A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 30-Nov-2022 number of released structures: 12490
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NDB ID: NA2281  PDB ID: 4JI3 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
14A_A10:U24_A120
140A_A32:U552_A120
141A_A33:U551_A120
149A_A53:U358_A120
154A_A55:U368_A221
171A_A109:G324_A1011
195A_A119:U287_A424
1117A_A140:U223_A120
1118A_A141:U222_A120
1120A_A143:G220_A18
1144A_A149:A172_A45
1146A_A151:U170_A424
1147A_A152:C169_A20
1137A_A195:U180_A424
1138A_A196:A179_A45
1100A_A243:A282_A45
1101A_A246:G281_A1011
1171A_A300:U565_A00
172A_A327:U323_A424
173A_A329:C322_A425
180A_A338:G351_A18
1175A_A393:U367_A120
1211A_A430:A411_A45
1212A_A431:U429_A323
1213A_A432:G410_A1011
1220A_A439:U495_A424
1221A_A440:G494_A1011
1228A_A448:U486_A424
1231A_A452:U480_A424
1232A_A453:C479_A425
1186A_A499:U405_A323
1197A_A520:A533_A00
1244A_A563:U884_A221
1323A_A611:G629_A18
1326A_A614:U626_A120
1270A_A632:G606_A1011
1278A_A640:U598_A120
1279A_A642:U641_A00
1285A_A648:U591_A120
1291A_A655:U751_A120
1299A_A663:G742_A18
1310A_A675:A715_A00
1311A_A676:G714_A18
1319A_A684:A706_A10
1322A_A687:G703_A1011
1335A_A722:A733_A21
1289A_A753:U652_A424
1263A_A759:U582_A424
1340A_A766:U813_A424
1341A_A768:C811_A00
1350A_A780:A802_A60
1351A_A781:U801_A424
1352A_A782:G800_A1011
1369A_A860:G869_A1011
1376A_A889:A908_A82
1378A_A892:G906_A1011
17A_A914:G21_A911
111A_A918:U17_A120
112A_A919:A16_A10
116A_A923:U1393_A120
126A_A935:U1380_A120
128A_A937:C1378_A60
129A_A938:C934_A00
1415A_A978:A1360_A45
1419A_A986:U1219_A120
1431A_A1001:U1040_A10
1450A_A1055:C1200_A425
1485A_A1123:U1150_A10
1493A_A1157:G1178_A610
1500A_A1176:G1182_A00
1479A_A1179:G1156_A610
1386A_A1225:U955_A120
1389A_A1229:U952_A120
1396A_A1236:G945_A18
1502A_A1238:U1301_A424
1503A_A1239:A1299_A00
1509A_A1245:U1292_A120
1513A_A1252:A1285_A21
1405A_A1306:G1331_A911
1525A_A1346:A1375_A82
1527A_A1349:G1373_A911
1528A_A1350:U1372_A120
1535A_A1357:G1365_A18
1541A_A1460:G1441_A911
1549A_A1468:G1432_A100
1554A_A1473:U1427_A00
1564A_A1483:G1417_A100
1577A_A1499:C1403_A00
1578A_A1500:4OC1402_A10
1582A_A1507:U1528_A120
1588A_A1513:U1522_A120
142A_C34:G550_A119
144A_C36:G548_A119
147A_C47:G361_A119
150A_C54:G357_A119
153A_C58:G354_A119
157A_C63:G104_A119
159A_C67:G102_A119
163A_C73:G97_A119
164A_C74:G96_A119
166A_C76:G93_A119
1103A_C123:G238_A119
1110A_C131:G231_A119
1111A_C132:G230_A119
1113A_C136:G227_A119
1114A_C137:G226_A119
1145A_C150:A171_A425
1148A_C153:G168_A119
1149A_C154:G167_A119
1150A_C155:G166_A10
1134A_C193:G184_A119
1135A_C194:G183_A119
1124A_C201:G216_A10
196A_C240:G286_A119
197A_C241:G285_A119
198A_C242:G284_A119
199A_C245:C283_A10
1155A_C248:G276_A119
192A_C290:G310_A119
193A_C291:G309_A119
1168A_C295:G302_A119
176A_C334:G319_A119
177A_C335:G318_A119
178A_C336:G317_A119
179A_C337:G316_A119
181A_C339:G350_A119
183A_C341:G348_A119
184A_C342:G347_A119
1203A_C379:G384_A119
1172A_C390:G371_A119
1177A_C395:G46_A119
1179A_C398:G44_A119
1181A_C400:G42_A119
1182A_C401:G41_A119
1184A_C403:G39_A119
1214A_C433:G409_A119
1216A_C435:G407_A119
1217A_C436:G406_A119
1222A_C442:G492_A119
1223A_C443:G491_A119
1224A_C444:G490_A119
1229A_C449:G484_A00
1233A_C454:A478_A00
1234A_C455:G477_A119
1235A_C456:G476_A119
1236A_C457:G475_A119
1237A_C458:G474_A10
1188A_C501:G544_A119
1190A_C503:G542_A119
1191A_C504:G541_A119
1241A_C507:G524_A119
1242A_C508:A510_A00
1192A_C511:G540_A119
1194A_C513:G538_A119
1195A_C514:G537_A119
1243A_C522:7MG527_A119
1247A_C569:G881_A119
1324A_C612:G628_A119
1325A_C613:G627_A119
1327A_C615:G625_A119
1330A_C618:A622_A20
1272A_C634:G604_A119
1280A_C643:G597_A119
1282A_C645:G594_A119
1284A_C647:G592_A119
1288A_C651:G588_A119
1292A_C656:G750_A119
1314A_C679:G711_A119
1315A_C680:G710_A119
1316A_C681:G709_A119
1332A_C689:G698_A119
1338A_C726:G731_A119
1260A_C756:G585_A119
1266A_C762:G579_A119
1268A_C764:G577_A119
1343A_C770:G809_A119
1349A_C779:G803_A119
1353A_C783:G799_A119
1354A_C784:G798_A10
1358A_C817:G1529_A119
1250A_C822:G878_A119
1252A_C824:G876_A119
1254A_C826:G874_A119
1362A_C832:G854_A119
1364A_C834:G852_A119
1371A_C862:G867_A119
1379A_C893:U244_A118
1382A_C896:G903_A119
1383A_C897:G902_A119
117A_C924:G1392_A119
122A_C930:G1387_A119
123A_C931:G1386_A119
124A_C932:G1385_A119
127A_C936:G1379_A10
131A_C940:G1343_A119
1399A_C962:G973_A119
1416A_C979:C1317_A00
1417A_C984:G1221_A10
1418A_C985:G1220_A119
1422A_C989:G1216_A119
1423A_C990:G1215_A119
1425A_C995:A1046_A50
1429A_C999:G1042_A119
1434A_C1006:G1024_A00
1435A_C1008:G1021_A00
1441A_C1027:A1035_A10
1442A_C1028:G1033_A00
1443A_C1029:G1032_A119
1444A_C1030:G1031_A10
1448A_C1051:2MG1207_A10
1454A_C1059:G1198_A119
1455A_C1060:G1197_A119
1458A_C1063:G1193_A119
1460A_C1066:A1191_A00
1462A_C1069:G1106_A119
1464A_C1071:G1104_A119
1468A_C1075:G1082_A119
1469A_C1076:G1081_A119
1475A_C1113:G1187_A119
1476A_C1114:G1186_A119
1477A_C1115:G1185_A119
1478A_C1116:G1184_A119
1480A_C1118:G1155_A119
1481A_C1119:G1154_A119
1488A_C1128:G1143_A00
1496A_C1172:G1164_A119
1387A_C1226:G954_A119
1388A_C1228:G953_A119
1390A_C1230:G951_A119
1394A_C1234:G947_A119
1397A_C1237:G1337_A119
1506A_C1242:G1295_A119
1507A_C1243:G1294_A119
1508A_C1244:G1293_A119
1510A_C1246:G1291_A119
1512A_C1249:A1288_A425
1515A_C1254:G1283_A119
1518A_C1259:G1276_A119
1519A_C1260:G1274_A119
1520A_C1262:G1273_A119
1521A_C1263:G1272_A119
1522A_C1264:G1271_A119
1504A_C1297:C1298_A30
1402A_C1303:G1334_A119
1413A_C1314:G1323_A119
1530A_C1352:G1370_A119
1532A_C1354:G1368_A119
1540A_C1459:G1447_A119
1544A_C1463:G1438_A119
1546A_C1465:U1436_A00
1547A_C1466:G1435_A119
1558A_C1477:G1423_A119
1559A_C1478:G1422_A00
1560A_C1479:G1421_A10
1565A_C1484:G1416_A10
1571A_C1490:G1410_A119
1575A_C1496:G1405_A10
1579A_C1501:G1401_A119
1584A_C1509:G1526_A119
1589A_C1514:G1521_A119
1590A_C1515:G1520_A119
11A_G7:U560_A00
13A_G9:C25_A119
15A_G11:C23_A119
136A_G27:C556_A119
137A_G28:C555_A119
138A_G29:C554_A119
143A_G35:C549_A119
148A_G52:U359_A128
152A_G57:C355_A119
155A_G61:C106_A119
158A_G66:C103_A119
160A_G68:A101_A18
161A_G69:C99_A119
162A_G70:U98_A128
165A_G75:U95_A128
167A_G77:C92_A10
168A_G78:C91_A119
169A_G79:U90_A128
170A_G80:C89_A119
186A_G111:G331_A10
187A_G112:A315_A18
188A_G113:C314_A119
190A_G115:C312_A119
1102A_G122:U239_A128
1104A_G124:C237_A119
1106A_G126:C235_A119
1107A_G127:C234_A119
1108A_G128:C233_A119
1125A_G129A:C190C_A60
1115A_G138:C225_A119
1116A_G139:C224_A119
1119A_G142:C221_A119
1139A_G144:C178_A119
1140A_G145:C177_A119
1141A_G146:C176_A10
1142A_G147:C175_A10
1143A_G148:C174_A119
1151A_G156:C165_A119
1152A_G157:U164_A128
1153A_G159:A162_A00
1136A_G181:U182_A00
1126A_G190G:C190B_A119
1127A_G190H:C190A_A119
1128A_G190I:C190_A119
1130A_G190K:C188_A119
1132A_G191:C186_A119
1121A_G198:C219_A119
1122A_G199:C218_A119
1123A_G200:C217_A119
1154A_G247:C277_A119
1159A_G254:C272_A119
1160A_G255:C271_A119
1162A_G257:C269_A119
1163A_G258:C268_A119
1164A_G259:C267_A119
1165A_G260:G265_A40
191A_G289:C311_A119
194A_G292:C308_A119
1166A_G293:U304_A128
1170A_G299:G566_A36
174A_G332:A321_A18
175A_G333:C320_A119
1200A_G376:U387_A128
1201A_G377:C386_A10
1202A_G378:C385_A119
1204A_G380:A383_A00
1173A_G391:C370_A119
1174A_G392:C369_A119
1176A_G394:C366_A50
1178A_G396:U45_A128
1180A_G399:C43_A119
1183A_G402:C40_A119
1205A_G423:U420_A60
1206A_G424:C419_A119
1207A_G425:C418_A119
1208A_G426:C417_A119
1210A_G428:A415_A00
1219A_G438:A497_A1011
1225A_G445:C489_A119
1226A_G446:C488_A119
1227A_G447:A487_A1011
1230A_G450:C483_A119
1238A_G459:A463_A911
1187A_G500:C545_A119
1189A_G502:C543_A119
1239A_G505:C526_A119
1240A_G506:C525_A119
1196A_G515:C536_A119
1198A_G521:C528_A119
12A_G558:A26_A911
1245A_G567:C883_A119
1246A_G568:C882_A119
1257A_G570:C866_A119
1248A_G575:C880_A119
1328A_G616:C624_A119
1329A_G617:C623_A119
1271A_G633:U605_A128
1273A_G635:U603_A128
1275A_G637:C601_A119
1276A_G638:C600_A119
1277A_G639:C599_A119
1281A_G644:C596_A119
1286A_G649:C590_A119
1287A_G650:C589_A119
1290A_G654:C754_A119
1293A_G657:C749_A119
1294A_G658:C747_A119
1296A_G660:C745_A119
1297A_G661:C744_A119
1298A_G662:U743_A128
1300A_G664:G741_A00
1301A_G666:U740_A128
1302A_G667:C739_A119
1303A_G668:C738_A119
1305A_G670:C736_A119
1306A_G671:C735_A119
1308A_G673:C717_A119
1309A_G674:A716_A18
1317A_G682:C708_A119
1318A_G683:C707_A119
1320A_G685:U705_A00
1331A_G688:C699_A119
1333A_G690:U697_A00
1334A_G691:A696_A100
1336A_G724:A665_A39
1337A_G725:C732_A119
1339A_G727:G730_A00
1259A_G755:C586_A119
1262A_G758:A583_A1011
1264A_G760:G581_A40
1265A_G761:U580_A128
1267A_G763:C578_A119
1269A_G765:A816_A00
1342A_G769:C810_A119
1344A_G771:C808_A119
1346A_G773:C806_A119
1347A_G774:C805_A119
1348A_G778:U804_A128
1355A_G785:C797_A119
1356A_G786:C796_A119
1249A_G821:C879_A119
1251A_G823:C877_A119
1253A_G825:C875_A119
1359A_G829:C857_A119
1360A_G830:C856_A119
1366A_G836:U850_A128
1367A_G837:C849_A119
1368A_G838:C848_A119
1370A_G861:C868_A119
1372A_G885:C912_A119
1373A_G886:U911_A128
1374A_G887:C910_A119
1375A_G888:A909_A1011
1380A_G894:U905_A128
1381A_G895:C904_A119
1384A_G898:A901_A00
19A_G916:C19_A119
110A_G917:C18_A119
115A_G922:C1395_A119
118A_G925:U1391_A128
119A_G927:U1390_A128
120A_G928:C1389_A119
121A_G929:C1388_A119
125A_G933:C1384_A119
130A_G939:C1344_A119
132A_G941:C1342_A119
133A_G942:U1341_A128
135A_G944:A1339_A1011
1400A_G963:C972_A119
1420A_G987:C1218_A10
1421A_G988:C1217_A119
1426A_G993:C1045_A10
1428A_G998:C1043_A10
1432A_G1002:C1039_A00
1433A_G1003A:C1038_A50
1436A_G1009:U1020_A10
1437A_G1010:C1019_A10
1438A_G1011:C1018_A10
1440A_G1013:A1016_A00
1445A_G1047:C1210_A119
1446A_G1048:C1209_A119
1447A_G1050:C1208_A119
1452A_G1057:C1203_A119
1453A_G1058:U1199_A128
1456A_G1061:C1195_A119
1459A_G1064:C1192_A00
1461A_G1068:C1107_A119
1465A_G1072:C1103_A119
1467A_G1074:U1083_A128
1471A_G1087:C1098_A119
1472A_G1088:C1097_A119
1473A_G1089:C1096_A119
1482A_G1120:C1153_A119
1486A_G1124:C1149_A10
1490A_G1133:C1141_A119
1491A_G1134:C1140_A119
1489A_G1139:G1142_A36
1494A_G1160:G1177_A00
1495A_G1171:C1165_A00
1497A_G1173:C1163_A119
1498A_G1174:C1162_A119
1499A_G1175:C1161_A119
1501A_G1224:C1362_A10
1391A_G1231:U950_A128
1393A_G1233:C948_A119
1505A_G1241:C1296_A119
1514A_G1253:C1284_A119
1516A_G1255:C1282_A119
1517A_G1258:C1277_A119
1523A_G1265:C1270_A119
1403A_G1304:A1333_A1011
1404A_G1305:A1332_A1011
1408A_G1309:C1328_A119
1409A_G1310:C1327_A119
1410A_G1311:C1326_A119
1411A_G1312:C1325_A119
1531A_G1353:C1369_A119
1533A_G1355:C1367_A10
1534A_G1356:C1366_A119
1537A_G1453:U1450_A60
1538A_G1454:C1449_A119
1539A_G1455:C1448_A119
1542A_G1461:C1440_A119
1543A_G1462:C1439_A119
1545A_G1464:C1437_A119
1548A_G1467:A1433_A100
1550A_G1469:C1431_A119
1551A_G1470:C1430_A119
1552A_G1471:C1429_A119
1555A_G1474:C1426_A119
1556A_G1475:U1425_A128
1557A_G1476:C1424_A119
1561A_G1480:C1420_A119
1563A_G1482:A1418_A1011
1567A_G1486:U1414_A128
1568A_G1487:A1413_A18
1569A_G1488:C1412_A119
1570A_G1489:C1411_A119
1572A_G1491:C1409_A10
1573A_G1494:5MC1407_A119
1576A_G1497:5MC1404_A119
1580A_G1504:C1399_A119
1581A_G1505:A1502_A50
1583A_G1508:C1527_A119
1586A_G1511:C1524_A119
1591A_G1516:MA61519_A00
1401A_M2G966:5MC1400_A00
16A_U12:G22_A128
18A_U13:U20_A00
139A_U30:A553_A120
145A_U37:A397_A221
146A_U49:U365_A40
151A_U56:A356_A120
156A_U62:G105_A128
189A_U114:A313_A120
1105A_U125:G236_A128
1109A_U129:G232_A128
1112A_U133:U229_A116
1129A_U190J:G189_A128
1131A_U190L:C187_A00
1133A_U192:A185_A120
1156A_U249:G275_A128
1157A_U252:A274_A120
1158A_U253:A273_A120
1161A_U256:A270_A120
1167A_U294:A303_A120
1169A_U296:G301_A128
182A_U340:A349_A120
185A_U343:G346_A60
1199A_U375:A389_A120
1185A_U404:U498_A30
1209A_U427:G416_A128
1215A_U434:A408_A120
1218A_U437:A496_A424
1193A_U512:A539_A120
1258A_U571:A865_A120
1274A_U636:A602_A120
1283A_U646:G593_A128
1295A_U659:A746_A120
1304A_U669:A737_A120
1307A_U672:G734_A128
1312A_U677:G713_A10
1313A_U678:A712_A120
1321A_U686:A704_A424
1261A_U757:G584_A128
1345A_U772:A807_A120
1357A_U788:C795_A00
1256A_U820:A873_A323
1255A_U827:A872_A221
1361A_U831:G855_A128
1363A_U833:G853_A128
1365A_U835:G851_A128
1377A_U891:A907_A424
113A_U920:G15_A128
114A_U921:A1396_A120
134A_U943:A1340_A120
1385A_U960:U956_A213
1398A_U961:A1201_A00
1424A_U991:A1213_A424
1427A_U997:A1044_A00
1430A_U1000:A1041_A120
1439A_U1012:G1017_A00
1449A_U1052:G1206_A10
1451A_U1056:A1204_A120
1457A_U1062:U1194_A116
1463A_U1070:A1105_A120
1466A_U1073:A1102_A120
1470A_U1086:G1099_A10
1474A_U1090:U1095_A116
1483A_U1121:A1152_A120
1484A_U1122:A1151_A00
1487A_U1126:U1148_A00
1492A_U1135:G1138_A60
1392A_U1232:A949_A120
1395A_U1235:A946_A120
1511A_U1247:G1290_A128
1406A_U1307:U1330_A116
1407A_U1308:A1329_A10
1412A_U1313:A1324_A120
1414A_U1315:A1319_A424
1524A_U1345:U1376_A213
1526A_U1348:A1374_A424
1529A_U1351:G1371_A128
1536A_U1358:A1363_A221
1553A_U1472:A1428_A120
1562A_U1481:G1419_A00
1566A_U1485:G1415_A128
1574A_U1495:U1406_A00
1585A_U1510:G1525_A128
1587A_U1512:G1523_A128

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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