polymerase I 5752: 5712:Replication fork 5604:Licensing factor 5420: 5391: 5384: 5377: 5368: 5340: 5339: 5329: 5297: 5291: 5290: 5262: 5256: 5255: 5245: 5235: 5203: 5197: 5196: 5162: 5156: 5155: 5145: 5135: 5103: 5097: 5096: 5086: 5062: 5056: 5055: 5045: 5021: 5015: 5014: 5004: 4972: 4966: 4965: 4937: 4931: 4930: 4920: 4896: 4890: 4889: 4879: 4855: 4849: 4848: 4804: 4798: 4797: 4787: 4777: 4753: 4747: 4746: 4728: 4708: 4702: 4701: 4656: 4650: 4649: 4643: 4639: 4637: 4629: 4587: 4576: 4575: 4565: 4533: 4527: 4526: 4498: 4492: 4491: 4463: 4457: 4456: 4428: 4422: 4421: 4401: 4395: 4394: 4384: 4374: 4372:10.3390/v2040900 4350: 4341: 4340: 4314: 4305: 4304: 4294: 4277:(1–2): 186–202. 4262: 4256: 4255: 4219: 4213: 4212: 4178: 4172: 4171: 4161: 4133: 4127: 4126: 4116: 4093:The EMBO Journal 4084: 4078: 4077: 4067: 4035: 4029: 4028: 4018: 3986: 3980: 3979: 3943: 3934: 3933: 3923: 3899: 3893: 3892: 3882: 3872: 3863:(12): 10540–50. 3848: 3842: 3841: 3816:(1–4): 392–401. 3805: 3799: 3798: 3788: 3756: 3750: 3749: 3739: 3729: 3705: 3699: 3698: 3670: 3664: 3663: 3653: 3621: 3615: 3614: 3604: 3580: 3574: 3573: 3541: 3532: 3531: 3521: 3489: 3483: 3482: 3472: 3455:(24): 4492–500. 3440: 3431: 3430: 3420: 3410: 3378: 3367: 3366: 3337: 3326: 3325: 3315: 3290:(6037): 1561–4. 3275: 3269: 3268: 3258: 3226: 3220: 3219: 3191: 3180: 3179: 3169: 3137: 3126: 3125: 3101: 3091: 3080: 3079: 3069: 3037: 3028: 3027: 3017: 2993: 2987: 2986: 2976: 2952: 2943: 2942: 2932: 2915:(11): 5299–312. 2900: 2891: 2890: 2880: 2870: 2846: 2840: 2839: 2829: 2819: 2810:(12): 10540–50. 2795: 2789: 2788: 2778: 2746: 2740: 2739: 2711: 2705: 2704: 2694: 2670: 2661: 2660: 2650: 2627:The FEBS Journal 2618: 2612: 2611: 2601: 2569: 2563: 2562: 2526: 2520: 2519: 2491: 2485: 2484: 2440: 2434: 2433: 2423: 2400:The EMBO Journal 2391: 2382: 2381: 2345: 2339: 2338: 2306: 2297: 2296: 2286: 2254: 2245: 2244: 2213:The FEBS Journal 2208: 2177: 2176: 2166: 2143:The EMBO Journal 2134: 2125: 2124: 2088: 2075: 2074: 2064: 2032: 2021: 2020: 1983: 1972: 1971: 1961: 1938:The FEBS Journal 1929: 1890: 1889: 1861: 1851: 1716:Okazaki fragment 1698:preparations of 1547:dsDNA-RT viruses 1476:genetic disorder 1421:retrotransposons 1362:In human biology 1340:transition state 1251:replication foci 1173: 1119: 968: 902: 758: 742: 726: 710: 694: 630:Escherichia coli 444:the cleavage of 369: 247: 198: 42: 30: 21: 7302: 7301: 7297: 7296: 7295: 7293: 7292: 7291: 7272: 7271: 7270: 7258: 7250: 7248: 7243: 7155:Oxidoreductases 7141: 7117:Enzyme kinetics 7105: 7101:List of enzymes 7074: 7043: 7014:Catalytic triad 6992: 6987: 6957: 6944: 6911: 6799: 6789: 6783: 6746: 6733: 6721:Exoribonuclease 6715: 6692: 6676: 6672: 6663: 6637:Arylsulfatase L 6632:Arylsulfatase B 6627:Arylsulfatase A 6602: 6515: 6506: 6345: 6313: 6175: 6163: 6149: 6119: 6114: 6071: 6049: 5889: 5885: 5879: 5873:Klenow fragment 5756: 5737: 5721:leading strands 5685: 5495: 5491: 5485: 5424: 5409: 5398:DNA replication 5395: 5348: 5343: 5299: 5298: 5294: 5264: 5263: 5259: 5218:(22): 12872–7. 5205: 5204: 5200: 5185: 5164: 5163: 5159: 5118:(21): 8587–91. 5105: 5104: 5100: 5064: 5063: 5059: 5023: 5022: 5018: 4974: 4973: 4969: 4939: 4938: 4934: 4898: 4897: 4893: 4857: 4856: 4852: 4815:(3903): 393–5. 4806: 4805: 4801: 4755: 4754: 4750: 4726:10.1.1.475.1922 4710: 4709: 4705: 4668:(13): 4566–75. 4658: 4657: 4653: 4640: 4630: 4610: 4589: 4588: 4579: 4535: 4534: 4530: 4500: 4499: 4495: 4474:(17): 1956–67. 4465: 4464: 4460: 4439:(26): 2837–53. 4430: 4429: 4425: 4403: 4402: 4398: 4352: 4351: 4344: 4337: 4316: 4315: 4308: 4264: 4263: 4259: 4221: 4220: 4216: 4201: 4180: 4179: 4175: 4135: 4134: 4130: 4086: 4085: 4081: 4037: 4036: 4032: 3988: 3987: 3983: 3960:10.1038/nri3850 3945: 3944: 3937: 3901: 3900: 3896: 3850: 3849: 3845: 3807: 3806: 3802: 3771:(5): 1197–207. 3758: 3757: 3753: 3707: 3706: 3702: 3672: 3671: 3667: 3623: 3622: 3618: 3582: 3581: 3577: 3543: 3542: 3535: 3491: 3490: 3486: 3442: 3441: 3434: 3380: 3379: 3370: 3339: 3338: 3329: 3277: 3276: 3272: 3228: 3227: 3223: 3193: 3192: 3183: 3139: 3138: 3129: 3122: 3093: 3092: 3083: 3039: 3038: 3031: 2995: 2994: 2990: 2967:(10): 789–802. 2954: 2953: 2946: 2902: 2901: 2894: 2848: 2847: 2843: 2797: 2796: 2792: 2748: 2747: 2743: 2713: 2712: 2708: 2672: 2671: 2664: 2620: 2619: 2615: 2584:(1–2): 86–103. 2571: 2570: 2566: 2528: 2527: 2523: 2493: 2492: 2488: 2442: 2441: 2437: 2393: 2392: 2385: 2347: 2346: 2342: 2308: 2307: 2300: 2256: 2255: 2248: 2210: 2209: 2180: 2136: 2135: 2128: 2099:(5002): 88–95. 2090: 2089: 2078: 2047:(14): 9285–94. 2034: 2033: 2024: 1989:Nature Genetics 1985: 1984: 1975: 1944:(6): 1494–505. 1931: 1930: 1893: 1863: 1853: 1852: 1848: 1844: 1825:when the yeast 1817:homolog of the 1748: 1738:. Of note, the 1684: 1650:domains of life 1646: 1522: 1516: 1429: 1427:Role in disease 1364: 1295: 1117: 1115:Ribonuclease H2 1050:DNA replication 900: 898:Ribonuclease H1 853: 837:protein folding 750: 734: 718: 702: 686: 665: 538: 522:DNA replication 499:domains of life 51: 28: 23: 22: 15: 12: 11: 5: 7300: 7298: 7290: 7289: 7284: 7274: 7273: 7269: 7268: 7245: 7244: 7242: 7241: 7228: 7215: 7202: 7189: 7176: 7163: 7149: 7147: 7143: 7142: 7140: 7139: 7134: 7129: 7124: 7119: 7113: 7111: 7107: 7106: 7104: 7103: 7098: 7093: 7088: 7082: 7080: 7079:Classification 7076: 7075: 7073: 7072: 7067: 7062: 7057: 7051: 7049: 7045: 7044: 7042: 7041: 7036: 7031: 7026: 7021: 7016: 7011: 7006: 7000: 6998: 6994: 6993: 6988: 6986: 6985: 6978: 6971: 6963: 6954: 6953: 6950: 6949: 6946: 6945: 6943: 6942: 6937: 6932: 6931: 6930: 6919: 6917: 6913: 6912: 6910: 6909: 6904: 6903: 6902: 6897: 6892: 6887: 6877: 6872: 6867: 6862: 6861: 6860: 6855: 6850: 6845: 6835: 6834: 6833: 6824: 6809: 6807: 6801: 6800: 6798: 6797: 6792: 6777: 6772: 6767: 6761: 6759: 6750: 6739: 6738: 6735: 6734: 6732: 6731: 6725: 6723: 6717: 6716: 6714: 6713: 6707: 6705: 6696: 6682: 6665: 6664: 6662: 6661: 6656: 6651: 6646: 6645: 6644: 6639: 6634: 6629: 6616: 6614: 6604: 6603: 6601: 6600: 6595: 6585: 6580: 6571: 6566: 6561: 6556: 6555: 6554: 6544: 6543: 6542: 6537: 6527: 6521: 6519: 6508: 6507: 6505: 6504: 6499: 6494: 6485: 6484: 6483: 6465: 6464: 6463: 6453: 6448: 6443: 6438: 6433: 6432: 6431: 6421: 6420: 6419: 6409: 6404: 6399: 6382: 6381: 6380: 6375: 6370: 6359: 6357: 6347: 6346: 6344: 6343: 6338: 6333: 6327: 6325: 6315: 6314: 6312: 6311: 6306: 6300: 6299: 6298: 6297: 6292: 6287: 6276: 6275: 6274: 6273: 6271:Diacylglycerol 6268: 6263: 6258: 6253: 6248: 6243: 6238: 6233: 6224: 6213: 6212: 6207: 6202: 6200:Pectinesterase 6197: 6196: 6195: 6190: 6183:Cholinesterase 6179: 6177: 6165: 6164: 6150: 6148: 6147: 6140: 6133: 6125: 6116: 6115: 6113: 6112: 6111: 6110: 6105: 6100: 6085: 6083: 6077: 6076: 6073: 6072: 6070: 6069: 6064: 6057: 6055: 6051: 6050: 6048: 6047: 6041: 6040: 6039: 6038: 6027: 6026: 6025: 6024: 6019: 6014: 6009: 5999: 5998: 5997: 5992: 5987: 5982: 5972: 5971: 5970: 5965: 5960: 5955: 5945: 5938: 5937: 5936: 5935: 5925: 5920: 5919: 5918: 5908: 5907: 5906: 5895: 5893: 5881: 5880: 5878: 5877: 5876: 5875: 5860: 5859: 5858: 5857: 5847: 5842: 5837: 5832: 5831: 5830: 5825: 5820: 5815: 5810: 5805: 5800: 5795: 5790: 5785: 5780: 5775: 5764: 5762: 5749: 5743: 5742: 5739: 5738: 5736: 5735: 5730: 5725: 5724: 5723: 5708: 5707: 5693: 5691: 5687: 5686: 5684: 5683: 5678: 5668: 5667: 5657: 5656: 5655: 5654: 5649: 5638: 5637: 5636: 5635: 5630: 5625: 5614: 5613: 5607: 5606: 5600: 5599: 5598: 5597: 5592: 5587: 5582: 5577: 5572: 5561: 5560: 5554: 5553: 5547: 5546: 5545: 5544: 5539: 5534: 5529: 5524: 5519: 5508: 5507: 5501: 5499: 5494:preparation in 5487: 5486: 5484: 5483: 5482: 5481: 5470: 5469: 5468: 5467: 5462: 5457: 5446: 5445: 5439: 5438: 5432: 5430: 5417: 5411: 5410: 5396: 5394: 5393: 5386: 5379: 5371: 5365: 5364: 5354: 5347: 5346:External links 5344: 5342: 5341: 5292: 5257: 5198: 5183: 5157: 5098: 5077:(2): 1276–81. 5057: 5016: 4987:(6): 1136–42. 4967: 4932: 4891: 4850: 4799: 4748: 4719:(13): 4086–7. 4703: 4651: 4642:|journal= 4608: 4577: 4548:(5): 2832–45. 4528: 4493: 4458: 4423: 4396: 4342: 4335: 4306: 4271:Virus Research 4257: 4214: 4199: 4173: 4128: 4099:(6): 1449–61. 4079: 4056:10.1086/521373 4030: 4001:(2): 296–312. 3981: 3935: 3894: 3843: 3800: 3751: 3700: 3665: 3636:(8): 715–721. 3616: 3575: 3533: 3504:(8): 3137–44. 3484: 3432: 3368: 3327: 3270: 3235:Molecular Cell 3221: 3181: 3127: 3120: 3081: 3029: 3002:Molecular Cell 2988: 2961:Genes to Cells 2944: 2892: 2841: 2790: 2761:(9): 3652–66. 2741: 2706: 2679:Molecular Cell 2662: 2633:(6): 1506–16. 2613: 2578:Virus Research 2564: 2537:(4): 298–304. 2521: 2502:(12): 3831–6. 2486: 2435: 2406:(7): 1172–81. 2383: 2356:(23): 235101. 2340: 2298: 2269:(7): 4160–79. 2246: 2219:(6): 1482–93. 2178: 2126: 2076: 2022: 2001:10.1038/ng1842 1973: 1891: 1845: 1843: 1840: 1823:bioinformatics 1747: 1744: 1683: 1680: 1645: 1642: 1613:antiretroviral 1533:Two groups of 1515: 1512: 1488:dermatological 1428: 1425: 1397: 1396: 1390: 1384: 1378: 1363: 1360: 1308:RNase H domain 1294: 1291: 1232: 1231: 1228: 1227: 1222: 1216: 1215: 1202: 1196: 1195: 1185: 1178: 1177: 1169: 1168: 1163: 1157: 1156: 1151: 1144: 1143: 1138: 1132: 1131: 1128: 1124: 1123: 1116: 1113: 1093:knockout mouse 1033:ribonucleotide 1027: 1026: 1023: 1022: 1017: 1011: 1010: 997: 991: 990: 980: 973: 972: 964: 963: 958: 952: 951: 946: 940: 939: 934: 927: 926: 921: 915: 914: 911: 907: 906: 899: 896: 857:phosphodiester 852: 849: 781:sequence motif 664: 661: 564:phosphodiester 547:with a shared 537: 534: 419:Ribonuclease H 414: 413: 410: 409: 404: 398: 397: 392: 386: 385: 380: 374: 373: 365: 364: 353: 346: 345: 340: 334: 333: 328: 322: 321: 316: 310: 309: 304: 298: 297: 292: 286: 285: 280: 274: 273: 269: 268: 263: 257: 256: 252: 251: 243: 242: 239: 238: 233: 227: 226: 221: 215: 214: 209: 203: 202: 194: 193: 184: 178: 177: 166: 159: 158: 153: 147: 146: 141: 135: 134: 129: 123: 122: 117: 111: 110: 105: 99: 98: 93: 87: 86: 82: 81: 76: 70: 69: 64: 58: 57: 53: 52: 43: 35: 34: 33:ribonuclease H 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 7299: 7288: 7285: 7283: 7282:Ribonucleases 7280: 7279: 7277: 7267: 7262: 7257: 7253: 7239: 7235: 7234: 7229: 7226: 7222: 7221: 7216: 7213: 7209: 7208: 7203: 7200: 7196: 7195: 7190: 7187: 7183: 7182: 7177: 7174: 7170: 7169: 7164: 7161: 7157: 7156: 7151: 7150: 7148: 7144: 7138: 7135: 7133: 7130: 7128: 7125: 7123: 7120: 7118: 7115: 7114: 7112: 7108: 7102: 7099: 7097: 7096:Enzyme family 7094: 7092: 7089: 7087: 7084: 7083: 7081: 7077: 7071: 7068: 7066: 7063: 7061: 7060:Cooperativity 7058: 7056: 7053: 7052: 7050: 7046: 7040: 7037: 7035: 7032: 7030: 7027: 7025: 7022: 7020: 7019:Oxyanion hole 7017: 7015: 7012: 7010: 7007: 7005: 7002: 7001: 6999: 6995: 6991: 6984: 6979: 6977: 6972: 6970: 6965: 6964: 6961: 6941: 6938: 6936: 6933: 6929: 6926: 6925: 6924: 6921: 6920: 6918: 6914: 6908: 6905: 6901: 6898: 6896: 6893: 6891: 6888: 6886: 6883: 6882: 6881: 6878: 6876: 6873: 6871: 6868: 6866: 6863: 6859: 6856: 6854: 6851: 6849: 6846: 6844: 6841: 6840: 6839: 6836: 6832: 6828: 6825: 6823: 6819: 6816: 6815: 6814: 6811: 6810: 6808: 6806: 6802: 6796: 6793: 6788: 6781: 6778: 6776: 6773: 6771: 6768: 6766: 6763: 6762: 6760: 6758: 6754: 6751: 6749: 6744: 6740: 6730: 6727: 6726: 6724: 6722: 6718: 6712: 6709: 6708: 6706: 6704: 6700: 6697: 6695: 6690: 6686: 6683: 6680: 6675: 6670: 6666: 6660: 6657: 6655: 6652: 6650: 6647: 6643: 6640: 6638: 6635: 6633: 6630: 6628: 6625: 6624: 6623: 6622: 6621:arylsulfatase 6618: 6617: 6615: 6613: 6609: 6605: 6599: 6596: 6593: 6589: 6586: 6584: 6581: 6579: 6575: 6572: 6570: 6567: 6565: 6562: 6560: 6557: 6553: 6550: 6549: 6548: 6545: 6541: 6538: 6536: 6533: 6532: 6531: 6530:Phospholipase 6528: 6526: 6523: 6522: 6520: 6518: 6513: 6509: 6503: 6500: 6498: 6495: 6493: 6489: 6486: 6482: 6478: 6474: 6471: 6470: 6469: 6466: 6462: 6459: 6458: 6457: 6454: 6452: 6449: 6447: 6444: 6442: 6439: 6437: 6434: 6430: 6427: 6426: 6425: 6422: 6418: 6415: 6414: 6413: 6410: 6408: 6405: 6403: 6400: 6398: 6394: 6390: 6386: 6383: 6379: 6376: 6374: 6371: 6369: 6366: 6365: 6364: 6361: 6360: 6358: 6356: 6352: 6348: 6342: 6339: 6337: 6334: 6332: 6329: 6328: 6326: 6324: 6320: 6316: 6310: 6307: 6305: 6302: 6301: 6296: 6293: 6291: 6288: 6286: 6283: 6282: 6281: 6280:Phospholipase 6278: 6277: 6272: 6269: 6267: 6264: 6262: 6259: 6257: 6254: 6252: 6249: 6247: 6244: 6242: 6239: 6237: 6234: 6232: 6228: 6225: 6223: 6220: 6219: 6218: 6215: 6214: 6211: 6208: 6206: 6203: 6201: 6198: 6194: 6191: 6189: 6186: 6185: 6184: 6181: 6180: 6178: 6174: 6170: 6166: 6161: 6157: 6153: 6146: 6141: 6139: 6134: 6132: 6127: 6126: 6123: 6109: 6106: 6104: 6101: 6099: 6096: 6095: 6094: 6090: 6087: 6086: 6084: 6082: 6078: 6068: 6065: 6063: 6059: 6058: 6056: 6052: 6046: 6043: 6042: 6037: 6034: 6033: 6032: 6029: 6028: 6023: 6020: 6018: 6015: 6013: 6010: 6008: 6005: 6004: 6003: 6000: 5996: 5993: 5991: 5988: 5986: 5983: 5981: 5978: 5977: 5976: 5973: 5969: 5966: 5964: 5961: 5959: 5956: 5954: 5951: 5950: 5949: 5946: 5943: 5940: 5939: 5934: 5931: 5930: 5929: 5926: 5924: 5923:Topoisomerase 5921: 5917: 5914: 5913: 5912: 5909: 5905: 5902: 5901: 5900: 5897: 5896: 5894: 5891: 5882: 5874: 5871: 5870: 5869: 5865: 5862: 5861: 5856: 5853: 5852: 5851: 5850:Topoisomerase 5848: 5846: 5843: 5841: 5838: 5836: 5833: 5829: 5826: 5824: 5821: 5819: 5816: 5814: 5811: 5809: 5806: 5804: 5801: 5799: 5796: 5794: 5791: 5789: 5786: 5784: 5781: 5779: 5776: 5774: 5771: 5770: 5769: 5766: 5765: 5763: 5760: 5753: 5750: 5748: 5744: 5734: 5731: 5729: 5726: 5722: 5718: 5715: 5714: 5713: 5710: 5709: 5706: 5702: 5698: 5695: 5694: 5692: 5688: 5682: 5679: 5677: 5673: 5670: 5669: 5666: 5662: 5659: 5658: 5653: 5650: 5648: 5645: 5644: 5643: 5640: 5639: 5634: 5631: 5629: 5626: 5624: 5621: 5620: 5619: 5616: 5615: 5612: 5609: 5608: 5605: 5602: 5601: 5596: 5593: 5591: 5588: 5586: 5583: 5581: 5578: 5576: 5573: 5571: 5568: 5567: 5566: 5563: 5562: 5559: 5556: 5555: 5552: 5549: 5548: 5543: 5540: 5538: 5535: 5533: 5530: 5528: 5525: 5523: 5520: 5518: 5515: 5514: 5513: 5510: 5509: 5506: 5503: 5502: 5500: 5497: 5488: 5480: 5477: 5476: 5475: 5472: 5471: 5466: 5463: 5461: 5458: 5456: 5453: 5452: 5451: 5448: 5447: 5444: 5441: 5440: 5437: 5434: 5433: 5431: 5428: 5421: 5418: 5416: 5412: 5407: 5403: 5399: 5392: 5387: 5385: 5380: 5378: 5373: 5372: 5369: 5362: 5358: 5355: 5353: 5350: 5349: 5345: 5337: 5333: 5328: 5323: 5319: 5315: 5312:(2): 407–14. 5311: 5307: 5303: 5296: 5293: 5288: 5284: 5280: 5276: 5272: 5268: 5261: 5258: 5253: 5249: 5244: 5239: 5234: 5229: 5225: 5221: 5217: 5213: 5209: 5202: 5199: 5194: 5190: 5186: 5180: 5176: 5172: 5168: 5161: 5158: 5153: 5149: 5144: 5139: 5134: 5129: 5125: 5121: 5117: 5113: 5109: 5102: 5099: 5094: 5090: 5085: 5080: 5076: 5072: 5068: 5061: 5058: 5053: 5049: 5044: 5039: 5036:(1): 179–90. 5035: 5031: 5027: 5020: 5017: 5012: 5008: 5003: 4998: 4994: 4990: 4986: 4982: 4978: 4971: 4968: 4963: 4959: 4955: 4951: 4948:(51): 240–3. 4947: 4943: 4936: 4933: 4928: 4924: 4919: 4914: 4911:(7): 2621–4. 4910: 4906: 4902: 4895: 4892: 4887: 4883: 4878: 4873: 4870:(2): 278–83. 4869: 4865: 4861: 4854: 4851: 4846: 4842: 4838: 4834: 4830: 4826: 4822: 4818: 4814: 4810: 4803: 4800: 4795: 4791: 4786: 4781: 4776: 4771: 4767: 4763: 4759: 4752: 4749: 4744: 4740: 4736: 4732: 4727: 4722: 4718: 4714: 4707: 4704: 4699: 4695: 4691: 4687: 4683: 4679: 4675: 4671: 4667: 4663: 4655: 4652: 4647: 4635: 4627: 4623: 4619: 4615: 4611: 4605: 4601: 4597: 4593: 4592:Ribonucleases 4586: 4584: 4582: 4578: 4573: 4569: 4564: 4559: 4555: 4551: 4547: 4543: 4539: 4532: 4529: 4524: 4520: 4516: 4512: 4509:(3): 607–11. 4508: 4504: 4497: 4494: 4489: 4485: 4481: 4477: 4473: 4469: 4462: 4459: 4454: 4450: 4446: 4442: 4438: 4434: 4427: 4424: 4419: 4415: 4412:(4): 183–94. 4411: 4407: 4400: 4397: 4392: 4388: 4383: 4378: 4373: 4368: 4365:(4): 900–26. 4364: 4360: 4356: 4349: 4347: 4343: 4338: 4332: 4328: 4324: 4320: 4313: 4311: 4307: 4302: 4298: 4293: 4288: 4284: 4280: 4276: 4272: 4268: 4261: 4258: 4253: 4249: 4245: 4241: 4237: 4233: 4229: 4225: 4218: 4215: 4210: 4206: 4202: 4196: 4192: 4188: 4184: 4177: 4174: 4169: 4165: 4160: 4155: 4151: 4147: 4143: 4139: 4132: 4129: 4124: 4120: 4115: 4110: 4106: 4102: 4098: 4094: 4090: 4083: 4080: 4075: 4071: 4066: 4061: 4057: 4053: 4050:(4): 713–25. 4049: 4045: 4041: 4034: 4031: 4026: 4022: 4017: 4012: 4008: 4004: 4000: 3996: 3992: 3985: 3982: 3977: 3973: 3969: 3965: 3961: 3957: 3954:(7): 429–40. 3953: 3949: 3942: 3940: 3936: 3931: 3927: 3922: 3917: 3913: 3909: 3905: 3898: 3895: 3890: 3886: 3881: 3876: 3871: 3866: 3862: 3858: 3854: 3847: 3844: 3839: 3835: 3831: 3827: 3823: 3819: 3815: 3811: 3804: 3801: 3796: 3792: 3787: 3782: 3778: 3774: 3770: 3766: 3762: 3755: 3752: 3747: 3743: 3738: 3733: 3728: 3723: 3719: 3715: 3711: 3704: 3701: 3696: 3692: 3688: 3684: 3681:(3): 314–20. 3680: 3676: 3669: 3666: 3661: 3657: 3652: 3647: 3643: 3639: 3635: 3631: 3627: 3620: 3617: 3612: 3608: 3603: 3598: 3595:(1): 143–54. 3594: 3590: 3589:Mol Microbiol 3586: 3579: 3576: 3571: 3567: 3563: 3559: 3555: 3551: 3550:ACS Catalysis 3547: 3540: 3538: 3534: 3529: 3525: 3520: 3515: 3511: 3507: 3503: 3499: 3495: 3488: 3485: 3480: 3476: 3471: 3466: 3462: 3458: 3454: 3450: 3446: 3439: 3437: 3433: 3428: 3424: 3419: 3414: 3409: 3404: 3400: 3396: 3392: 3388: 3384: 3377: 3375: 3373: 3369: 3364: 3360: 3356: 3352: 3349:(2): 605–18. 3348: 3344: 3336: 3334: 3332: 3328: 3323: 3319: 3314: 3309: 3305: 3301: 3297: 3293: 3289: 3285: 3281: 3274: 3271: 3266: 3262: 3257: 3252: 3248: 3244: 3241:(6): 978–88. 3240: 3236: 3232: 3225: 3222: 3217: 3213: 3209: 3205: 3202:(4): 717–25. 3201: 3197: 3190: 3188: 3186: 3182: 3177: 3173: 3168: 3163: 3159: 3155: 3152:(1): 96–110. 3151: 3147: 3143: 3136: 3134: 3132: 3128: 3123: 3117: 3113: 3109: 3105: 3100: 3099: 3098:Ribonucleases 3090: 3088: 3086: 3082: 3077: 3073: 3068: 3063: 3059: 3055: 3052:(1): 186–93. 3051: 3047: 3043: 3036: 3034: 3030: 3025: 3021: 3016: 3011: 3008:(3): 807–15. 3007: 3003: 2999: 2992: 2989: 2984: 2980: 2975: 2970: 2966: 2962: 2958: 2951: 2949: 2945: 2940: 2936: 2931: 2926: 2922: 2918: 2914: 2910: 2906: 2899: 2897: 2893: 2888: 2884: 2879: 2874: 2869: 2864: 2860: 2856: 2852: 2845: 2842: 2837: 2833: 2828: 2823: 2818: 2813: 2809: 2805: 2801: 2794: 2791: 2786: 2782: 2777: 2772: 2768: 2764: 2760: 2756: 2752: 2745: 2742: 2737: 2733: 2729: 2725: 2721: 2717: 2710: 2707: 2702: 2698: 2693: 2688: 2684: 2680: 2676: 2669: 2667: 2663: 2658: 2654: 2649: 2644: 2640: 2636: 2632: 2628: 2624: 2617: 2614: 2609: 2605: 2600: 2595: 2591: 2587: 2583: 2579: 2575: 2568: 2565: 2560: 2556: 2552: 2548: 2544: 2540: 2536: 2532: 2525: 2522: 2517: 2513: 2509: 2505: 2501: 2497: 2490: 2487: 2482: 2478: 2474: 2470: 2466: 2462: 2458: 2454: 2450: 2446: 2439: 2436: 2431: 2427: 2422: 2417: 2413: 2409: 2405: 2401: 2397: 2390: 2388: 2384: 2379: 2375: 2371: 2367: 2363: 2359: 2355: 2351: 2344: 2341: 2336: 2332: 2328: 2324: 2320: 2316: 2312: 2305: 2303: 2299: 2294: 2290: 2285: 2280: 2276: 2272: 2268: 2264: 2260: 2253: 2251: 2247: 2242: 2238: 2234: 2230: 2226: 2222: 2218: 2214: 2207: 2205: 2203: 2201: 2199: 2197: 2195: 2193: 2191: 2189: 2187: 2185: 2183: 2179: 2174: 2170: 2165: 2160: 2156: 2152: 2149:(1): 239–43. 2148: 2144: 2140: 2133: 2131: 2127: 2122: 2118: 2114: 2110: 2106: 2102: 2098: 2094: 2087: 2085: 2083: 2081: 2077: 2072: 2068: 2063: 2058: 2054: 2050: 2046: 2042: 2038: 2031: 2029: 2027: 2023: 2018: 2014: 2010: 2006: 2002: 1998: 1994: 1990: 1982: 1980: 1978: 1974: 1969: 1965: 1960: 1955: 1951: 1947: 1943: 1939: 1935: 1928: 1926: 1924: 1922: 1920: 1918: 1916: 1914: 1912: 1910: 1908: 1906: 1904: 1902: 1900: 1898: 1896: 1892: 1887: 1883: 1879: 1875: 1872:(4): 863–71. 1871: 1867: 1860: 1856: 1850: 1847: 1841: 1839: 1837: 1833: 1828: 1824: 1820: 1816: 1815: 1814:S. cerevisiae 1810: 1806: 1801: 1798: 1794: 1790: 1786: 1782: 1778: 1777: 1772: 1768: 1764: 1761: 1757: 1753: 1745: 1743: 1741: 1737: 1736: 1732: 1729: 1725: 1721: 1720:hot start PCR 1717: 1713: 1709: 1705: 1701: 1697: 1693: 1689: 1681: 1679: 1675: 1673: 1669: 1664: 1660: 1655: 1651: 1643: 1641: 1638: 1634: 1630: 1626: 1622: 1618: 1614: 1610: 1605: 1603: 1598: 1593: 1591: 1587: 1583: 1579: 1575: 1571: 1566: 1564: 1560: 1556: 1552: 1548: 1544: 1540: 1536: 1526: 1521: 1513: 1511: 1509: 1505: 1501: 1497: 1493: 1489: 1485: 1481: 1477: 1474: 1469: 1467: 1463: 1455: 1451: 1447: 1443: 1439: 1433: 1426: 1424: 1422: 1418: 1414: 1410: 1406: 1402: 1394: 1391: 1388: 1385: 1382: 1379: 1376: 1373: 1372: 1371: 1369: 1361: 1359: 1355: 1353: 1349: 1345: 1341: 1336: 1334: 1330: 1326: 1321: 1319: 1315: 1307: 1303: 1299: 1292: 1290: 1288: 1283: 1278: 1276: 1272: 1268: 1264: 1260: 1254: 1252: 1248: 1244: 1240: 1226: 1223: 1221: 1217: 1214: 1210: 1206: 1203: 1201: 1197: 1193: 1189: 1186: 1183: 1179: 1174: 1170: 1167: 1164: 1162: 1158: 1155: 1152: 1149: 1145: 1142: 1139: 1137: 1133: 1129: 1125: 1120: 1114: 1112: 1110: 1106: 1102: 1101:embryogenesis 1098: 1094: 1090: 1086: 1082: 1078: 1074: 1069: 1067: 1066: 1065:S. cerevisiae 1061: 1057: 1056: 1051: 1047: 1043: 1038: 1034: 1021: 1018: 1016: 1012: 1009: 1005: 1001: 998: 996: 992: 988: 984: 981: 978: 974: 969: 965: 962: 959: 957: 953: 950: 947: 945: 941: 938: 935: 932: 928: 925: 922: 920: 916: 912: 908: 903: 897: 895: 893: 889: 885: 881: 876: 873: 869: 866: 862: 858: 850: 848: 846: 842: 838: 834: 833:model systems 830: 829: 823: 821: 817: 813: 812:heterotrimers 809: 805: 801: 796: 794: 790: 786: 782: 778: 774: 770: 766: 757: 753: 748: 747: 741: 737: 732: 731: 725: 721: 716: 715: 709: 705: 700: 699: 693: 689: 684: 683: 678: 674: 669: 662: 660: 658: 654: 650: 646: 642: 639:RNase H1. In 638: 637: 632: 631: 626: 622: 617: 615: 611: 607: 603: 599: 595: 591: 587: 583: 579: 576: 572: 569: 565: 561: 558: 554: 550: 546: 543: 535: 533: 531: 527: 523: 518: 516: 512: 508: 504: 500: 496: 492: 488: 484: 480: 475: 473: 469: 465: 461: 458: 454: 451: 447: 443: 439: 436: 432: 428: 424: 421:(abbreviated 420: 408: 405: 403: 399: 396: 393: 391: 387: 384: 381: 379: 375: 370: 366: 363: 360: 357: 354: 351: 347: 344: 341: 339: 335: 332: 329: 327: 323: 320: 317: 315: 311: 308: 307:NiceZyme view 305: 303: 299: 296: 293: 291: 287: 284: 281: 279: 275: 270: 267: 264: 262: 258: 253: 248: 237: 234: 232: 228: 225: 222: 220: 216: 213: 210: 208: 204: 199: 195: 192: 188: 185: 183: 182:Gene Ontology 179: 176: 173: 170: 167: 164: 160: 157: 154: 152: 148: 145: 142: 140: 136: 133: 130: 128: 124: 121: 120:NiceZyme view 118: 116: 112: 109: 106: 104: 100: 97: 94: 92: 88: 83: 80: 77: 75: 71: 68: 65: 63: 59: 54: 49: 48: 41: 36: 31: 27:Enzyme family 19: 7233:Translocases 7230: 7217: 7204: 7191: 7178: 7168:Transferases 7165: 7152: 7009:Binding site 6790:}} 6784:{{ 6748:Endonuclease 6679:ribonuclease 6619: 6402:Nucleotidase 6323:Thioesterase 6062:Processivity 5888:synthesis in 5309: 5305: 5295: 5270: 5267:FEBS Letters 5266: 5260: 5215: 5211: 5201: 5166: 5160: 5115: 5111: 5101: 5074: 5070: 5060: 5033: 5029: 5019: 4984: 4980: 4970: 4945: 4941: 4935: 4908: 4904: 4894: 4867: 4863: 4853: 4812: 4808: 4802: 4765: 4761: 4751: 4716: 4712: 4706: 4665: 4661: 4654: 4591: 4545: 4541: 4531: 4506: 4502: 4496: 4471: 4467: 4461: 4436: 4432: 4426: 4409: 4406:AIDS Reviews 4405: 4399: 4362: 4358: 4318: 4274: 4270: 4260: 4230:(2): 440–2. 4227: 4223: 4217: 4182: 4176: 4141: 4131: 4096: 4092: 4082: 4047: 4043: 4033: 3998: 3994: 3984: 3951: 3947: 3911: 3907: 3897: 3860: 3856: 3846: 3813: 3809: 3803: 3768: 3764: 3754: 3717: 3713: 3703: 3678: 3674: 3668: 3633: 3629: 3619: 3592: 3588: 3578: 3553: 3549: 3501: 3497: 3487: 3452: 3449:FEBS Journal 3448: 3390: 3386: 3346: 3343:Biochemistry 3342: 3287: 3283: 3273: 3238: 3234: 3224: 3199: 3195: 3149: 3145: 3097: 3049: 3045: 3005: 3001: 2991: 2964: 2960: 2912: 2908: 2858: 2854: 2844: 2807: 2803: 2793: 2758: 2754: 2744: 2719: 2715: 2709: 2682: 2678: 2630: 2626: 2616: 2581: 2577: 2567: 2534: 2530: 2524: 2499: 2496:Biochemistry 2495: 2489: 2448: 2444: 2438: 2403: 2399: 2353: 2349: 2343: 2321:(1): 76–83. 2318: 2314: 2266: 2262: 2216: 2212: 2146: 2142: 2096: 2092: 2044: 2040: 1995:(8): 910–6. 1992: 1988: 1941: 1937: 1869: 1865: 1849: 1818: 1812: 1808: 1805:purification 1802: 1796: 1792: 1774: 1770: 1766: 1758:activity in 1756:endonuclease 1752:Peter Hausen 1749: 1733: 1699: 1685: 1682:Applications 1676: 1647: 1606: 1594: 1582:minus-strand 1567: 1543:retroviruses 1532: 1484:neurological 1470: 1459: 1449: 1398: 1368:human genome 1365: 1356: 1337: 1322: 1311: 1279: 1275:cell nucleus 1259:processivity 1255: 1235: 1111:processing. 1085:mitochondria 1070: 1063: 1053: 1035:-containing 1030: 854: 844: 831:homolog, as 826: 824: 808:processivity 797: 783:composed of 762: 744: 728: 712: 696: 680: 676: 672: 648: 644: 640: 636:Homo sapiens 634: 628: 618: 610:spliceosomal 606:exonucleases 590:transposases 542:endonuclease 539: 532:structures. 519: 511:retroviruses 487:rare disease 483:human genome 476: 435:endonuclease 426: 422: 418: 417: 295:BRENDA entry 108:BRENDA entry 45: 7004:Active site 6923:Nuclease S1 6694:Exonuclease 6588:Lecithinase 6417:Calcineurin 6355:Phosphatase 6261:Lipoprotein 6251:Endothelial 6081:Termination 5755:Prokaryotic 5747:Replication 5423:Prokaryotic 5402:prokaryotic 5400:(comparing 5273:(1): 23–6. 4662:The Analyst 3914:: 183–201. 2722:(1): 12–9. 2685:(1): 5–13. 1785:RNA genomes 1781:oncoviruses 1722:, known as 1609:drug target 1438:active site 1314:active site 1122:Identifiers 1058:, RNase H1 1042:RNA primers 905:Identifiers 777:active site 698:T. maritima 627:. Thus the 625:prokaryotes 495:prokaryotes 283:IntEnz view 255:Identifiers 96:IntEnz view 56:Identifiers 7276:Categories 7207:Isomerases 7181:Hydrolases 7048:Regulation 6236:Pancreatic 6173:Carboxylic 6093:Telomerase 6067:DNA ligase 6060:Movement: 5884:Eukaryotic 5855:DNA gyrase 5840:DNA ligase 5759:elongation 5490:Eukaryotic 5427:initiation 5415:Initiation 5406:eukaryotic 3714:Mobile DNA 3393:(1): 128. 2861:: e20533. 1842:References 1625:chemotypes 1621:Inhibitors 1590:C-terminus 1551:Pathogenic 1518:See also: 1514:In viruses 1401:retroviral 1327:ions, but 1188:structures 1037:base pairs 983:structures 804:N-terminus 746:H. sapiens 730:H. sapiens 677:H. sapiens 621:eukaryotes 608:, and the 472:eukaryotes 457:hydrolytic 448:in an RNA/ 433:-specific 352:structures 319:KEGG entry 165:structures 132:KEGG entry 79:9050-76-4 7287:EC 3.1.26 7086:EC number 6813:RNase III 6671:(includes 6612:Sulfatase 6525:Autotaxin 6389:Prostatic 6241:Lysosomal 6156:esterases 6152:Hydrolase 6031:DNA clamp 5845:DNA clamp 5835:Replisome 4721:CiteSeerX 4644:ignored ( 4634:cite book 4626:221604377 3570:236285134 1862:​; 1644:Evolution 1633:chelation 1631:based on 1478:known as 1446:threonine 1329:manganese 1325:magnesium 1318:histidine 1293:Mechanism 1166:IPR024567 1130:RNase HII 1060:knockouts 949:IPR002156 884:essential 880:substrate 875:phosphate 859:bonds of 835:to study 793:magnesium 789:glutamate 785:aspartate 773:α-helices 765:structure 743:​; 727:​; 711:​; 695:​; 663:Structure 602:Argonaute 582:nucleases 578:phosphate 549:substrate 489:known as 479:substrate 460:mechanism 453:substrate 272:Databases 266:3.1.26.13 85:Databases 50:RNase HI. 7110:Kinetics 7034:Cofactor 6997:Activity 6907:RNase T1 6669:Nuclease 6304:Cutinase 6089:Telomere 5705:Replicon 5661:Helicase 5652:RNASEH2A 5496:G1 phase 5450:Helicase 5336:14734815 5193:11582793 4845:43683241 4794:21831278 4743:15053580 4698:28974459 4690:26000345 4618:18972385 4572:23376926 4523:18073136 4488:24438523 4453:20858167 4418:12555693 4391:21994660 4301:18294720 4252:28110533 4244:20139597 4209:24158815 4168:25759099 4142:Virology 4123:11250910 4074:17846997 4025:25604658 3976:34259643 3968:26052098 3930:19129251 3889:21177858 3830:16093691 3795:25605791 3746:28293305 3720:(1): 4. 3695:11401447 3675:Genomics 3660:30076410 3611:18047582 3528:24499076 3479:23078533 3427:17663799 3322:21700875 3265:22195970 3216:25109948 3176:19015152 3076:26094573 3024:12667461 2983:11029655 2939:27131367 2887:27938663 2836:21177858 2785:21245041 2736:16232566 2701:16600865 2657:19228195 2608:18261820 2559:33673059 2516:10090773 2481:43823877 2473:16179479 2430:18337749 2378:20025349 2293:24464998 2241:29008571 2233:19228197 2071:25016521 2009:16845400 1968:19228196 1886:11734003 1731:archaeon 1696:Purified 1668:bacteria 1654:nuclease 1617:HIV/AIDS 1450:in vitro 1393:RNASEH2C 1387:RNASEH2B 1381:RNASEH2A 1239:sequence 1205:RCSB PDB 1161:InterPro 1087:and the 1081:isoforms 1000:RCSB PDB 944:InterPro 868:hydroxyl 851:Function 759:​. 653:bacteria 612:protein 571:hydroxyl 560:duplexes 513:such as 464:bacteria 442:catalyze 431:sequence 407:proteins 395:articles 383:articles 356:RCSB PDB 236:proteins 224:articles 212:articles 169:RCSB PDB 67:3.1.26.4 7266:Biology 7220:Ligases 6990:Enzymes 6880:RNase E 6875:RNase Z 6870:RNase A 6865:RNase P 6838:RNase H 6456:Phytase 6256:Hepatic 6231:Lingual 6227:Gastric 6002:epsilon 5890:S phase 5717:Lagging 5672:Primase 5647:RNASEH1 5642:RNase H 5474:Primase 5357:RNase+H 5287:9462832 5252:9789007 5220:Bibcode 5152:2172991 5120:Bibcode 5093:6296074 5011:4118867 4962:4331605 4927:4572736 4886:5506170 4837:5812039 4817:Bibcode 4809:Science 4785:3224242 4670:Bibcode 4563:3597702 4382:3185654 4359:Viruses 4292:2443788 4159:4424072 4065:2227922 4016:4382202 3880:3060507 3838:7481781 3786:4408406 3737:5348765 3651:6110950 3519:3985467 3470:3515698 3418:1950709 3395:Bibcode 3363:9888800 3313:3380281 3292:Bibcode 3284:Science 3256:3271842 3167:2615623 3067:4572567 2930:4914116 2878:5215079 2827:3060507 2776:3089482 2648:2742777 2599:2464458 2551:9095198 2453:Bibcode 2445:Science 2421:2323259 2358:Bibcode 2335:8696976 2284:3985635 2173:2452083 2121:1707186 2101:Bibcode 2093:Science 2062:4132731 2017:8076225 1959:2746905 1819:E. coli 1809:E. coli 1797:E. coli 1793:E. coli 1776:E. coli 1746:History 1700:E. coli 1672:archaea 1535:viruses 1442:alanine 1375:RNASEH1 1348:RNase T 1333:calcium 1287:archaea 1141:PF01351 1099:during 1089:nucleus 1073:mammals 1055:E. coli 1048:during 961:PS50879 956:PROSITE 924:PF00075 913:RNase H 892:R-loops 845:E. coli 828:E. coli 769:β-sheet 682:E. coli 673:E. coli 657:archaea 641:E. coli 545:enzymes 524:of the 468:archaea 438:enzymes 423:RNase H 343:profile 326:MetaCyc 191:QuickGO 156:profile 139:MetaCyc 74:CAS no. 47:E. coli 18:RNase H 7252:Portal 7194:Lyases 6818:Drosha 6743:3.1.21 6711:RecBCD 6689:3.1.11 6309:PETase 6217:Lipase 5733:Primer 5363:(MeSH) 5334:  5327:373335 5324:  5285:  5250:  5240:  5191:  5181:  5150:  5140:  5091:  5050:  5009:  5002:356594 4999:  4960:  4942:Nature 4925:  4884:  4843:  4835:  4792:  4782:  4768:: 80. 4741:  4723:  4696:  4688:  4624:  4616:  4606:  4570:  4560:  4521:  4486:  4451:  4416:  4389:  4379:  4333:  4299:  4289:  4250:  4242:  4207:  4197:  4166:  4156:  4121:  4114:145536 4111:  4072:  4062:  4023:  4013:  3974:  3966:  3928:  3887:  3877:  3836:  3828:  3793:  3783:  3744:  3734:  3693:  3658:  3648:  3609:  3568:  3526:  3516:  3477:  3467:  3425:  3415:  3361:  3320:  3310:  3263:  3253:  3214:  3174:  3164:  3118:  3106:–317. 3074:  3064:  3022:  2981:  2937:  2927:  2885:  2875:  2834:  2824:  2783:  2773:  2734:  2699:  2655:  2645:  2606:  2596:  2557:  2549:  2514:  2479:  2471:  2428:  2418:  2376:  2333:  2291:  2281:  2239:  2231:  2171:  2164:454263 2161:  2119:  2069:  2059:  2015:  2007:  1966:  1956:  1884:  1827:genome 1771:hybrid 1763:thymus 1506:, and 1500:SAMHD1 1271:R-loop 1220:PDBsum 1194:  1184:  1154:CL0219 1127:Symbol 1109:R-loop 1097:lethal 1015:PDBsum 989:  979:  937:CL0219 910:Symbol 888:genome 870:and a 800:domain 795:ions. 588:, DNA 573:and a 530:R-loop 455:via a 390:PubMed 372:Search 362:PDBsum 302:ExPASy 290:BRENDA 278:IntEnz 261:EC no. 219:PubMed 201:Search 187:AmiGO 175:PDBsum 115:ExPASy 103:BRENDA 91:IntEnz 62:EC no. 7146:Types 6827:Dicer 6782:;see 6608:3.1.6 6578:PDE4B 6574:PDE4A 6512:3.1.4 6481:IMPA3 6477:IMPA2 6473:IMPA1 6351:3.1.3 6319:3.1.2 6169:3.1.1 6022:POLE4 6017:POLE3 6012:POLE2 5995:POLD4 5990:POLD3 5985:POLD2 5980:POLD1 5975:delta 5968:PRIM2 5963:PRIM1 5958:POLA2 5953:POLA1 5948:alpha 5681:PRIM2 5676:PRIM1 5633:SSBP4 5628:SSBP3 5623:SSBP2 5243:23637 5143:55002 5052:51794 4841:S2CID 4694:S2CID 4622:S2CID 4248:S2CID 3972:S2CID 3834:S2CID 3566:S2CID 2855:eLife 2555:S2CID 2477:S2CID 2237:S2CID 2013:S2CID 1783:with 1570:HIV-1 1496:TREX1 1413:ERVK6 1306:HIV-1 1091:. 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