A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-Sep-2019 number of released structures: 10386
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NDB ID: NA0214  PDB ID: 2UXB 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
16A_A10:U24_A120
135A_A32:U552_A120
136A_A33:U551_A120
144A_A53:U358_A120
147A_A55:U368_A221
149A_A60:G107_A60
166A_A109:G324_A1011
189A_A119:U287_A424
1122A_A140:U223_A120
1123A_A141:U222_A120
1125A_A143:G220_A18
1130A_A162:G159_A1011
1139A_A171:C150_A425
1140A_A172:A149_A45
1146A_A179:A196_A45
194A_A243:A282_A45
195A_A246:G281_A911
13A_A300:U565_A50
167A_A327:U323_A424
168A_A329:C322_A425
175A_A338:G351_A18
1179A_A373:G481_A00
1180A_A383:G380_A00
1185A_A389:U375_A120
1189A_A393:U367_A120
1204A_A411:A430_A45
1168A_A439:U494_A424
1169A_A441:G493_A611
1176A_A448:U486_A424
1211A_A452:U480_A424
1212A_A453:C479_A425
1238A_A563:U884_A221
1254A_A583:G758_A1011
1310A_A611:G629_A18
1313A_A614:U626_A120
1258A_A632:G606_A1011
1266A_A640:U598_A120
1272A_A648:U591_A120
1278A_A655:U751_A120
1286A_A663:G742_A18
1297A_A675:A715_A00
1298A_A676:G714_A18
1306A_A684:A706_A10
1309A_A687:G703_A1011
1322A_A722:A733_A21
1276A_A753:U652_A424
1332A_A766:U813_A424
1333A_A768:C811_A00
1342A_A780:A802_A100
1343A_A781:U801_A424
1344A_A782:G800_A1011
1362A_A860:G869_A1011
1369A_A889:A908_A82
1371A_A892:G906_A1011
19A_A914:G21_A911
110A_A915:U13_A323
113A_A918:U17_A120
114A_A919:A16_A10
118A_A923:U1393_A120
128A_A935:U1380_A120
130A_A937:C1378_A60
1403A_A978:A1360_A45
1419A_A986:U1219_A120
1427A_A1041:U1000_A120
1430A_A1044:U997_A10
1432A_A1046:A1213_A00
1438A_A1055:C1200_A425
1491A_A1157:G1178_A610
1388A_A1225:U955_A120
1391A_A1229:U952_A120
1398A_A1236:G945_A18
1500A_A1238:U1301_A424
1501A_A1239:A1299_A00
1506A_A1245:U1292_A120
1509A_A1248:A1289_A00
1510A_A1252:A1285_A21
1516A_A1261:G1274_A00
1404A_A1319:U1315_A424
1406A_A1324:U1313_A120
1411A_A1329:U1308_A10
1414A_A1332:G1305_A100
1415A_A1333:G1304_A911
1378A_A1339:G944_A1011
1379A_A1340:U943_A120
1386A_A1346:A1375_A82
1522A_A1349:G1373_A1011
1523A_A1350:U1372_A120
1530A_A1357:G1365_A18
1544A_A1413:G1487_A18
1547A_A1418:G1482_A1011
1557A_A1428:U1472_A120
1562A_A1434:G1467_A911
1536A_A1499:C1403_A50
1537A_A1500:C1402_A10
1574A_A1507:U1528_A120
1580A_A1513:U1522_A120
137A_C34:G550_A119
139A_C36:G548_A119
142A_C47:G361_A119
145A_C54:G357_A119
152A_C63:G104_A119
154A_C67:G102_A119
158A_C71:G98_A119
159A_C72:G97_A119
161A_C76:G93_A119
197A_C123:G238_A119
1104A_C131:G231_A119
1105A_C132:G230_A119
1118A_C136:G227_A119
1119A_C137:G226_A119
1131A_C163:G158_A10
1133A_C165:G156_A119
1137A_C169:A152_A20
1141A_C174:G148_A119
1142A_C175:G147_A119
1143A_C176:G146_A119
1144A_C177:G145_A119
1145A_C178:G144_A119
1116A_C193:G184_A119
1117A_C194:G183_A119
1129A_C201:G216_A119
190A_C240:G286_A119
191A_C241:G285_A119
192A_C242:G284_A119
193A_C245:C283_A10
1149A_C248:G276_A119
186A_C290:G310_A119
187A_C291:G309_A119
1162A_C295:G302_A119
171A_C334:G319_A119
172A_C335:G318_A119
173A_C336:G317_A119
174A_C337:G316_A119
176A_C339:G350_A119
178A_C341:G348_A119
179A_C342:G347_A10
1182A_C385:G378_A119
1183A_C386:G377_A119
1186A_C390:G371_A119
1191A_C395:G46_A119
1193A_C398:G44_A119
1195A_C400:G42_A119
1196A_C401:G41_A119
1198A_C403:G39_A119
1207A_C417:G426_A119
1208A_C418:G425_A119
1209A_C419:G424_A119
1164A_C435:G407_A10
1165A_C436:G406_A119
1170A_C442:G492_A10
1171A_C443:G491_A10
1172A_C444:G490_A10
1177A_C449:G484_A00
1213A_C454:A477_A40
1214A_C455:G476_A119
1215A_C456:G475_A119
1216A_C457:G474_A119
1217A_C458:G473_A119
1220A_C501:G544_A119
1222A_C503:G542_A119
1223A_C504:G541_A119
1232A_C507:G524_A119
1224A_C511:G540_A119
1226A_C513:G538_A119
1227A_C514:G537_A119
1234A_C522:G527_A119
1241A_C569:G881_A119
1257A_C586:G755_A119
1311A_C612:G628_A119
1312A_C613:G627_A119
1314A_C615:G625_A119
1317A_C618:A622_A20
1260A_C634:G604_A119
1267A_C643:G597_A119
1269A_C645:G594_A119
1271A_C647:G592_A119
1275A_C651:G588_A119
1279A_C656:G750_A119
1301A_C679:G711_A119
1302A_C680:G710_A119
1303A_C681:G709_A119
1319A_C689:G698_A119
1325A_C726:G731_A119
1328A_C762:G579_A119
1330A_C764:G577_A119
1335A_C770:G809_A119
1341A_C779:G803_A119
1345A_C783:G799_A119
1346A_C784:G798_A119
1350A_C817:G1529_A119
1244A_C822:G878_A119
1246A_C824:G876_A119
1248A_C826:G874_A119
1351A_C848:G838_A119
1352A_C849:G837_A119
1359A_C856:G830_A119
1360A_C857:G829_A119
1364A_C862:G867_A119
1372A_C893:U244_A118
1375A_C896:G903_A119
1376A_C897:G902_A119
119A_C924:G1392_A119
124A_C930:G1387_A119
125A_C931:G1386_A119
126A_C932:G1385_A119
1384A_C934:A938_A226
129A_C936:G1379_A119
1401A_C962:G973_A119
1417A_C984:G1221_A10
1418A_C985:G1220_A119
1422A_C989:G1216_A10
1423A_C990:G1215_A10
1447A_C1006:G1023_A119
1448A_C1007:G1022_A00
1454A_C1028:G1033_A119
1455A_C1029:G1032_A10
1456A_C1030:G1031_A119
1424A_C1037:G1003_A00
1425A_C1038:G1002_A00
1429A_C1043:G998_A119
1431A_C1045:G993_A119
1436A_C1051:G1207_A119
1442A_C1059:G1198_A119
1443A_C1060:G1197_A119
1446A_C1063:G1193_A119
1459A_C1069:G1106_A119
1461A_C1071:G1104_A119
1465A_C1075:G1082_A119
1466A_C1076:G1081_A119
1473A_C1113:G1187_A119
1474A_C1114:G1186_A119
1475A_C1115:G1185_A119
1476A_C1116:G1184_A119
1479A_C1118:G1155_A119
1480A_C1119:G1154_A119
1486A_C1128:G1143_A10
1488A_C1132:G1142_A119
1484A_C1149:G1124_A10
1492A_C1158:G1181_A119
1494A_C1161:G1175_A119
1495A_C1162:G1174_A10
1497A_C1165:G1171_A10
1389A_C1226:G954_A119
1390A_C1228:G953_A119
1392A_C1230:G951_A119
1396A_C1234:G947_A119
1399A_C1237:G1337_A119
1503A_C1242:G1295_A119
1504A_C1243:G1294_A119
1505A_C1244:G1293_A119
1507A_C1246:G1291_A119
1512A_C1254:G1283_A119
1514A_C1259:G1276_A119
1515A_C1260:A1275_A60
1517A_C1262:G1273_A119
1518A_C1263:G1272_A119
1519A_C1264:G1271_A119
1407A_C1325:G1312_A119
1408A_C1326:G1311_A00
1409A_C1327:G1310_A119
1410A_C1328:G1309_A119
1381A_C1342:G941_A119
1383A_C1344:G939_A119
1525A_C1352:G1370_A119
1527A_C1354:G1368_A119
1542A_C1411:G1489_A119
1543A_C1412:G1488_A119
1549A_C1420:G1480_A119
1553A_C1424:G1476_A119
1555A_C1426:G1474_A119
1558A_C1429:G1471_A119
1559A_C1430:G1470_A119
1560A_C1431:G1469_A119
1565A_C1437:G1464_A119
1567A_C1439:G1462_A119
1568A_C1440:G1461_A119
1571A_C1444:G1458_A119
1572A_C1445:G1457_A119
1534A_C1496:G1405_A119
1538A_C1501:G1401_A119
1576A_C1509:G1526_A119
1581A_C1514:G1521_A119
1582A_C1515:G1520_A119
11A_G7:U560_A00
15A_G9:C25_A119
17A_G11:C23_A119
131A_G27:C556_A119
132A_G28:C555_A119
133A_G29:C554_A119
138A_G35:C549_A119
143A_G52:U359_A128
148A_G57:C355_A119
150A_G61:C106_A119
153A_G66:C103_A119
155A_G68:A101_A18
156A_G69:C100_A119
157A_G70:U99_A128
160A_G73:U96_A00
162A_G77:C92_A119
163A_G78:C91_A119
164A_G79:U90_A128
165A_G80:C89_A10
180A_G111:G331_A20
181A_G112:A315_A18
182A_G113:C314_A119
184A_G115:C312_A119
196A_G122:U239_A128
198A_G124:C237_A119
1100A_G126:C235_A119
1101A_G127:C234_A119
1102A_G128:C233_A119
1107A_G129A:C189D_A60
1120A_G138:C225_A119
1121A_G139:C224_A119
1124A_G142:C221_A119
1134A_G166:C155_A119
1135A_G167:C154_A119
1136A_G168:C153_A119
1108A_G189H:C189C_A119
1109A_G189I:C189B_A119
1110A_G189J:C189A_A119
1112A_G189L:C188_A119
1114A_G191:C186_A119
1126A_G198:C219_A119
1127A_G199:C218_A119
1128A_G200:C217_A119
1148A_G247:C277_A119
1153A_G254:C272_A119
1154A_G255:C271_A119
1156A_G257:C269_A119
1157A_G258:C268_A119
1158A_G259:C267_A119
1159A_G260:G265_A40
185A_G289:C311_A119
188A_G292:C308_A119
1160A_G293:U304_A128
12A_G299:G566_A36
169A_G332:A321_A18
170A_G333:C320_A119
1181A_G384:C379_A119
1187A_G391:C370_A119
1188A_G392:C369_A119
1190A_G394:C366_A50
1192A_G396:U45_A128
1194A_G399:C43_A119
1197A_G402:C40_A119
1201A_G409:C433_A119
1202A_G410:A432_A1011
1205A_G413:G428_A124
1206A_G416:U427_A128
1167A_G438:A496_A1011
1173A_G445:C489_A119
1174A_G446:C488_A119
1175A_G447:A487_A1011
1178A_G450:C483_A119
1218A_G460:A472_A911
1219A_G500:C545_A119
1221A_G502:C543_A119
1230A_G505:C526_A119
1231A_G506:C525_A119
1228A_G515:C536_A119
1233A_G521:C528_A119
1235A_G530:A1492_A00
14A_G558:A26_A911
1239A_G567:C883_A119
1240A_G568:C882_A119
1251A_G570:C866_A119
1242A_G575:C880_A119
1253A_G581:G760_A40
1255A_G584:U757_A128
1256A_G585:C756_A119
1315A_G616:C624_A119
1316A_G617:C623_A119
1259A_G633:U605_A128
1261A_G635:U603_A128
1263A_G637:C601_A119
1264A_G638:C600_A119
1265A_G639:C599_A119
1268A_G644:C596_A119
1273A_G649:C590_A119
1274A_G650:C589_A119
1277A_G654:C754_A119
1280A_G657:C749_A119
1281A_G658:C747_A119
1283A_G660:C745_A119
1284A_G661:C744_A119
1285A_G662:U743_A128
1287A_G664:G741_A00
1288A_G666:U740_A128
1289A_G667:C739_A119
1290A_G668:C738_A119
1292A_G670:C736_A119
1293A_G671:C735_A119
1295A_G673:C717_A119
1296A_G674:A716_A18
1304A_G682:C708_A119
1305A_G683:C707_A119
1307A_G685:U705_A00
1318A_G688:C699_A119
1320A_G690:U697_A00
1321A_G691:A696_A1011
1323A_G724:A665_A39
1324A_G725:C732_A119
1326A_G727:G730_A00
1327A_G761:U580_A128
1329A_G763:C578_A119
1331A_G765:A816_A00
1334A_G769:C810_A119
1336A_G771:C808_A119
1338A_G773:C806_A119
1339A_G774:C805_A119
1340A_G778:U804_A128
1347A_G785:C797_A119
1348A_G786:C796_A119
1243A_G821:C879_A119
1245A_G823:C877_A119
1247A_G825:C875_A119
1354A_G851:U835_A128
1355A_G852:C834_A119
1356A_G853:U833_A128
1357A_G854:C832_A119
1358A_G855:U831_A128
1361A_G858:A828_A611
1363A_G861:C868_A119
1365A_G885:C912_A119
1366A_G886:U911_A128
1367A_G887:C910_A119
1368A_G888:A909_A911
1373A_G894:U905_A128
1374A_G895:C904_A119
1377A_G898:A901_A00
111A_G916:C19_A119
112A_G917:C18_A119
117A_G922:C1395_A119
120A_G925:U1391_A128
121A_G927:U1390_A128
122A_G928:C1389_A119
123A_G929:C1388_A119
127A_G933:C1384_A119
1402A_G963:C972_A119
1420A_G987:C1218_A119
1421A_G988:C1217_A119
1449A_G1009:U1020_A128
1450A_G1010:C1019_A119
1451A_G1011:C1018_A119
1453A_G1013:A1016_A00
1457A_G1030A:A1030D_A100
1428A_G1042:C999_A119
1433A_G1047:C1210_A119
1434A_G1048:C1209_A119
1435A_G1050:C1208_A10
1440A_G1057:G1053_A36
1441A_G1058:U1199_A128
1444A_G1061:C1195_A10
1458A_G1068:C1107_A119
1462A_G1072:C1103_A119
1464A_G1074:U1083_A128
1467A_G1077:A1080_A00
1469A_G1087:C1098_A119
1470A_G1088:C1097_A119
1471A_G1089:C1096_A119
1477A_G1117:A1180_A50
1481A_G1120:C1153_A119
1485A_G1127:G1144_A13
1487A_G1131:G1139_A00
1489A_G1134:C1141_A119
1478A_G1156:A1179_A610
1493A_G1160:A1176_A18
1496A_G1164:C1172_A119
1498A_G1166:A1170_A00
1499A_G1224:C1363_A119
1393A_G1231:U950_A128
1395A_G1233:C948_A119
1502A_G1241:C1296_A119
1511A_G1253:C1284_A119
1513A_G1255:C1282_A119
1520A_G1265:C1270_A119
1405A_G1323:C1314_A119
1413A_G1331:A1306_A60
1416A_G1334:C1303_A119
1382A_G1343:C940_A119
1526A_G1353:C1369_A119
1528A_G1355:C1367_A119
1529A_G1356:C1366_A119
1541A_G1410:C1490_A119
1546A_G1416:C1484_A10
1548A_G1419:U1481_A128
1550A_G1421:C1479_A10
1551A_G1422:C1478_A10
1552A_G1423:C1477_A119
1561A_G1432:A1468_A100
1563A_G1435:C1466_A119
1566A_G1438:C1463_A119
1569A_G1441:A1460_A911
1570A_G1443:C1459_A119
1532A_G1494:C1407_A119
1535A_G1497:C1404_A119
1539A_G1504:C1399_A119
1540A_G1505:A1502_A00
1575A_G1508:C1527_A119
1578A_G1511:C1524_A119
18A_U12:G22_A128
134A_U30:A553_A120
140A_U37:A397_A221
141A_U49:G362_A50
146A_U56:A356_A120
151A_U62:G105_A128
183A_U114:A313_A120
199A_U125:G236_A128
1103A_U129:G232_A128
1106A_U133:U229_A116
1132A_U164:G157_A10
1138A_U170:A151_A424
1147A_U180:A195_A424
1111A_U189K:G189_A128
1113A_U190:C187_A00
1115A_U192:A185_A120
1150A_U249:G275_A128
1151A_U252:A274_A120
1152A_U253:A273_A120
1155A_U256:A270_A120
1161A_U294:A303_A120
1163A_U296:G301_A128
177A_U340:A349_A120
1184A_U387:G376_A128
1199A_U404:U498_A30
1200A_U405:A499_A323
1210A_U420:G423_A60
1203A_U429:A431_A323
1166A_U437:A495_A424
1225A_U512:A539_A120
1229A_U516:A533_A424
1252A_U571:A865_A120
1262A_U636:A602_A120
1270A_U646:G593_A128
1282A_U659:A746_A120
1291A_U669:A737_A120
1294A_U672:G734_A128
1299A_U677:G713_A10
1300A_U678:A712_A120
1308A_U686:A704_A424
1337A_U772:A807_A120
1349A_U788:A794_A00
1250A_U820:A873_A323
1249A_U827:A872_A221
1353A_U850:G836_A128
1370A_U891:A907_A424
115A_U920:G15_A128
116A_U921:A1396_A120
1387A_U960:U956_A213
1400A_U961:A1201_A221
1452A_U1012:G1017_A128
1426A_U1040:G1001A_A00
1437A_U1052:G1206_A128
1439A_U1056:A1204_A120
1445A_U1062:U1194_A116
1460A_U1070:A1105_A120
1463A_U1073:A1102_A120
1468A_U1086:G1099_A10
1472A_U1090:U1095_A116
1482A_U1121:A1152_A120
1490A_U1135:G1138_A00
1483A_U1150:A1123_A00
1394A_U1232:A949_A120
1397A_U1235:A946_A120
1508A_U1247:G1290_A128
1412A_U1330:U1307_A116
1380A_U1341:G942_A128
1385A_U1345:U1376_A213
1521A_U1348:A1374_A424
1524A_U1351:G1371_A128
1531A_U1358:A1363A_A221
1545A_U1414:G1486_A128
1554A_U1425:G1475_A128
1556A_U1427:A1473_A120
1564A_U1436:C1465_A00
1573A_U1446:G1456_A60
1533A_U1495:U1406_A00
1577A_U1510:G1525_A128
1579A_U1512:G1523_A128
1583X_U4:C35_Y118
1236Y_C36:G2_X10
1237Y_C37:G1_X119

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

Correspondence of Leontis/Westhof names to Saenger numbering (table)