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Endoglycosidase H

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It deglycosylates mannose glycoproteins, but the extent and rate of the deglycosylation depends to a high degree on the nature of the glycoproteins. The deglycosylation rate can be increased by denaturation of the glycoproteins (e.g., by carboxymethylation, sulfitolysis or by heating in the presence
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of sodium dodecyl sulfate). The addition of 0.1 M 2-mercaptoethanol highly increases enzyme activity against glycoproteins containing inter- or intra-molecular disulfide bridges, unlike detergents like Triton X-100, n- Octylglucoside, or zwitterionic detergents.
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subunits. Since all later oligosaccharide structures are resistant to cleavage by endoglycosidase H the enzyme is widely used to report the extent of oligosaccharide processing a protein of interest has undergone.
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Tai T, Yamashita K, Ogata-Arakawa M, Koide N, Muramatsu T, Iwashita S, Inoue Y, Kobata A (November 1975). "Structural studies of two ovalbumin glycopeptides in relation to the endo-β-
241: 260: 836: 409:. It is this oligosaccharide molecule which is modified by a series of enzymes as the protein moves through the different compartments of the 774: 676:
Robbins PW, Trimble RB, Wirth DF, Hering C, Maley F, Maley GF, Das R, Gibson BW, Royal N, Biemann K (June 1984). "Primary structure of the
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Tarentino AL, Plummer TH, Maley F (February 1974). "The release of intact oligosaccharides from specific glycoproteins by endo-β-
253: 1100: 829: 382: 220: 196: 1374: 1112: 473:-acetylglucosaminidase acting on carbohydrate moieties of glycoproteins. Purification and properties of the enzyme from 413:. Endoglycosidase H is able to cleave each structure of this oligosaccharide as it is processed until the enzyme Golgi 959: 1489: 406: 1359: 1475: 1462: 1449: 1436: 1423: 1410: 1397: 1170: 858: 822: 1369: 214: 1323: 1266: 849: 286: 33: 401:(ER) and translocated into the Golgi. Upon entering the ER a molecule containing 14 sugar subunits is linked 365:(GlcNAc) subunits directly proximal to the asparagine residue, generating a truncated sugar molecule with one 201: 1271: 1022: 1185: 930: 390: 265: 1292: 1211: 398: 341: 189: 1364: 50: 1144: 1095: 414: 358:
Endoglycosidase H cleaves the bond in the diacetylchitobiose core of the oligosaccharide between two
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glycopeptide-D-mannosyl-4-N-(N-acetyl-D-glucosaminyl)2-asparagine 1,4-N-acetyl-β-glucosaminohydrolase
1328: 1039: 1027: 862: 359: 324: 217: 45: 141: 1261: 1083: 1078: 1056: 1044: 883: 323:. It is used for research purposes to deglycosylate glycoproteins and to monitor intracellular 1519: 1051: 925: 770: 747: 693: 658: 627: 596: 539: 486: 328: 208: 1307: 1302: 1276: 1204: 1061: 947: 739: 586: 578: 529: 521: 451: 316: 177: 1354: 1338: 1251: 1181: 803: 792: 410: 386: 308: 293: 153: 289: 38: 1503: 1392: 1333: 1122: 1034: 871: 814: 591: 558: 534: 505: 352: 236: 1513: 1297: 1256: 1068: 997: 980: 743: 710: 455: 320: 1246: 912: 1470: 1405: 1241: 1139: 1105: 1073: 1498: 1149: 1117: 312: 1444: 1418: 987: 920: 897: 887: 845: 394: 751: 697: 662: 600: 490: 355:
is 29 kDa. The primary structure was described by Robbins et al. in 1984.
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Endoglycosidase H is commonly used by cell biologists to monitor
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Trimble RB, Maley F (September 1984). "Optimizing hydrolysis of
172: 1200: 818: 305:-glucosaminyl)2-asparagine 1,4-N-acetyl-β-glucosaminohydrolase 510:-acetyl-β-D-glucosaminidase activity in rat liver and kidney" 89:
mannosyl-glycoprotein 1,4-N-acetamidodeoxy-β-D-glycohydrolase
812:(Peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine_amidase) 1196: 319:, but not highly processed complex oligosaccharides from 369:-acetylglucosamine residue remaining on the asparagine. 563:-acetyl-β-D-glucosaminidase activity towards an asialo- 1487: 405:
to an asparagine in a selective manner by the enzyme
1383: 1347: 1316: 1285: 1234: 1169: 968: 911: 870: 857: 389:. Most proteins destined for the cell surface are 259: 247: 235: 230: 207: 195: 183: 171: 159: 147: 135: 130: 56: 44: 32: 27: 18: 73:mannosyl-glycoprotein endo-β-N-acetylglucosamidase 567:-acetyl-lactosaminic-type substrate in rat liver" 559:"Demonstration and cytosolic location of an endo- 726:-linked high-mannose oligosaccharides by endo-β- 438:Chien S, Weinburg R, Li S, Li Y (1977). "Endo-β- 77:di-N-acetylchitobiosyl β-N-acetylglucosaminidase 557:Pierce RJ, Spik G, Montreuil J (January 1980). 69:-diacetylchitobiosyl β-N-acetylglucosaminidase 1212: 830: 8: 504:Pierce RJ, Spik G, Montreuil J (June 1979). 469:Koide N, Muramatsu T (August 1974). "Endo-β- 1219: 1205: 1197: 867: 837: 823: 815: 283:-acetylglucosaminidase (endoglycosidase H) 227: 590: 533: 442:-acetylglucosaminidase from fig latex". 1494: 793:IUBMB Enzyme Nomenclature - EC 3.2.1.96 430: 15: 618:-acetylglucosaminidase specificity". 7: 85:endo-β-(1→4)-N-acetylglucosaminidase 769:(4th ed.). New York: Garland. 686:The Journal of Biological Chemistry 651:The Journal of Biological Chemistry 620:The Journal of Biological Chemistry 479:The Journal of Biological Chemistry 339:Endoglycosidase H is isolated from 14: 97:endo-N-acetyl-β-D-glucosaminidase 1497: 117:endo-β-N-acetylglucosaminidase L 113:endo-β-N-acetylglucosaminidase H 109:endo-β-N-acetylglucosaminidase F 105:endo-β-N-acetylglucosaminidase D 61:Endo-β-N-acetylglucosaminidase H 1101:Alpha-N-acetylgalactosaminidase 506:"Cytosolic location of an endo- 101:endo-N-acetyl-β-glucosaminidase 383:posttranslational modification 1: 1113:Alpha-N-acetylglucosaminidase 767:Molecular Biology of the Cell 711:Endoglycosidase H, North Star 444:Biochem. Biophys. Res. Commun 279:mannosyl-glycoprotein endo-β- 19:Mannosyl-glycoprotein endo-β- 744:10.1016/0003-2697(84)90080-0 456:10.1016/0006-291x(77)90727-6 81:endo-β-acetylglucosaminidase 730:-acetylglucosaminidase H". 684:-acetylglucosaminidase H". 649:-acetylglucosaminidase H". 1536: 407:oligosaccharyl transferase 307:. It is a highly specific 1375:Michaelis–Menten kinetics 226: 1267:Diffusion-limited enzyme 806:F and D, cleave Glc-Nac 377:Biochemical applications 1023:Bacterial neuraminidase 732:Analytical Biochemistry 571:The Biochemical Journal 514:The Biochemical Journal 1186:Oxoguanine glycosylase 475:Diplococcus pneumoniae 335:Structure and activity 301:-mannosyl-N-(N-acetyl- 23:-acetylglucosaminidase 1360:Eadie–Hofstee diagram 1293:Allosteric regulation 399:endoplasmic reticulum 342:Streptomyces plicatus 315:-linked mannose rich 1370:Lineweaver–Burk plot 1175:N-Glycosyl compounds 1145:Maltase-glucoamylase 1096:Galactosylceramidase 863:Glycoside hydrolases 848:: sugar hydrolases ( 348:Streptomyces griseus 1028:Viral neuraminidase 325:protein trafficking 1329:Enzyme superfamily 1262:Enzyme promiscuity 1079:Glucosylceramidase 960:Debranching enzyme 884:Sucrase-isomaltase 765:Alberts B (2002). 363:-acetylglucosamine 1485: 1484: 1194: 1193: 1165: 1164: 1052:alpha-Mannosidase 926:Alpha-glucosidase 776:978-0-8153-4072-0 583:10.1042/bj1850261 526:10.1042/bj1800673 329:secretory pathway 304: 300: 275: 274: 271: 270: 190:metabolic pathway 125:endoglycosidase H 93:endoglycosidase S 1527: 1502: 1501: 1493: 1365:Hanes–Woolf plot 1308:Enzyme activator 1303:Enzyme inhibitor 1277:Enzyme catalysis 1221: 1214: 1207: 1198: 1182:DNA glycosylases 948:Beta-glucosidase 868: 839: 832: 825: 816: 804:Endoglycosidases 781: 780: 762: 756: 755: 719: 713: 708: 702: 701: 673: 667: 666: 642: 636: 635: 611: 605: 604: 594: 554: 548: 547: 537: 501: 495: 494: 485:(15): 4897–904. 466: 460: 459: 435: 415:α-mannosidase II 317:oligosaccharides 302: 298: 228: 68: 16: 1535: 1534: 1530: 1529: 1528: 1526: 1525: 1524: 1510: 1509: 1508: 1496: 1488: 1486: 1481: 1393:Oxidoreductases 1379: 1355:Enzyme kinetics 1343: 1339:List of enzymes 1312: 1281: 1252:Catalytic triad 1230: 1225: 1195: 1190: 1174: 1161: 964: 907: 853: 843: 801: 789: 784: 777: 764: 763: 759: 721: 720: 716: 709: 705: 692:(12): 7577–83. 675: 674: 670: 644: 643: 639: 626:(21): 8569–75. 613: 612: 608: 556: 555: 551: 503: 502: 498: 468: 467: 463: 437: 436: 432: 428: 411:Golgi apparatus 397:into the rough 387:Golgi apparatus 379: 337: 309:endoglycosidase 294:systematic name 66: 12: 11: 5: 1533: 1531: 1523: 1522: 1512: 1511: 1507: 1506: 1483: 1482: 1480: 1479: 1466: 1453: 1440: 1427: 1414: 1401: 1387: 1385: 1381: 1380: 1378: 1377: 1372: 1367: 1362: 1357: 1351: 1349: 1345: 1344: 1342: 1341: 1336: 1331: 1326: 1320: 1318: 1317:Classification 1314: 1313: 1311: 1310: 1305: 1300: 1295: 1289: 1287: 1283: 1282: 1280: 1279: 1274: 1269: 1264: 1259: 1254: 1249: 1244: 1238: 1236: 1232: 1231: 1226: 1224: 1223: 1216: 1209: 1201: 1192: 1191: 1189: 1188: 1178: 1176: 1167: 1166: 1163: 1162: 1160: 1159: 1158: 1157: 1147: 1142: 1137: 1136: 1135: 1130: 1123:Hexosaminidase 1120: 1115: 1110: 1109: 1108: 1098: 1093: 1092: 1091: 1086: 1076: 1071: 1066: 1065: 1064: 1054: 1049: 1048: 1047: 1042: 1035:Galactosidases 1032: 1031: 1030: 1025: 1020: 1015: 1010: 1005: 995: 990: 985: 984: 983: 972: 970: 966: 965: 963: 962: 957: 956: 955: 945: 944: 943: 938: 933: 923: 917: 915: 909: 908: 906: 905: 900: 895: 890: 876: 874: 872:Disaccharidase 865: 855: 854: 844: 842: 841: 834: 827: 819: 800: 797: 796: 795: 788: 787:External links 785: 783: 782: 775: 757: 714: 703: 680:enzyme endo-β- 668: 637: 606: 549: 496: 461: 429: 427: 424: 378: 375: 353:molecular mass 336: 333: 311:which cleaves 273: 272: 269: 268: 263: 257: 256: 251: 245: 244: 239: 233: 232: 224: 223: 212: 205: 204: 199: 193: 192: 187: 181: 180: 175: 169: 168: 163: 157: 156: 151: 145: 144: 139: 133: 132: 128: 127: 58: 54: 53: 48: 42: 41: 36: 30: 29: 25: 24: 13: 10: 9: 6: 4: 3: 2: 1532: 1521: 1518: 1517: 1515: 1505: 1500: 1495: 1491: 1477: 1473: 1472: 1467: 1464: 1460: 1459: 1454: 1451: 1447: 1446: 1441: 1438: 1434: 1433: 1428: 1425: 1421: 1420: 1415: 1412: 1408: 1407: 1402: 1399: 1395: 1394: 1389: 1388: 1386: 1382: 1376: 1373: 1371: 1368: 1366: 1363: 1361: 1358: 1356: 1353: 1352: 1350: 1346: 1340: 1337: 1335: 1334:Enzyme family 1332: 1330: 1327: 1325: 1322: 1321: 1319: 1315: 1309: 1306: 1304: 1301: 1299: 1298:Cooperativity 1296: 1294: 1291: 1290: 1288: 1284: 1278: 1275: 1273: 1270: 1268: 1265: 1263: 1260: 1258: 1257:Oxyanion hole 1255: 1253: 1250: 1248: 1245: 1243: 1240: 1239: 1237: 1233: 1229: 1222: 1217: 1215: 1210: 1208: 1203: 1202: 1199: 1187: 1183: 1180: 1179: 1177: 1173:: Hydrolysing 1172: 1168: 1156: 1153: 1152: 1151: 1148: 1146: 1143: 1141: 1138: 1134: 1131: 1129: 1126: 1125: 1124: 1121: 1119: 1116: 1114: 1111: 1107: 1104: 1103: 1102: 1099: 1097: 1094: 1090: 1089:non-lysosomal 1087: 1085: 1082: 1081: 1080: 1077: 1075: 1072: 1070: 1069:Hyaluronidase 1067: 1063: 1060: 1059: 1058: 1057:Glucuronidase 1055: 1053: 1050: 1046: 1043: 1041: 1038: 1037: 1036: 1033: 1029: 1026: 1024: 1021: 1019: 1016: 1014: 1011: 1009: 1006: 1004: 1001: 1000: 999: 998:Neuraminidase 996: 994: 991: 989: 986: 982: 981:Alpha-amylase 979: 978: 977: 974: 973: 971: 967: 961: 958: 954: 951: 950: 949: 946: 942: 939: 937: 934: 932: 929: 928: 927: 924: 922: 919: 918: 916: 914: 910: 904: 901: 899: 896: 894: 891: 889: 885: 881: 878: 877: 875: 873: 869: 866: 864: 860: 856: 851: 847: 840: 835: 833: 828: 826: 821: 820: 817: 813: 811: 807: 805: 799:Close enzymes 798: 794: 791: 790: 786: 778: 772: 768: 761: 758: 753: 749: 745: 741: 738:(2): 515–22. 737: 733: 729: 725: 718: 715: 712: 707: 704: 699: 695: 691: 687: 683: 679: 672: 669: 664: 660: 657:(3): 818–24. 656: 652: 648: 641: 638: 633: 629: 625: 621: 617: 610: 607: 602: 598: 593: 588: 584: 580: 576: 572: 568: 566: 562: 553: 550: 545: 541: 536: 531: 527: 523: 520:(3): 673–76. 519: 515: 511: 509: 500: 497: 492: 488: 484: 480: 476: 472: 465: 462: 457: 453: 449: 445: 441: 434: 431: 425: 423: 420: 416: 412: 408: 404: 400: 396: 392: 388: 384: 376: 374: 370: 368: 364: 362: 356: 354: 350: 349: 344: 343: 334: 332: 330: 326: 322: 321:glycoproteins 318: 314: 310: 306: 297:glycopeptide- 295: 291: 288: 284: 282: 267: 264: 262: 258: 255: 252: 250: 246: 243: 240: 238: 234: 229: 225: 222: 219: 216: 213: 210: 206: 203: 200: 198: 194: 191: 188: 186: 182: 179: 176: 174: 170: 167: 166:NiceZyme view 164: 162: 158: 155: 152: 150: 146: 143: 140: 138: 134: 129: 126: 122: 118: 114: 110: 106: 102: 98: 94: 90: 86: 82: 78: 74: 70: 62: 59: 55: 52: 49: 47: 43: 40: 37: 35: 31: 26: 22: 17: 1471:Translocases 1468: 1455: 1442: 1429: 1416: 1406:Transferases 1403: 1390: 1247:Binding site 913:Glucosidases 808: 802: 766: 760: 735: 731: 727: 723: 717: 706: 689: 685: 681: 678:Streptomyces 677: 671: 654: 650: 646: 640: 623: 619: 615: 609: 577:(1): 261–4. 574: 570: 564: 560: 552: 517: 513: 507: 499: 482: 478: 474: 470: 464: 447: 443: 439: 433: 417:removes two 402: 380: 371: 366: 360: 357: 346: 340: 338: 327:through the 296: 280: 278: 276: 154:BRENDA entry 124: 120: 116: 112: 108: 104: 100: 96: 92: 88: 84: 80: 76: 72: 64: 60: 20: 1242:Active site 1140:Iduronidase 1074:Pullulanase 450:: 317–323. 277:The enzyme 142:IntEnz view 51:37278-88-9 28:Identifiers 1445:Isomerases 1419:Hydrolases 1286:Regulation 1150:Heparanase 1118:Fucosidase 936:Neutral AB 426:References 391:translated 313:asparagine 211:structures 178:KEGG entry 57:Alt. names 1324:EC number 1084:lysosomal 988:Chitinase 953:cytosolic 941:Neutral C 921:Cellulase 898:Trehalase 888:Invertase 846:Hydrolase 395:ribosomes 131:Databases 1520:EC 3.2.1 1514:Category 1348:Kinetics 1272:Cofactor 1235:Activity 993:Lysozyme 810:PNGase F 290:3.2.1.96 266:proteins 254:articles 242:articles 215:RCSB PDB 39:3.2.1.96 1504:Biology 1458:Ligases 1228:Enzymes 976:Amylase 903:Lactase 893:Maltase 880:Sucrase 752:6437277 698:6429133 663:4204553 601:7378051 592:1161293 535:1161109 491:4152561 419:mannose 403:en bloc 385:in the 202:profile 185:MetaCyc 46:CAS no. 1490:Portal 1432:Lyases 1062:Klotho 773:  750:  696:  661:  630:  599:  589:  544:486141 542:  532:  489:  351:. Its 292:) has 249:PubMed 231:Search 221:PDBsum 161:ExPASy 149:BRENDA 137:IntEnz 34:EC no. 1384:Types 1171:3.2.2 1155:HPSE2 1040:Alpha 969:Other 859:3.2.1 197:PRIAM 1476:list 1469:EC7 1463:list 1456:EC6 1450:list 1443:EC5 1437:list 1430:EC4 1424:list 1417:EC3 1411:list 1404:EC2 1398:list 1391:EC1 1133:HEXB 1128:HEXA 1106:NAGA 1045:Beta 1018:NEU4 1013:NEU3 1008:NEU2 1003:NEU1 931:Acid 852:3.2) 771:ISBN 748:PMID 694:PMID 659:PMID 628:PMID 597:PMID 540:PMID 487:PMID 261:NCBI 218:PDBe 173:KEGG 740:doi 736:141 690:259 655:249 632:389 624:250 587:PMC 579:doi 575:185 530:PMC 522:doi 518:180 483:249 477:". 452:doi 393:by 345:or 237:PMC 209:PDB 65:N,N 1516:: 1184:: 861:: 850:EC 746:. 734:. 688:. 653:. 622:. 595:. 585:. 573:. 569:. 538:. 528:. 516:. 512:. 481:. 448:76 446:. 331:. 287:EC 123:, 119:, 115:, 111:, 107:, 103:, 99:, 95:, 91:, 87:, 83:, 79:, 75:, 71:, 63:, 1492:: 1478:) 1474:( 1465:) 1461:( 1452:) 1448:( 1439:) 1435:( 1426:) 1422:( 1413:) 1409:( 1400:) 1396:( 1220:e 1213:t 1206:v 886:/ 882:/ 838:e 831:t 824:v 779:. 754:. 742:: 728:N 724:N 700:. 682:N 665:. 647:N 634:. 616:N 603:. 581:: 565:N 561:N 546:. 524:: 508:N 493:. 471:N 458:. 454:: 440:N 367:N 361:N 303:D 299:D 285:( 281:N 67:′ 21:N

Index

EC no.
3.2.1.96
CAS no.
37278-88-9
IntEnz
IntEnz view
BRENDA
BRENDA entry
ExPASy
NiceZyme view
KEGG
KEGG entry
MetaCyc
metabolic pathway
PRIAM
profile
PDB
RCSB PDB
PDBe
PDBsum
PMC
articles
PubMed
articles
NCBI
proteins
EC
3.2.1.96
systematic name
endoglycosidase

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