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Chromatin assembly factor 1

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The three subunits work together to make the complex function. The human subunit (p150) interacts with PCNA, which acts as a sliding clamp, to help the CAF-1 complex interact with the DNA replication fork. Additionally, p150 along with PCNA performs nucleotide excision repair to fix any damaged DNA.
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A mutation in p150 that results in a loss of function would lead to double stranded breaks, interruptions in the replication fork and translocations. In p60, loss of function would mean the histone chaperone for H3/H4 would not interact with the complex. A mutation like this in either subunit would
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p60 attracts ASF1a/b which is a chaperone for H3/H4 and this is in the complex with p150 which interacts with PCNA to attach to the replication fork. The CAF-1 complex adds the histones to the DNA ahead of the replication fork.
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Ishiuchi T, Enriquez-Gasca R, Mizutani E, Bošković A, Ziegler-Birling C, Rodriguez-Terrones D, et al. (September 2015). "Early embryonic-like cells are induced by downregulating replication-dependent chromatin assembly".
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result in loss of function for the CAF-1 complex as a whole. However, loss of function in p48 would alter how well the complex is able to chaperone chromatin, but would not stop it as a whole.
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Smith S, Stillman B (July 1989). "Purification and characterization of CAF-I, a human cell factor required for chromatin assembly during DNA replication in vitro".
478:"DNA-mediated association of two histone-bound complexes of yeast Chromatin Assembly Factor-1 (CAF-1) drives tetrasome assembly in the wake of DNA replication" 90:
P60 interacts with ASF1a/b, which is a histone chaperone for H3/H4. p48 has roles outside of CAF-1, but when involved with the complex, it binds to H4.
190: 675:"Mechanism of mRNA deadenylation: evidence for a molecular interplay between translation termination factor eRF3 and mRNA deadenylases" 86:(proliferating cell nuclear antigen, which stabilizes CAF-1 at replication forks, is important for CAF-1's role in nucleosome assembly 1038: 527:
Zhang Z, Shibahara K, Stillman B (November 2000). "PCNA connects DNA replication to epigenetic inheritance in yeast".
427:"Insights into the molecular architecture and histone H3-H4 deposition mechanism of yeast Chromatin assembly factor 1" 180: 82:. H3 and H4 are synthesized in the cytoplasm. Several studies have shown that the interaction between CAF-1 and 1043: 1033: 123: 319:"The role of the chromatin assembly complex (CAF-1) and its p60 subunit (CHAF1b) in homeostasis and disease" 376:"The Cac1 subunit of histone chaperone CAF-1 organizes CAF-1-H3/H4 architecture and tetramerizes histones" 977:"Mechanistic insights into histone deposition and nucleosome assembly by the chromatin assembly factor-1" 161: 1028: 739: 536: 262: 133:
cells) can be induced in vitro through downregulation of the chromatin-assembly activity of CAF-1 in
251:"Chromatin assembly factor 1 is essential and couples chromatin assembly to DNA replication in vivo" 134: 63: 46:(p60), and p48 subunits in humans, or Cac1, Cac2, and Cac3, respectively, in yeast— that assembles 963: 924:"Chromatin assembly factor 1 suppresses epigenetic reprogramming toward adaptive drug resistance" 867: 830: 777: 655: 560: 231: 16: 1006: 955: 910: 859: 822: 765: 704: 647: 611: 552: 509: 458: 407: 356: 338: 290: 223: 186: 726:
Cheloufi S, Elling U, Hopfgartner B, Jung YL, Murn J, Ninova M, et al. (December 2015).
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Liu WH, Roemer SC, Zhou Y, Shen ZJ, Dennehey BK, Balsbaugh JL, et al. (September 2016).
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Mattiroli F, Gu Y, Yadav T, Balsbaugh JL, Harris MR, Findlay ES, et al. (March 2017).
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Steps in nucleosome assembly. CAF-1 is shown in yellow interacting with the H3-H4 tetramer.
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Houlard M, Berlivet S, Probst AV, Quivy JP, Héry P, Almouzni G, Gérard M (November 2006).
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Funakoshi Y, Doi Y, Hosoda N, Uchida N, Osawa M, Shimada I, et al. (December 2007).
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Kaufman PD (September 2015). "Want reprogramming? Cut back on the chromatin assembly!".
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Sauer PV, Timm J, Liu D, Sitbon D, Boeri-Erba E, Velours C, et al. (March 2017).
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Sauer PV, Gu Y, Liu WH, Mattiroli F, Panne D, Luger K, Churchill ME (November 2018).
967: 564: 219: 157: 881:"Chromatin dynamics after DNA damage: The legacy of the access-repair-restore model" 871: 834: 580:"CAF-1 is essential for heterochromatin organization in pluripotent embryonic cells" 235: 130: 119: 659: 896: 793:"Histone chaperone CAF-1: essential roles in multi-cellular organism development" 596: 334: 107: 940: 255:
Proceedings of the National Academy of Sciences of the United States of America
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Wang Z, Wu R, Nie Q, Bouchonville KJ, Diasio RB, Offer SM (March 2021).
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formation by tetramerizing and depositing newly synthesized histone
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Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms
145: 83: 728:"The histone chaperone CAF-1 safeguards somatic cell identity" 106:CAF-1 is required for the spatial organization and 778:"Memory loss enables the production of stem cells" 144:, which should not be confused with the unrelated 148:. The CAF-1/CCR4-Not complex cooperates with the 317:Volk, Andrew; Crispino, John D. (August 2015). 791:Yu Z, Liu J, Deng WM, Jiao R (January 2015). 129:Cells resembling 2-cell-stage mouse embryos ( 8: 1000: 949: 939: 904: 844:Nature Structural & Molecular Biology 816: 759: 698: 632:Nature Structural & Molecular Biology 605: 595: 503: 493: 452: 442: 401: 391: 350: 284: 274: 179:Fang, Dong; Han, Junhong (2020-11-06). 171: 140:CAF-1 forms a deadenylase complex with 54:during the S phase of the cell cycle. 928:Journal of the National Cancer Center 879:Polo SE, Almouzni G (December 2015). 118:cells, creating a cellular memory of 7: 797:Cellular and Molecular Life Sciences 312: 310: 308: 306: 304: 249:Hoek M, Stillman B (October 2003). 784:(Press release). December 9, 2015. 14: 66:that mediates the first step in 156:to shorten the poly(A) tail of 1: 62:CAF-1 functions as a histone 897:10.1016/j.dnarep.2015.09.014 597:10.1371/journal.pgen.0020181 335:10.1016/j.bbagrm.2015.05.009 220:10.1016/0092-8674(89)90398-X 182:Histone Mutations and Cancer 1060: 941:10.1016/j.jncc.2020.12.003 809:10.1007/s00018-014-1748-3 124:cellular differentiation 78:onto DNA rapidly behind 679:Genes & Development 276:10.1073/pnas.1635158100 114:domains in pluripotent 981:Nucleic Acids Research 21: 19: 135:embryonic stem cells 752:10.1038/nature15749 744:2015Natur.528..218C 691:10.1101/gad.1597707 541:2000Natur.408..221Z 495:10.7554/eLife.22799 444:10.7554/elife.23474 393:10.7554/eLife.18023 267:2003PNAS..10012183H 261:(21): 12183–12188. 185:. Springer Nature. 1039:Induced stem cells 993:10.1093/nar/gky823 22: 987:(19): 9907–9917. 856:10.1038/nsmb.3081 738:(7581): 218–224. 685:(23): 3135–3148. 644:10.1038/nsmb.3066 535:(6809): 221–225. 192:978-981-15-8104-5 80:replication forks 28:assembly factor-1 1051: 1014: 1004: 971: 953: 943: 918: 908: 875: 838: 820: 785: 773: 763: 713: 712: 702: 670: 664: 663: 626: 620: 619: 609: 599: 575: 569: 568: 549:10.1038/35041601 524: 518: 517: 507: 497: 473: 467: 466: 456: 446: 422: 416: 415: 405: 395: 371: 365: 364: 354: 314: 299: 298: 288: 278: 246: 240: 239: 203: 197: 196: 176: 122:identity during 1059: 1058: 1054: 1053: 1052: 1050: 1049: 1048: 1044:Gene expression 1034:DNA replication 1019: 1018: 1017: 974: 921: 878: 841: 790: 776: 725: 721: 719:Further reading 716: 672: 671: 667: 628: 627: 623: 577: 576: 572: 526: 525: 521: 475: 474: 470: 424: 423: 419: 373: 372: 368: 316: 315: 302: 248: 247: 243: 205: 204: 200: 193: 178: 177: 173: 169: 112:heterochromatin 104: 60: 52:replicating DNA 50:tetramers onto 36:protein complex 12: 11: 5: 1057: 1055: 1047: 1046: 1041: 1036: 1031: 1021: 1020: 1016: 1015: 972: 919: 876: 850:(9): 648–650. 839: 803:(2): 327–337. 788: 787: 786: 722: 720: 717: 715: 714: 665: 638:(9): 662–671. 621: 570: 519: 468: 417: 366: 329:(8): 979–986. 300: 241: 198: 191: 170: 168: 165: 150:release factor 103: 100: 59: 56: 42:(p150),   13: 10: 9: 6: 4: 3: 2: 1056: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1026: 1024: 1012: 1008: 1003: 998: 994: 990: 986: 982: 978: 973: 969: 965: 961: 957: 952: 947: 942: 937: 933: 929: 925: 920: 916: 912: 907: 902: 898: 894: 890: 886: 882: 877: 873: 869: 865: 861: 857: 853: 849: 845: 840: 836: 832: 828: 824: 819: 814: 810: 806: 802: 798: 794: 789: 783: 779: 775: 774: 771: 767: 762: 757: 753: 749: 745: 741: 737: 733: 729: 724: 723: 718: 710: 706: 701: 696: 692: 688: 684: 680: 676: 669: 666: 661: 657: 653: 649: 645: 641: 637: 633: 625: 622: 617: 613: 608: 603: 598: 593: 589: 585: 584:PLOS Genetics 581: 574: 571: 566: 562: 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1029:Epigenetics 891:: 114–121. 110:marking of 1023:Categories 885:DNA Repair 488:: e22799. 437:: e23474. 386:: e18023. 167:References 131:totipotent 108:epigenetic 68:nucleosome 968:234287367 565:205010657 343:0006-3002 152:eRF3 and 116:embryonic 64:chaperone 26:Chromatin 1011:30239791 960:39036786 951:11256593 915:26429064 872:33569420 864:26333710 835:18355941 827:25292338 818:11114026 770:26659182 709:18056425 652:26237512 616:17083276 557:11089978 514:28315523 463:28315525 412:27690308 361:26066981 295:14519857 236:10515064 142:CCR4-Not 58:Function 1002:6212844 906:5113751 761:4866648 740:Bibcode 700:2081979 607:1630711 537:Bibcode 505:5404915 454:5404918 403:5045291 352:4515380 263:Bibcode 228:2546672 160:during 48:histone 34:) is a 1009:  999:  966:  958:  948:  913:  903:  870:  862:  833:  825:  815:  768:  758:  732:Nature 707:  697:  660:837230 658:  650:  614:  604:  563:  555:  529:Nature 512:  502:  461:  451:  410:  400:  359:  349:  341:  293:  286:218733 283:  234:  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Index


Chromatin
protein complex
Chaf1a
Chaf1b
histone
replicating DNA
chaperone
nucleosome
H3
H4
replication forks
PCNA
epigenetic
heterochromatin
embryonic
somatic cell
cellular differentiation
totipotent
embryonic stem cells
CCR4-Not
CCR4
release factor
PABPC1
mRNA
translation.
Histone Mutations and Cancer
ISBN
978-981-15-8104-5
doi

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