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Neuraminic acid

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33: 305: 454: 24: 1483: 421: 145: 581:. The amino group bears either an acetyl or a glycolyl group. The hydroxyl substituents may vary considerably: acetyl, lactyl, methyl, sulfate and phosphate groups have been found. 584:
The name "neuraminic acid" was introduced by German scientist E. Klenk in 1941, in reference to the brain lipids from which it was derived as a cleavage product.
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Neuraminic acid does not occur naturally, but many of its derivatives are found widely distributed in animal tissues and in bacteria, especially in
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InChI=1S/C9H17NO8/c10-5-3(12)1-9(17,8(15)16)18-7(5)6(14)4(13)2-11/h3-7,11-14,17H,1-2,10H2,(H,15,16)/t3-,4+,5+,6+,7+,9-/m0/s1
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InChI=1/C9H17NO8/c10-5-3(12)1-9(17,8(15)16)18-7(5)6(14)4(13)2-11/h3-7,11-14,17H,1-2,10H2,(H,15,16)/t3-,4+,5+,6+,7+,9-/m0/s1
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at position 3 is deoxidised (oxygen is removed from it), and the hydroxyl group at position 5 is substituted with an
319: 441: 229: 32: 503:. Although 9-carbon sugars do not occur naturally, neuraminic acid may be regarded as a theoretical 9-carbon 71: 512: 262: 192: 740: 283: 185: 675: 648: 300: 807: 223: 1300: 640: 575: 1486: 1294: 733: 1507: 1288: 45: 614:
viruses have a neuraminidase enzyme, signified in the name "H#N#", where the H refers to an
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Blanco, Antonio; Blanco, Gustavo (2017-01-01), Blanco, Antonio; Blanco, Gustavo (eds.),
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Klenk, E. 1941. Neuraminsäure, das Spaltprodukt eines neuen Gehirnlipoids.
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Among their many biological functions, these structures are substrates for
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Except where otherwise noted, data are given for materials in their
1415: 1376: 1361: 1334: 1283: 1217: 1090: 1085: 1070: 1055: 971: 966: 786: 781: 603:-acetylneuraminic acid, Neu5Ac, is typical in human glycoproteins. 144: 1457: 1437: 1405: 1380: 1370: 1366: 1344: 1207: 1202: 1192: 1102: 1065: 1060: 1038: 1023: 1013: 930: 908: 892: 615: 238: 1447: 1442: 1432: 1409: 1386: 1354: 1141: 1136: 1080: 1043: 1028: 1008: 995: 956: 951: 946: 859: 812: 802: 776: 771: 535:). Neuraminic acid may also be visualized as the product of an 504: 176: 1033: 836: 588: 156: 134: 288: 611: 610:
enzymes which cleave neuraminic acid residues. Human
1499: 574:, the predominant form in mammalian cells being 250: 120: 741: 507:in which the first link of the chain (the –CH 673: 755: 748: 734: 303: 211: 270: 452: 299: 228: 1500: 729: 331:Key: CERZMXAJYMMUDR-YOQZMRDMSA-N 191: 184: 164: 669: 667: 591:symbol used for neuraminic acid is 341:Key: CERZMXAJYMMUDR-YOQZMRDMBH 241: 13: 688:10.1016/b978-0-12-803550-4.00004-5 682:, Academic Press, pp. 73–97, 14: 1529: 664: 1482: 1481: 419: 31: 22: 499:with a backbone formed by nine 415:(at 25 °C , 100 kPa). 98:pentahydroxy-2-oxononanoic acid 709: 622:and N refers to an isoform of 458:Two-dimensional representation 1: 657: 362:O=C(O)1(O)O((O)(O)CO)(N)(O)C1 551:(2-amino-2-deoxy-mannose). 487:-non-2-ulosonic acid) is an 7: 717:Zeitschr. f. Physiol. Chem. 676:"Chapter 4 - Carbohydrates" 629: 405:267.233 g/mol 10: 1534: 1513:Monosaccharide derivatives 460:of neuraminic acid in its 1477: 1315: 1272: 1254: 1226: 1168: 1161: 1129: 1101: 994: 929: 891: 858: 835: 826: 795: 764: 409: 370: 350: 315: 104: 70: 44: 39: 30: 21: 808:Cyclohexane conformation 652:-Glycolylneuraminic acid 1301:Isomaltooligosaccharide 1295:Galactooligosaccharide 644:-Acetylneuraminic acid 579:-acetylneuraminic acid 465: 1289:Fructooligosaccharide 471:(5-amino-3,5-dideoxy- 456: 72:Systematic IUPAC name 680:Medical Biochemistry 96:)-5-Amino-4,6,7,8,9- 65:-non-2-ulosonic acid 49:5-Amino-3,5-dideoxy- 624:viral neuraminidase 18: 537:aldol-condensation 466: 442:Infobox references 16: 1495: 1494: 1473: 1472: 1157: 1156: 697:978-0-12-803550-4 546: 482: 474: 450:Chemical compound 448: 447: 284:CompTox Dashboard 146:Interactive image 1525: 1485: 1484: 1276:oligosaccharides 1256:Tetrasaccharides 1166: 1165: 881:Dihydroxyacetone 833: 832: 750: 743: 736: 727: 726: 720: 719:1941; 268:50-58. 713: 707: 706: 705: 704: 671: 544: 523:(–C(=O)OH), the 497:amino sugar 480: 472: 432: 426: 423: 422: 378:Chemical formula 308: 307: 292: 290: 274: 254: 243: 232: 230:Neuraminic+Acids 215: 195: 188: 168: 148: 124: 97: 60: 52: 35: 26: 19: 17:Neuraminic acid 15: 1533: 1532: 1528: 1527: 1526: 1524: 1523: 1522: 1498: 1497: 1496: 1491: 1469: 1330:Oat beta-glucan 1317:Polysaccharides 1311: 1274: 1268: 1250: 1222: 1153: 1147:Neuraminic acid 1125: 1097: 990: 925: 887: 854: 828:Monosaccharides 822: 791: 760: 754: 724: 723: 714: 710: 702: 700: 698: 672: 665: 660: 632: 599:. For example, 534: 510: 491:(in particular 469:Neuraminic acid 451: 444: 439: 438: 437:  ?) 428: 424: 420: 416: 394: 390: 386: 380: 366: 363: 358: 357: 346: 343: 342: 339: 333: 332: 329: 323: 322: 311: 301:DTXSID401316250 293: 286: 277: 257: 244: 218: 198: 171: 151: 138: 127: 114: 100: 99: 66: 58: 50: 12: 11: 5: 1531: 1521: 1520: 1515: 1510: 1493: 1492: 1490: 1489: 1478: 1475: 1474: 1471: 1470: 1468: 1467: 1462: 1461: 1460: 1455: 1445: 1440: 1435: 1430: 1428:Levan beta 2→6 1425: 1420: 1419: 1418: 1402: 1391: 1390: 1389: 1373: 1364: 1359: 1358: 1357: 1352: 1347: 1342: 1337: 1332: 1321: 1319: 1313: 1312: 1310: 1309: 1304: 1298: 1292: 1286: 1280: 1278: 1270: 1269: 1267: 1266: 1260: 1258: 1252: 1251: 1249: 1248: 1243: 1238: 1232: 1230: 1228:Trisaccharides 1224: 1223: 1221: 1220: 1215: 1210: 1205: 1200: 1195: 1190: 1185: 1180: 1174: 1172: 1163: 1159: 1158: 1155: 1154: 1152: 1151: 1150: 1149: 1139: 1133: 1131: 1127: 1126: 1124: 1123: 1122: 1121: 1116: 1114:Mannoheptulose 1107: 1105: 1099: 1098: 1096: 1095: 1094: 1093: 1088: 1083: 1075: 1074: 1073: 1068: 1063: 1058: 1048: 1047: 1046: 1041: 1036: 1031: 1026: 1021: 1016: 1011: 1000: 998: 992: 991: 989: 988: 987: 986: 976: 975: 974: 969: 961: 960: 959: 954: 949: 944: 935: 933: 927: 926: 924: 923: 922: 921: 913: 912: 911: 906: 897: 895: 889: 888: 886: 885: 884: 883: 875: 874: 873: 871:Glyceraldehyde 864: 862: 856: 855: 853: 852: 851: 850: 848:Glycolaldehyde 841: 839: 830: 824: 823: 821: 820: 815: 810: 805: 799: 797: 793: 792: 790: 789: 784: 779: 774: 768: 766: 762: 761: 753: 752: 745: 738: 730: 722: 721: 708: 696: 662: 661: 659: 656: 655: 654: 646: 638: 631: 628: 532: 525:hydroxyl group 521:carboxyl group 508: 462:straight chain 449: 446: 445: 440: 418: 417: 413:standard state 410: 407: 406: 403: 397: 396: 392: 388: 384: 381: 376: 373: 372: 368: 367: 365: 364: 361: 353: 352: 351: 348: 347: 345: 344: 340: 337: 336: 334: 330: 327: 326: 318: 317: 316: 313: 312: 310: 309: 296: 294: 282: 279: 278: 276: 275: 267: 265: 259: 258: 256: 255: 247: 245: 237: 234: 233: 226: 220: 219: 217: 216: 208: 206: 200: 199: 197: 196: 189: 181: 179: 173: 172: 170: 169: 161: 159: 153: 152: 150: 149: 141: 139: 132: 129: 128: 126: 125: 117: 115: 110: 107: 106: 102: 101: 75: 74: 68: 67: 48: 42: 41: 37: 36: 28: 27: 9: 6: 4: 3: 2: 1530: 1519: 1516: 1514: 1511: 1509: 1506: 1505: 1503: 1488: 1480: 1479: 1476: 1466: 1463: 1459: 1456: 1454: 1451: 1450: 1449: 1446: 1444: 1441: 1439: 1436: 1434: 1431: 1429: 1426: 1424: 1423:Hemicellulose 1421: 1417: 1414: 1413: 1412: 1411: 1407: 1403: 1401: 1400: 1396: 1392: 1388: 1385: 1384: 1383: 1382: 1378: 1374: 1372: 1368: 1365: 1363: 1360: 1356: 1353: 1351: 1348: 1346: 1343: 1341: 1338: 1336: 1333: 1331: 1328: 1327: 1326: 1323: 1322: 1320: 1318: 1314: 1308: 1305: 1302: 1299: 1296: 1293: 1290: 1287: 1285: 1282: 1281: 1279: 1277: 1271: 1265: 1262: 1261: 1259: 1257: 1253: 1247: 1244: 1242: 1239: 1237: 1234: 1233: 1231: 1229: 1225: 1219: 1216: 1214: 1211: 1209: 1206: 1204: 1201: 1199: 1196: 1194: 1191: 1189: 1186: 1184: 1181: 1179: 1176: 1175: 1173: 1171: 1170:Disaccharides 1167: 1164: 1160: 1148: 1145: 1144: 1143: 1140: 1138: 1135: 1134: 1132: 1128: 1120: 1119:Sedoheptulose 1117: 1115: 1112: 1111: 1110:Ketoheptoses 1109: 1108: 1106: 1104: 1100: 1092: 1089: 1087: 1084: 1082: 1079: 1078: 1077:Deoxy sugars 1076: 1072: 1069: 1067: 1064: 1062: 1059: 1057: 1054: 1053: 1052: 1049: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1015: 1012: 1010: 1007: 1006: 1005: 1002: 1001: 999: 997: 993: 985: 982: 981: 980: 977: 973: 970: 968: 965: 964: 963:Ketopentoses 962: 958: 955: 953: 950: 948: 945: 943: 940: 939: 938:Aldopentoses 937: 936: 934: 932: 928: 920: 917: 916: 914: 910: 907: 905: 902: 901: 900:Aldotetroses 899: 898: 896: 894: 890: 882: 879: 878: 876: 872: 869: 868: 866: 865: 863: 861: 857: 849: 846: 845: 843: 842: 840: 838: 834: 831: 829: 825: 819: 816: 814: 811: 809: 806: 804: 801: 800: 798: 794: 788: 785: 783: 780: 778: 775: 773: 770: 769: 767: 763: 759: 758:carbohydrates 751: 746: 744: 739: 737: 732: 731: 728: 718: 712: 699: 693: 689: 685: 681: 677: 670: 668: 663: 653: 651: 647: 645: 643: 639: 637: 634: 633: 627: 625: 621: 620:hemagglutinin 617: 613: 609: 608:neuraminidase 604: 602: 598: 594: 590: 585: 582: 580: 578: 573: 569: 565: 561: 557: 556:glycoproteins 552: 550: 542: 538: 530: 526: 522: 518: 514: 506: 502: 498: 494: 490: 486: 478: 470: 463: 459: 455: 443: 436: 431: 414: 408: 404: 402: 399: 398: 382: 379: 375: 374: 369: 360: 359: 356: 349: 335: 325: 324: 321: 314: 306: 302: 298: 297: 295: 285: 281: 280: 273: 269: 268: 266: 264: 261: 260: 253: 249: 248: 246: 240: 236: 235: 231: 227: 225: 222: 221: 214: 210: 209: 207: 205: 202: 201: 194: 193:ChEMBL1234621 190: 187: 183: 182: 180: 178: 175: 174: 167: 163: 162: 160: 158: 155: 154: 147: 143: 142: 140: 136: 131: 130: 123: 119: 118: 116: 113: 109: 108: 103: 95: 91: 87: 83: 79: 73: 69: 64: 56: 47: 43: 38: 34: 29: 25: 20: 1508:Amino sugars 1404: 1393: 1375: 1307:Maltodextrin 1188:Isomaltulose 1146: 979:Deoxy sugars 915:Ketotetrose 818:Mutarotation 716: 711: 701:, retrieved 679: 649: 641: 605: 600: 597:sialic acids 592: 586: 583: 576: 572:sialic acids 567: 563: 560:gangliosides 553: 541:pyruvic acid 501:carbon atoms 484: 476: 468: 467: 186:ChEMBL165084 105:Identifiers 93: 89: 85: 81: 77: 62: 54: 1518:Sugar acids 1465:Xanthan gum 1453:Amylopectin 1325:Beta-glucan 1236:Maltotriose 1051:Ketohexoses 1004:Aldohexoses 984:Deoxyribose 919:Erythrulose 877:Ketotriose 867:Aldotriose 636:Sialic acid 549:mannosamine 529:amino group 371:Properties 166:CHEBI:49022 1502:Categories 1241:Melezitose 1183:Isomaltose 1178:Cellobiose 844:Aldodiose 703:2020-12-16 658:References 513:position 1 401:Molar mass 272:L4866H38XY 204:ChemSpider 133:3D model ( 112:CAS Number 46:IUPAC name 1395:Galactose 1350:Cellulose 1340:Sizofiran 1264:Stachyose 1246:Raffinose 1213:Trehalose 1198:Lactulose 1019:Galactose 942:Arabinose 904:Erythrose 756:Types of 1487:Category 1416:Glycogen 1399:Galactan 1377:Fructose 1362:Chitosan 1335:Lentinan 1284:Acarbose 1218:Turanose 1162:Multiple 1103:Heptoses 1091:Rhamnose 1086:Fuculose 1071:Tagatose 1056:Fructose 972:Xylulose 967:Ribulose 931:Pentoses 893:Tetroses 796:Geometry 787:Pyranose 782:Furanose 630:See also 517:oxidised 493:ulosonic 122:114-04-5 1458:Amylose 1406:Glucose 1381:Fructan 1371:Dextran 1367:Dextrin 1345:Zymosan 1208:Sucrose 1203:Maltose 1193:Lactose 1142:Nonoses 1137:Octoses 1130:Above 7 1066:Sorbose 1061:Psicose 1039:Mannose 1024:Glucose 1014:Altrose 996:Hexoses 909:Threose 860:Trioses 765:General 616:isoform 519:into a 485:galacto 477:glycero 435:what is 433: ( 395: 239:PubChem 63:galacto 55:glycero 1448:Starch 1443:Pectin 1438:Mannan 1433:Lignin 1410:Glucan 1387:Inulin 1355:Chitin 1081:Fucose 1044:Talose 1029:Gulose 1009:Allose 957:Xylose 952:Ribose 947:Lyxose 837:Dioses 813:Epimer 803:Anomer 777:Ketose 772:Aldose 694:  562:. The 511:OH at 505:ketose 489:acidic 430:verify 427:  355:SMILES 252:513472 213:447972 177:ChEMBL 40:Names 1303:(IMO) 1297:(GOS) 1291:(FOS) 1273:Other 1034:Idose 589:IUPAC 566:- or 515:) is 464:form. 320:InChI 157:ChEBI 135:JSmol 692:ISBN 587:The 558:and 543:and 531:(–NH 263:UNII 224:MeSH 684:doi 618:of 612:flu 593:Neu 539:of 289:EPA 242:CID 1504:: 1408:/ 1397:/ 1379:/ 1369:/ 690:, 678:, 666:^ 626:. 495:) 391:NO 389:17 92:,8 88:,7 84:,6 80:,5 76:(4 749:e 742:t 735:v 686:: 650:N 642:N 601:N 577:N 568:O 564:N 547:- 545:D 533:2 509:2 483:- 481:D 479:- 475:- 473:D 425:N 393:8 387:H 385:9 383:C 291:) 287:( 137:) 94:R 90:S 86:R 82:R 78:S 61:- 59:d 57:- 53:- 51:d

Index



IUPAC name
Systematic IUPAC name
CAS Number
114-04-5
JSmol
Interactive image
ChEBI
CHEBI:49022
ChEMBL
ChEMBL165084
ChEMBL1234621
ChemSpider
447972
MeSH
Neuraminic+Acids
PubChem
513472
UNII
L4866H38XY
CompTox Dashboard
DTXSID401316250
Edit this at Wikidata
InChI
SMILES
Chemical formula
Molar mass
standard state
verify

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