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Lipid-anchored protein

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transmembrane signaling. The palmitoyl group can be removed by palmitoyl thioesterases. It is believed that this reverse palmitoylation may regulate the interaction of the protein with the membrane and thus have a role in signaling processes. Furthermore, this allows for the regulation of protein subcellular localization, stability and trafficking. An example in which palmitoylation of a protein plays a role in cell signaling pathways is in the clustering of proteins in the
263: 344: 1636: 109: 492:. Releasing the IZUMO1R (JUNO) GPI protein from the egg plasma membrane does not allow for sperm to fuse with the egg and it is suggested that this mechanism may contribute to the polyspermy block at the plasma membrane in eggs. Other roles that GPI modification allows for is in the association with membrane microdomains, transient 135: 379:
and facilitates the clustering of proteins. The clustering can increase the proximity of two molecules. Alternatively, clustering can sequester a protein away from a substrate. For example, palmitoylation of phospholipase D (PLD) sequesters the enzyme away from its substrate phosphatidylcholine. When
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group of the respective protein. The GPI attachment occurs through the action of GPI-transamidase complex. The fatty acid chains of the phosphatidylinositol are inserted into the membrane and thus are what anchor the protein to the membrane. These proteins are only located on the exterior surface of
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Prenylated proteins are particularly important for eukaryotic cell growth, differentiation and morphology. Furthermore, protein prenylation is a reversible post-translational modification to the cell membrane. This dynamic interaction of prenylated proteins with the cell membrane is important for
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The lipid groups play a role in protein interaction and can contribute to the function of the protein to which it is attached. Furthermore, the lipid serves as a mediator of membrane associations or as a determinant for specific protein-protein interactions. For example, lipid groups can play an
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and when it is switched on it can turn on genes involved in cell growth and differentiation. Thus overactiving Ras signalling can lead to cancer. An understanding of these prenylated proteins and their mechanisms have been important for the drug development efforts in combating cancer. Other
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can also be used when other medium and long fatty acids chains are also attached to palmitoylated proteins. No consensus sequence for protein palmitoylation has been identified. Palmitoylated proteins are mainly found on the cytoplasmic side of the plasma membrane where they play a role in
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motif “CaaX box” is the most common prenylation site in proteins, that is, the site where farnesyl or geranylgeranyl covalently attach. In the CaaX box sequence, the C represents the cysteine that is prenylated, the A represents any
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are proteins that have been post-translationally modified to include the covalent attachment of fatty acids at certain amino acid residues. The most common fatty acids that are covalently attached to the protein are the saturated
131:(20-carbon) are attached to the protein via thioether linkages at cysteine residues near the C terminal of the protein. This prenylation of lipid chains to proteins facilitate their interaction with the cell membrane. 281:-myristoylation (i.e. attachment of myristic acid) is generally an irreversible protein modification that typically occurs during protein synthesis in which the myrisitc acid is attached to the α-amino group of an 480:
and complement regulatory proteins. Furthermore, GPI proteins play an important in embryogenesis, development, neurogenesis, the immune system and fertilization. More specifically, the GPI protein
1592:"Treatment of mouse oocytes with PI-PLC releases 70-kDa (pI 5) and 35- to 45-kDa (pI 5.5) protein clusters from the egg surface and inhibits sperm-oolemma binding and fusion" 65:
tails. The lipid-anchored protein can be located on either side of the cell membrane. Thus, the lipid serves to anchor the protein to the cell membrane. They are a type of
312:, protein-protein interactions and in mechanisms that regulate protein targeting and function. An example in which the myristoylation of a protein is important is in 100:. A protein can have multiple lipid groups covalently attached to it, but the site where the lipids bind to the protein depends both on the lipid group and protein. 351:
S-palmitoylation (i.e. attachment of palmitic acid) is a reversible protein modification in which a palmitic acid is attached to a specific cysteine residue via
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Reuter CW, Morgan MA, Bergmann L (September 2000). "Targeting the Ras signaling pathway: a rational, mechanism-based treatment for hematologic malignancies?".
756:"Thematic review series: lipid posttranslational modifications. Structural biology of protein farnesyltransferase and geranylgeranyltransferase type I" 151:
amino acid and the X determines the type of prenylation that will occur. If the X is an Ala, Met, Ser or Gln the protein will be farnesylated via the
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group vary depending on the protein. This great diversity is what allows the GPI proteins to have a wide range of functions including acting as
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embedded within the cell membrane. These proteins insert and assume a place in the bilayer structure of the membrane alongside the similar
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polymers (i.e. branched five-carbon hydrocarbon) at cysteine residues of the protein. More specifically, these isoprenoid groups, usually
989:"Proteomic analysis of fatty-acylated proteins in mammalian cells with chemical reporters reveals S-acylation of histone H3 variants" 1082:
Martin DD, Beauchamp E, Berthiaume LG (January 2011). "Post-translational myristoylation: Fat matters in cellular life and death".
324:, which then ultimately leads to cell death. Other proteins that are myristoylated and involved in the regulation of apoptosis are 81:. In a dynamic role, lipidation can sequester a protein away from its substrate to inactivate the protein and then activate it by 1640: 156: 381: 1661: 477: 1333:"Disruption of palmitate-mediated localization; a shared pathway of force and anesthetic activation of TREK-1 channels" 1746: 309: 1117:
Aicart-Ramos C, Valero RA, Rodriguez-Crespo I (December 2011). "Protein palmitoylation and subcellular trafficking".
1842: 30: 1837: 1737: 797:"Towards the systematic mapping and engineering of the protein prenylation machinery in Saccharomyces cerevisiae" 290: 1654: 368:
is palmitoylated, it is restricted to the membrane and allows it to bind to and cluster ion channels in the
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their signalling functions and is often deregulated in disease processes such as cancer. More specifically,
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carboxyl group. This GPI complex consists of several main components that are all interconnected: a
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Resh MD (November 2006). "Trafficking and signaling by fatty-acylated and prenylated proteins".
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is disrupted, the enzyme trafficks to PIP2 where it encounters its substrate and is active by
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membrane. Thus, palmitoylation can play a role in the regulation of neurotransmitter release.
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acid (16-carbon). Proteins can be modified to contain either one or both of these fatty acids.
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Structure of the glycophosphatidylinositol anchor in the plasma membrane of a eukaryotic cell
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Coonrod SA, Naaby-Hansen S, Shetty J, Shibahara H, Chen M, White JM, Herr JC (March 1999).
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Levental, I.; Lingwood, D.; Grzybek, M.; Coskun, U.; Simons, K. (3 December 2010).
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enzyme and if the X is a Leu then the protein will be geranylgeranylated via the
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Novelli G, D'Apice MR (September 2012). "Protein farnesylation and disease".
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enzyme. Both of these enzymes are similar with each containing two subunits.
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Overall, there are three main types of lipid-anchored proteins which include
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Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
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The sugar residues in the tetrasaccaride and the fatty acid residues in the
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Petersen, EN; Chung, HW; Nayebosadri, A; Hansen, SB (15 December 2016).
954: 451:. The phosphoethanolamine is then amide linked to the C-terminal of the 1459: 1442: 481: 424: 361: 46: 405:
Glycosylphosphatidylinositol-anchored proteins (GPI-anchored proteins)
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Stein V, Kubala MH, Steen J, Grimmond SM, Alexandrov K (2015-01-01).
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linked to the non-N-acetylated glucosamine of the tetrasaccharide. A
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at position 5. Proteins that have been myristoylated are involved in
1284:"Tools for Understanding Nanoscale Lipid Regulation of Ion Channels" 108: 134: 987:
Wilson JP, Raghavan AS, Yang YY, Charron G, Hang HC (March 2011).
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Ferguson MA (August 1991). "Lipid anchors on membrane proteins".
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Petersen, EN; Pavel, MA; Wang, H; Hansen, SB (28 October 2019).
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Some important prenylation chains that are involved in the
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proteins are proteins with covalently attached hydrophobic
581:(4th ed.). John Wiley & Sons, Inc. p. 263. 579:
Fundamentals of Biochemistry: Life at the Molecular Level
1043:"The biology and enzymology of protein N-myristoylation" 380:
cholesterol levels decrease or PIP2 levels increase the
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Robinson, CV; Rohacs, T; Hansen, SB (September 2019).
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Palmitoylation mediates the affinity of a protein for
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Dityatev, Alexander (2006). El-Husseini, Alaa (ed.).
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are attached to a GPI complex molecular group via an
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Cell and Molecular Biology: Concepts and Experiments
1759: 1723: 1685: 1337:Biochimica et Biophysica Acta (BBA) - Biomembranes 1119:Biochimica et Biophysica Acta (BBA) - Biomembranes 98:glycosylphosphatidylinositol-linked proteins (GPI) 1041:Farazi TA, Waksman G, Gordon JI (October 2001). 1173:Proceedings of the National Academy of Sciences 184:is the protein that undergoes prenylation via 1662: 856:"The molecular perspective: the ras oncogene" 488:) on the egg plasma has an essential role in 8: 316:, programmed cell death. After the protein 189:prenylated proteins include members of the 1669: 1655: 1647: 1086:. Bioactive Lipids, Nutrition and Health. 513: 511: 509: 443:is then formed between the mannose at the 1607: 1566: 1509: 1499: 1458: 1414: 1404: 1358: 1348: 1307: 1258: 1202: 1192: 1058: 1014: 1004: 871: 830: 820: 771: 628: 496:or in apical sorting in polarized cells. 395: 366:postsynaptic density protein 95 (PSD-95) 342: 261: 107: 29: 505: 73:important role in increasing molecular 1482:Kinoshita T, Fujita M (January 2016). 1447:Biological and Pharmaceutical Bulletin 1387:Kinoshita T, Fujita M (January 2016). 1154:Molecular Mechanisms of Synaptogenesis 659:Journal of Inherited Metabolic Disease 524:. John Wiley and Sons. pp. 128–. 296:. These proteins usually begin with a 1436: 1434: 1382: 1380: 1378: 1156:. New York: Springer. pp. 72–75. 1036: 1034: 982: 980: 936: 934: 932: 930: 928: 926: 702:Current Opinion in Structural Biology 572: 570: 568: 304:sequence and with either a serine or 7: 749: 747: 745: 652: 650: 648: 606: 604: 602: 600: 598: 566: 564: 562: 560: 558: 556: 554: 552: 550: 548: 447:end (of the tetrasaccaride) and the 318:BH3 interacting-domain death agonist 34:Lipid membrane with various proteins 1047:The Journal of Biological Chemistry 993:Molecular & Cellular Proteomics 617:The Journal of Biological Chemistry 611:Casey PJ, Seabra MC (March 1996). 577:Voet D, Voet JG, Pratt CW (2013). 297: 289:. This reaction is facilitated by 25: 231:that eventually cyclizes to form 1634: 754:Lane KT, Beese LS (April 2006). 219:. These isoprene polymers (e.g. 1853:Post-translational modification 382:palmitate mediated localization 301: 1288:Trends in Biochemical Sciences 49:located on the surface of the 1: 1441:Ikezawa, Hiroh (2002-01-01). 873:10.1634/theoncologist.4-3-263 714:10.1016/s0959-440x(05)80072-7 1350:10.1016/j.bbamem.2019.183091 1131:10.1016/j.bbamem.2011.07.009 1096:10.1016/j.biochi.2010.10.018 822:10.1371/journal.pone.0120716 613:"Protein prenyltransferases" 193:and Rho families as well as 1747:Peripheral membrane protein 484:(also named JUNO after the 310:signal transduction cascade 285:glycine residue through an 157:geranylgeranyltransferase I 1869: 1738:Integral membrane proteins 1300:10.1016/j.tibs.2019.04.001 854:Goodsell DS (1999-01-01). 773:10.1194/jlr.R600002-JLR200 486:Roman goddess of fertility 427:and a glucosaminyl) and a 1488:Journal of Lipid Research 1393:Journal of Lipid Research 760:Journal of Lipid Research 671:10.1007/s10545-011-9445-y 171:Prenylation chains (e.g. 909:10.1182/blood.V96.5.1655 1782:Lipid raft/microdomains 1194:10.1073/pnas.1016184107 1006:10.1074/mcp.M110.001198 943:Nature Chemical Biology 630:10.1074/jbc.271.10.5289 239:Fatty acylated proteins 94:fatty acylated proteins 39:Lipid-anchored proteins 1787:Membrane contact sites 1751:Lipid-anchored protein 1733:Membrane glycoproteins 1641:Lipid-anchored protein 1609:10.1006/dbio.1998.9161 1060:10.1074/jbc.R100042200 401: 386:substrate presentation 348: 267: 225:farnesyl pyrophosphate 176: 139: 113: 83:substrate presentation 35: 1742:transmembrane protein 1596:Developmental Biology 1231:Nature Communications 456:the plasma membrane. 399: 346: 294:-myristoyltransferase 265: 255:(14-carbon) acid and 221:geranyl pyrophosphate 173:geranyl pyrophosphate 170: 137: 111: 43:lipid-linked proteins 33: 1767:Caveolae/Coated pits 1643:at Wikimedia Commons 1533:Kinoshita T (2014). 518:Gerald Karp (2009). 466:phosphatidylinositol 433:phosphatidylinositol 429:phosphatidylinositol 18:GPI-anchored protein 1559:10.2183/pjab.90.130 1551:2014PJAB...90..130K 1501:10.1194/jlr.R063313 1406:10.1194/jlr.R063313 1251:10.1038/ncomms13873 1243:2016NatCo...713873P 1185:2010PNAS..10722050L 1179:(51): 22050–22054. 955:10.1038/nchembio834 813:2015PLoSO..1020716S 449:phosphoethanolamine 441:phosphodiester bond 423:(composed of three 417:phosphoethanolamine 186:farnesyltransferase 153:farnesyltransferase 104:Prenylated proteins 90:prenylated proteins 1792:Membrane nanotubes 1677:Structures of the 1460:10.1248/bpb.25.409 999:(3): M110.001198. 478:protease inhibitor 470:hydrolytic enzymes 460:Roles and function 402: 355:linkage. The term 349: 268: 177: 163:Roles and function 140: 114: 36: 1843:Membrane proteins 1825: 1824: 1725:Membrane proteins 1639:Media related to 727:isoprene (2003). 531:978-0-470-48337-4 474:adhesion molecule 411:to the protein's 229:prenyltransferase 205:metabolic pathway 202:HMG-CoA reductase 16:(Redirected from 1860: 1838:Membrane biology 1807:Nuclear envelope 1802:Nodes of Ranvier 1671: 1664: 1657: 1648: 1638: 1622: 1621: 1611: 1587: 1581: 1580: 1570: 1530: 1524: 1523: 1513: 1503: 1479: 1473: 1472: 1462: 1438: 1429: 1428: 1418: 1408: 1384: 1373: 1372: 1362: 1352: 1328: 1322: 1321: 1311: 1279: 1273: 1272: 1262: 1223: 1217: 1216: 1206: 1196: 1164: 1158: 1157: 1149: 1143: 1142: 1114: 1108: 1107: 1079: 1073: 1072: 1062: 1038: 1029: 1028: 1018: 1008: 984: 975: 974: 938: 921: 920: 892: 886: 885: 875: 851: 845: 844: 834: 824: 792: 786: 785: 775: 751: 740: 739: 737: 735: 724: 718: 717: 697: 691: 690: 654: 643: 642: 632: 608: 593: 592: 588:978-0470-54784-7 574: 543: 542: 540: 538: 515: 494:homodimerization 490:sperm-egg fusion 303: 299: 127:(15-carbon) and 27:Membrane protein 21: 1868: 1867: 1863: 1862: 1861: 1859: 1858: 1857: 1828: 1827: 1826: 1821: 1755: 1719: 1687:Membrane lipids 1681: 1675: 1631: 1626: 1625: 1589: 1588: 1584: 1532: 1531: 1527: 1481: 1480: 1476: 1440: 1439: 1432: 1386: 1385: 1376: 1330: 1329: 1325: 1281: 1280: 1276: 1225: 1224: 1220: 1166: 1165: 1161: 1151: 1150: 1146: 1125:(12): 2981–94. 1116: 1115: 1111: 1081: 1080: 1076: 1053:(43): 39501–4. 1040: 1039: 1032: 986: 985: 978: 940: 939: 924: 894: 893: 889: 853: 852: 848: 807:(3): e0120716. 794: 793: 789: 753: 752: 743: 733: 731: 726: 725: 721: 699: 698: 694: 656: 655: 646: 623:(10): 5289–92. 610: 609: 596: 589: 576: 575: 546: 536: 534: 532: 517: 516: 507: 502: 462: 421:tetrasaccharide 394: 341: 339:-palmitoylation 276: 266:Myristoylation 241: 209:geranylgeraniol 165: 106: 79:protein domains 41:(also known as 28: 23: 22: 15: 12: 11: 5: 1866: 1864: 1856: 1855: 1850: 1845: 1840: 1830: 1829: 1823: 1822: 1820: 1819: 1814: 1812:Phycobilisomes 1809: 1804: 1799: 1794: 1789: 1784: 1779: 1774: 1772:Cell junctions 1769: 1763: 1761: 1757: 1756: 1754: 1753: 1744: 1735: 1729: 1727: 1721: 1720: 1718: 1717: 1712: 1707: 1702: 1697: 1691: 1689: 1683: 1682: 1676: 1674: 1673: 1666: 1659: 1651: 1645: 1644: 1630: 1629:External links 1627: 1624: 1623: 1582: 1525: 1474: 1453:(4): 409–417. 1430: 1374: 1323: 1294:(9): 795–806. 1274: 1218: 1159: 1144: 1109: 1074: 1030: 976: 949:(11): 584–90. 922: 903:(5): 1655–69. 887: 860:The Oncologist 846: 787: 741: 719: 692: 644: 594: 587: 544: 530: 504: 503: 501: 498: 461: 458: 437:glycosidically 393: 390: 347:Palmitoylation 340: 334: 275: 274:myristoylation 269: 240: 237: 164: 161: 129:geranylgeranyl 105: 102: 75:hydrophobicity 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1865: 1854: 1851: 1849: 1846: 1844: 1841: 1839: 1836: 1835: 1833: 1818: 1815: 1813: 1810: 1808: 1805: 1803: 1800: 1798: 1797:Myelin sheath 1795: 1793: 1790: 1788: 1785: 1783: 1780: 1778: 1775: 1773: 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418: 414: 410: 409:amide linkage 406: 398: 391: 389: 387: 383: 378: 373: 371: 367: 363: 358: 354: 345: 338: 335: 333: 331: 327: 323: 319: 315: 311: 307: 295: 293: 288: 287:amide linkage 284: 280: 273: 270: 264: 260: 258: 254: 249: 247: 238: 236: 234: 230: 226: 222: 218: 214: 210: 206: 203: 198: 196: 192: 187: 183: 174: 169: 162: 160: 158: 154: 150: 145: 136: 132: 130: 126: 122: 118: 112:Isoprene unit 110: 103: 101: 99: 95: 91: 86: 84: 80: 76: 70: 68: 64: 60: 56: 52: 51:cell membrane 48: 44: 40: 32: 19: 1848:Lipoproteins 1750: 1705:Lipoproteins 1599: 1595: 1585: 1542: 1538: 1528: 1491: 1487: 1477: 1450: 1446: 1396: 1392: 1340: 1336: 1326: 1291: 1287: 1277: 1234: 1230: 1221: 1176: 1172: 1162: 1153: 1147: 1122: 1118: 1112: 1090:(1): 18–31. 1087: 1083: 1077: 1050: 1046: 996: 992: 946: 942: 900: 896: 890: 866:(3): 263–4. 863: 859: 849: 804: 800: 790: 763: 759: 732:. Retrieved 722: 708:(4): 522–9. 705: 701: 695: 662: 658: 620: 616: 578: 535:. Retrieved 520: 463: 404: 403: 392:GPI proteins 374: 370:postsynaptic 350: 336: 322:cytochrome c 291: 278: 277: 271: 243: 242: 199: 178: 141: 115: 97: 93: 89: 87: 71: 67:proteolipids 57:attached to 42: 38: 37: 1494:(1): 6–24. 1399:(1): 6–24. 734:28 November 537:13 November 445:nonreducing 419:, a linear 377:lipid rafts 364:. When the 357:S-acylation 233:cholesterol 144:prenylation 1832:Categories 1777:Glycocalyx 500:References 413:C-terminal 283:N-terminal 117:Prenylated 63:fatty acid 55:covalently 1817:Porosomes 1237:: 13873. 1084:Biochimie 435:group is 353:thioester 314:apoptosis 306:threonine 149:aliphatic 53:that are 1618:10068467 1577:24727937 1520:26563290 1469:11995915 1425:26563290 1369:31672538 1318:31060927 1269:27976674 1213:21131568 1139:21819967 1104:21056615 1069:11527981 1025:21076176 963:17051234 917:10961860 882:10394594 841:25768003 801:PLOS ONE 782:16477080 687:11555502 679:22307208 453:carboxyl 330:gelsolin 257:palmitic 253:myristic 248:proteins 246:acylated 217:dolichol 213:farnesol 138:Caax Box 125:farnesyl 121:isoprene 47:proteins 1715:Sterols 1568:4055706 1547:Bibcode 1511:4689344 1416:4689344 1360:6907892 1309:6729126 1260:5171650 1239:Bibcode 1204:3009825 1181:Bibcode 1016:3047146 971:9734759 832:4358939 809:Bibcode 639:8621375 482:IZUMO1R 425:mannose 362:synapse 1616:  1575:  1565:  1518:  1508:  1467:  1423:  1413:  1367:  1357:  1316:  1306:  1267:  1257:  1211:  1201:  1137:  1102:  1067:  1023:  1013:  969:  961:  915:  880:  839:  829:  780:  685:  677:  637:  585:  528:  431:. The 244:Fatty 195:lamins 59:lipids 45:) are 1760:Other 967:S2CID 897:Blood 683:S2CID 326:actin 1614:PMID 1573:PMID 1516:PMID 1465:PMID 1421:PMID 1365:PMID 1341:1862 1314:PMID 1265:PMID 1209:PMID 1135:PMID 1123:1808 1100:PMID 1065:PMID 1021:PMID 959:PMID 913:PMID 878:PMID 837:PMID 778:PMID 736:2015 675:PMID 635:PMID 583:ISBN 539:2010 526:ISBN 328:and 223:and 215:and 207:are 142:The 96:and 1604:doi 1600:207 1563:PMC 1555:doi 1506:PMC 1496:doi 1455:doi 1411:PMC 1401:doi 1355:PMC 1345:doi 1304:PMC 1296:doi 1255:PMC 1247:doi 1199:PMC 1189:doi 1177:107 1127:doi 1092:doi 1055:doi 1051:276 1011:PMC 1001:doi 951:doi 905:doi 868:doi 827:PMC 817:doi 768:doi 710:doi 667:doi 625:doi 621:271 302:Gly 298:Met 191:Rab 182:Ras 1834:: 1612:. 1598:. 1594:. 1571:. 1561:. 1553:. 1543:90 1541:. 1537:. 1514:. 1504:. 1492:57 1490:. 1486:. 1463:. 1451:25 1449:. 1445:. 1433:^ 1419:. 1409:. 1397:57 1395:. 1391:. 1377:^ 1363:. 1353:. 1339:. 1335:. 1312:. 1302:. 1292:44 1290:. 1286:. 1263:. 1253:. 1245:. 1233:. 1207:. 1197:. 1187:. 1175:. 1171:. 1133:. 1121:. 1098:. 1088:93 1063:. 1049:. 1045:. 1033:^ 1019:. 1009:. 997:10 995:. 991:. 979:^ 965:. 957:. 945:. 925:^ 911:. 901:96 899:. 876:. 862:. 858:. 835:. 825:. 815:. 805:10 803:. 799:. 776:. 764:47 762:. 758:. 744:^ 704:. 681:. 673:. 663:35 661:. 647:^ 633:. 619:. 615:. 597:^ 547:^ 508:^ 472:, 388:. 332:. 272:N- 235:. 211:, 197:. 92:, 85:. 69:. 1749:/ 1740:/ 1670:e 1663:t 1656:v 1620:. 1606:: 1579:. 1557:: 1549:: 1522:. 1498:: 1471:. 1457:: 1427:. 1403:: 1371:. 1347:: 1320:. 1298:: 1271:. 1249:: 1241:: 1235:7 1215:. 1191:: 1183:: 1141:. 1129:: 1106:. 1094:: 1071:. 1057:: 1027:. 1003:: 973:. 953:: 947:2 919:. 907:: 884:. 870:: 864:4 843:. 819:: 811:: 784:. 770:: 738:. 716:. 712:: 706:1 689:. 669:: 641:. 627:: 591:. 541:. 337:S 300:- 292:N 279:N 175:) 20:)

Index

GPI-anchored protein

proteins
cell membrane
covalently
lipids
fatty acid
proteolipids
hydrophobicity
protein domains
substrate presentation

Prenylated
isoprene
farnesyl
geranylgeranyl

prenylation
aliphatic
farnesyltransferase
geranylgeranyltransferase I

geranyl pyrophosphate
Ras
farnesyltransferase
Rab
lamins
HMG-CoA reductase
metabolic pathway
geranylgeraniol

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