A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 16-Oct-2019 number of released structures: 10422
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NDB ID: RR0029  PDB ID: 1IBL 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
14A_A10:U24_A120
133A_A32:U552_A120
134A_A33:U551_A120
145A_A55:U368_A221
148A_A60:G107_A60
165A_A109:G324_A1011
189A_A119:U287_A424
1111A_A140:U223_A120
1112A_A141:U222_A120
1114A_A143:G220_A08
1138A_A149:A172_A45
1140A_A151:U170_A424
1141A_A152:C169_A20
1131A_A195:U180_A424
1132A_A196:A179_A45
194A_A243:A282_A45
195A_A246:G281_A911
166A_A327:U323_A424
167A_A329:C322_A425
174A_A338:G351_A18
1167A_A383:G380_A00
1172A_A389:U375_A120
1176A_A393:U367_A120
1194A_A430:A414_A45
1195A_A431:U429_A323
1196A_A432:G410_A1011
1203A_A439:U495_A424
1204A_A440:G494_A1011
1211A_A448:U486_A424
1215A_A452:U480_A424
1216A_A453:C479_A20
1233A_A533:A520_A00
1242A_A563:U884_A221
1258A_A583:G758_A1011
1314A_A611:G629_A08
1317A_A614:U626_A120
1269A_A640:U598_A120
1270A_A642:U641_A00
1276A_A648:U591_A120
1282A_A655:U751_A120
1290A_A663:G742_A08
1301A_A675:A715_A00
1302A_A676:G714_A18
1310A_A684:A706_A10
1313A_A687:G703_A1011
1326A_A722:A733_A21
1280A_A753:U652_A424
1336A_A768:C811_A00
1345A_A780:A802_A00
1346A_A781:U801_A424
1347A_A782:G800_A911
1365A_A860:G869_A100
1372A_A889:A908_A82
1374A_A892:G906_A1011
17A_A914:G21_A1011
111A_A918:U17_A120
112A_A919:A16_A10
116A_A923:U1393_A120
126A_A935:U1380_A120
128A_A937:C1378_A60
1405A_A978:G1316_A00
1421A_A986:U1219_A120
1434A_A1004:C1037_A00
1452A_A1055:C1200_A425
1488A_A1123:U1150_A10
1497A_A1157:G1178_A610
1482A_A1179:G1156_A60
1426A_A1213:A1046_A21
1390A_A1225:U955_A120
1393A_A1229:U952_A120
1400A_A1236:G945_A08
1506A_A1238:U1301_A424
1507A_A1239:A1299_A00
1512A_A1245:U1292_A120
1515A_A1248:A1289_A00
1517A_A1252:A1285_A00
1521A_A1256:U1278_A00
1525A_A1261:G1274_A1011
1406A_A1319:U1315_A424
1408A_A1324:U1313_A120
1413A_A1329:U1308_A10
1416A_A1332:G1305_A00
1417A_A1333:G1304_A911
1381A_A1339:G944_A1011
1382A_A1340:U943_A120
1530A_A1346:A1375_A82
1532A_A1349:G1373_A1011
1533A_A1350:U1372_A120
1540A_A1357:G1365_A08
1555A_A1413:G1487_A08
1559A_A1418:G1482_A1011
1569A_A1428:U1472_A120
1574A_A1434:G1467_A911
1546A_A1499:C1403_A50
1547A_A1500:C1402_A10
1586A_A1507:U1528_A120
1592A_A1513:U1522_A120
135A_C34:G550_A119
137A_C36:G548_A119
147A_C58:G354_A119
151A_C63:G104_A119
153A_C67:G102_A119
157A_C73:G97_A119
158A_C74:G96_A119
160A_C76:G93_A119
197A_C123:G238_A119
1104A_C131:G231_A119
1105A_C132:G230_A119
1107A_C136:G227_A119
1108A_C137:G226_A119
1139A_C150:A171_A425
1142A_C153:G168_A119
1143A_C154:G167_A119
1144A_C155:G166_A119
1128A_C193:G184_A119
1129A_C194:G183_A119
1118A_C201:G216_A119
190A_C240:G286_A119
191A_C241:G285_A119
192A_C242:G284_A119
193A_C245:C283_A00
1150A_C248:G276_A119
186A_C290:G310_A119
187A_C291:G309_A119
1163A_C295:G302_A119
170A_C334:G319_A119
171A_C335:G318_A119
172A_C336:G317_A119
173A_C337:G316_A119
175A_C339:G350_A119
177A_C341:G348_A10
178A_C342:G347_A119
1169A_C385:G378_A119
1170A_C386:G377_A119
1173A_C390:G371_A119
1178A_C395:G46_A119
1180A_C398:G44_A119
1182A_C400:G42_A119
1183A_C401:G41_A119
1185A_C403:G39_A119
1197A_C433:G409_A119
1199A_C435:G407_A119
1200A_C436:G406_A119
1205A_C442:G492_A119
1206A_C443:G491_A119
1207A_C444:G490_A119
1212A_C449:G484_A00
1217A_C454:A478_A00
1218A_C455:G477_A119
1219A_C456:G476_A119
1220A_C457:G475_A119
1221A_C458:G474_A119
1224A_C501:G544_A119
1226A_C503:G542_A119
1227A_C504:G541_A119
1236A_C507:G524_A119
1237A_C508:A510_A00
1228A_C511:G540_A119
1230A_C513:G538_A119
1231A_C514:G537_A119
1239A_C522:G527_A119
1245A_C569:G881_A119
1261A_C586:G755_A119
1315A_C612:G628_A119
1316A_C613:G627_A119
1318A_C615:G625_A119
1321A_C618:A622_A20
1263A_C634:G604_A119
1271A_C643:G597_A119
1273A_C645:G594_A119
1275A_C647:G592_A119
1279A_C651:G588_A119
1283A_C656:G750_A119
1305A_C679:G711_A119
1306A_C680:G710_A119
1307A_C681:G709_A119
1323A_C689:G698_A119
1329A_C726:G731_A119
1332A_C762:G579_A119
1334A_C764:G577_A119
1338A_C770:G809_A119
1344A_C779:G803_A119
1348A_C783:G799_A119
1349A_C784:G798_A119
1353A_C817:G1529_A119
1248A_C822:G878_A119
1250A_C824:G876_A119
1252A_C826:G874_A119
1354A_C848:G838_A10
1355A_C849:G837_A119
1362A_C856:G830_A119
1363A_C857:G829_A119
1367A_C862:G867_A119
1375A_C893:U244_A118
1378A_C896:G903_A119
1379A_C897:G902_A119
117A_C924:G1392_A119
122A_C930:G1387_A119
123A_C931:G1386_A119
124A_C932:G1385_A119
1387A_C934:A938_A226
127A_C936:G1379_A119
1403A_C962:G973_A119
1419A_C984:G1221_A119
1420A_C985:G1220_A119
1424A_C989:G1216_A119
1425A_C990:G1215_A119
1430A_C999:G1042_A10
1436A_C1006:G1024_A00
1437A_C1007:G1022_A119
1438A_C1008:G1021_A119
1444A_C1028:G1033_A119
1445A_C1029:G1032_A10
1446A_C1030:G1031_A119
1450A_C1051:G1207_A119
1456A_C1059:G1198_A119
1457A_C1060:G1197_A119
1460A_C1063:G1193_A119
1463A_C1069:G1106_A119
1465A_C1071:G1104_A119
1469A_C1075:G1082_A119
1470A_C1076:G1081_A119
1478A_C1113:G1187_A119
1479A_C1114:G1186_A119
1480A_C1115:G1185_A10
1481A_C1116:G1184_A119
1483A_C1118:G1155_A119
1484A_C1119:G1154_A119
1492A_C1128:G1143_A10
1493A_C1132:G1142_A119
1490A_C1145:C1147_A00
1499A_C1161:G1175_A119
1500A_C1162:G1174_A119
1501A_C1163:G1173_A119
1503A_C1165:G1171_A119
1391A_C1226:G954_A119
1392A_C1228:G953_A119
1394A_C1230:G951_A119
1398A_C1234:G947_A119
1401A_C1237:G1337_A119
1509A_C1242:G1295_A119
1510A_C1243:G1294_A119
1511A_C1244:G1293_A119
1513A_C1246:G1291_A119
1516A_C1249:A1288_A425
1519A_C1254:G1283_A119
1523A_C1259:G1276_A119
1524A_C1260:A1275_A50
1526A_C1262:G1273_A119
1527A_C1263:G1272_A119
1528A_C1264:G1271_A119
1409A_C1325:G1312_A119
1410A_C1326:G1311_A119
1411A_C1327:G1310_A119
1412A_C1328:G1309_A119
1384A_C1342:G941_A119
1386A_C1344:G939_A119
1535A_C1352:G1370_A119
1537A_C1354:G1368_A119
1551A_C1409:G1491_A119
1553A_C1411:G1489_A119
1554A_C1412:G1488_A119
1561A_C1420:G1480_A119
1565A_C1424:G1476_A119
1567A_C1426:G1474_A119
1570A_C1429:G1471_A119
1571A_C1430:G1470_A119
1572A_C1431:G1469_A119
1577A_C1437:G1464_A119
1579A_C1439:G1462_A119
1580A_C1440:G1461_A119
1583A_C1448:G1455_A119
1584A_C1449:G1454_A119
1544A_C1496:G1405_A119
1548A_C1501:G1401_A119
1588A_C1509:G1526_A119
1593A_C1514:G1521_A119
1594A_C1515:G1520_A119
11A_G7:U560_A00
13A_G9:C25_A119
15A_G11:C23_A119
129A_G27:C556_A119
130A_G28:C555_A119
131A_G29:C554_A119
136A_G35:C549_A119
146A_G57:C355_A119
149A_G61:C106_A119
152A_G66:C103_A119
154A_G68:A101_A18
155A_G69:C99_A119
156A_G70:U98_A128
159A_G75:U95_A128
161A_G77:C92_A119
162A_G78:C91_A119
163A_G79:U90_A028
164A_G80:C89_A119
180A_G111:G331_A00
181A_G112:A315_A08
182A_G113:C314_A119
184A_G115:C312_A119
196A_G122:U239_A028
198A_G124:C237_A119
1100A_G126:C235_A119
1101A_G127:C234_A119
1102A_G128:C233_A119
1119A_G129A:C190C_A00
1109A_G138:C225_A119
1110A_G139:C224_A119
1113A_G142:C221_A119
1133A_G144:C178_A119
1134A_G145:C177_A119
1135A_G146:C176_A10
1136A_G147:C175_A119
1137A_G148:C174_A119
1145A_G156:C165_A119
1146A_G157:U164_A128
1147A_G158:C163_A10
1148A_G159:A162_A00
1130A_G181:U182_A00
1120A_G190G:C190B_A119
1121A_G190H:C190A_A119
1122A_G190I:C190_A119
1124A_G190K:C188_A119
1126A_G191:C186_A119
1115A_G198:C219_A119
1116A_G199:C218_A119
1117A_G200:C217_A119
1149A_G247:C277_A119
1154A_G254:C272_A119
1155A_G255:C271_A119
1157A_G257:C269_A119
1158A_G258:C268_A119
1159A_G259:C267_A119
1160A_G260:G265_A00
185A_G289:C311_A119
188A_G292:C308_A119
1161A_G293:U304_A128
1165A_G297:A300_A100
1166A_G299:G566_A06
168A_G332:A321_A18
169A_G333:C320_A119
143A_G357:C54_A119
140A_G361:C47_A119
1168A_G384:C379_A119
1174A_G391:C370_A119
1175A_G392:C369_A119
1177A_G394:C366_A50
1179A_G396:U45_A128
1181A_G399:C43_A119
1184A_G402:C40_A119
1188A_G423:U420_A00
1189A_G424:C419_A119
1190A_G425:C418_A119
1191A_G426:C417_A119
1193A_G428:A415_A00
1202A_G438:A497_A1011
1208A_G445:C489_A119
1209A_G446:C488_A119
1210A_G447:A487_A1011
1213A_G450:C483_A119
1222A_G459:A463_A911
1214A_G481:A482_A00
1223A_G500:C545_A119
1225A_G502:C543_A119
1234A_G505:C526_A119
1235A_G506:C525_A119
1232A_G515:C536_A119
1238A_G521:C528_A119
1240A_G530:A1492_A20
12A_G558:A26_A911
1243A_G567:C883_A119
1244A_G568:C882_A119
1255A_G570:C866_A119
1246A_G575:C880_A119
1257A_G581:G760_A00
1259A_G584:U757_A028
1260A_G585:C756_A119
1319A_G616:C624_A119
1320A_G617:C623_A119
1262A_G633:U605_A128
1264A_G635:U603_A028
1266A_G637:C601_A119
1267A_G638:C600_A119
1268A_G639:C599_A119
1272A_G644:C596_A119
1277A_G649:C590_A119
1278A_G650:C589_A119
1281A_G654:C754_A119
1284A_G657:C749_A119
1285A_G658:C747_A119
1287A_G660:C745_A119
1288A_G661:C744_A119
1289A_G662:U743_A128
1291A_G664:G741_A00
1292A_G666:U740_A028
1293A_G667:C739_A119
1294A_G668:C738_A119
1296A_G670:C736_A119
1297A_G671:C735_A119
1299A_G673:C717_A119
1300A_G674:A716_A18
1308A_G682:C708_A119
1309A_G683:C707_A119
1311A_G685:U705_A00
1322A_G688:C699_A119
1324A_G690:U697_A00
1325A_G691:A696_A1011
1327A_G724:A665_A09
1328A_G725:C732_A119
1330A_G727:G730_A00
1331A_G761:U580_A128
1333A_G763:C578_A119
1335A_G765:A816_A00
1337A_G769:C810_A119
1339A_G771:C808_A119
1341A_G773:C806_A119
1342A_G774:C805_A119
1343A_G778:U804_A128
1350A_G785:C797_A119
1351A_G786:C796_A119
1247A_G821:C879_A119
1249A_G823:C877_A119
1251A_G825:C875_A119
1357A_G851:U835_A128
1358A_G852:C834_A119
1359A_G853:U833_A128
1360A_G854:C832_A119
1361A_G855:U831_A128
1364A_G858:A828_A911
1366A_G861:C868_A119
1368A_G885:C912_A119
1369A_G886:U911_A128
1370A_G887:C910_A119
1371A_G888:A909_A911
1376A_G894:U905_A128
1377A_G895:C904_A119
1380A_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
1404A_G963:C972_A119
1422A_G987:C1218_A119
1423A_G988:C1217_A119
1427A_G993:C1045_A00
1429A_G998:C1043_A10
1432A_G1003:C1039_A10
1433A_G1003A:C1038_A10
1439A_G1009:U1020_A028
1440A_G1010:C1019_A119
1441A_G1011:C1018_A119
1443A_G1013:A1016_A00
1435A_G1026:G1036_A00
1447A_G1047:C1210_A119
1448A_G1048:C1209_A119
1449A_G1050:C1208_A119
1454A_G1057:C1203_A119
1455A_G1058:U1199_A028
1458A_G1061:C1195_A119
1461A_G1064:C1192_A00
1462A_G1068:C1107_A119
1466A_G1072:C1103_A119
1468A_G1074:U1083_A128
1471A_G1077:A1080_A00
1474A_G1087:C1098_A119
1475A_G1088:C1097_A119
1476A_G1089:C1096_A119
1485A_G1120:C1153_A119
1489A_G1124:C1149_A10
1491A_G1127:G1144_A00
1494A_G1133:C1141_A119
1495A_G1134:C1140_A119
1498A_G1160:A1176_A18
1502A_G1164:C1172_A119
1504A_G1166:A1169_A00
1505A_G1224:C1362_A119
1395A_G1231:U950_A128
1397A_G1233:C948_A119
1508A_G1241:C1296_A119
1518A_G1253:C1284_A119
1520A_G1255:C1282_A119
1522A_G1258:C1277_A119
1529A_G1265:C1270_A119
1407A_G1323:C1314_A119
1415A_G1331:A1306_A1011
1418A_G1334:C1303_A119
1385A_G1343:C940_A119
1536A_G1353:C1369_A119
1538A_G1355:C1367_A119
1539A_G1356:C1366_A119
1552A_G1410:C1490_A119
1557A_G1415:U1485_A028
1558A_G1416:C1484_A119
1560A_G1419:U1481_A128
1562A_G1421:C1479_A119
1563A_G1422:C1478_A119
1564A_G1423:C1477_A119
1573A_G1432:A1468_A1011
1575A_G1435:C1466_A119
1578A_G1438:C1463_A119
1581A_G1441:A1460_A911
1582A_G1447:C1459_A119
1542A_G1494:C1407_A119
1545A_G1497:C1404_A119
1549A_G1504:C1399_A119
1550A_G1505:A1502_A00
1587A_G1508:C1527_A119
1590A_G1511:C1524_A119
16A_U12:G22_A028
18A_U13:U20_A00
132A_U30:A553_A120
138A_U37:A397_A221
139A_U49:U365_A40
144A_U56:A356_A120
150A_U62:G105_A128
183A_U114:A313_A120
199A_U125:G236_A128
1103A_U129:G232_A028
1106A_U133:U229_A116
1123A_U190J:G189_A128
1125A_U190L:C187_A00
1127A_U192:A185_A120
1151A_U249:G275_A128
1152A_U252:A274_A120
1153A_U253:A273_A120
1156A_U256:A270_A120
1162A_U294:A303_A120
1164A_U296:G301_A128
176A_U340:A349_A120
179A_U343:G346_A20
142A_U358:A53_A120
141A_U359:G52_A128
1171A_U387:G376_A128
1186A_U404:U498_A30
1187A_U405:A499_A323
1192A_U427:G416_A128
1198A_U434:A408_A120
1201A_U437:A496_A424
1229A_U512:A539_A120
1256A_U571:A865_A120
1265A_U636:A602_A120
1274A_U646:G593_A128
1286A_U659:A746_A120
1295A_U669:A737_A120
1298A_U672:G734_A128
1303A_U677:G713_A00
1304A_U678:A712_A120
1312A_U686:A704_A424
1340A_U772:A807_A120
1352A_U788:A794_A00
1254A_U820:A873_A323
1253A_U827:A872_A221
1356A_U850:G836_A028
1373A_U891:A907_A424
113A_U920:G15_A128
114A_U921:A1396_A120
1389A_U960:U956_A213
1402A_U961:A1201_A221
1428A_U997:A1044_A120
1431A_U1000:A1041_A00
1442A_U1012:G1017_A128
1451A_U1052:G1206_A028
1453A_U1056:A1204_A00
1459A_U1062:U1194_A116
1464A_U1070:A1105_A120
1467A_U1073:A1102_A120
1472A_U1085:G1094_A00
1473A_U1086:G1099_A10
1477A_U1090:U1095_A116
1486A_U1121:A1152_A120
1487A_U1122:A1151_A120
1496A_U1135:G1138_A00
1396A_U1232:A949_A120
1399A_U1235:A946_A120
1514A_U1247:G1290_A028
1414A_U1330:U1307_A116
1383A_U1341:G942_A128
1388A_U1345:U1376_A213
1531A_U1348:A1374_A424
1534A_U1351:G1371_A028
1541A_U1358:A1363_A221
1556A_U1414:G1486_A028
1566A_U1425:G1475_A128
1568A_U1427:A1473_A120
1576A_U1436:C1465_A00
1585A_U1450:G1453_A00
1543A_U1495:U1406_A00
1589A_U1510:G1525_A128
1591A_U1512:G1523_A128
1597Y_A31:U39_Y120
1241Y_A35:U2_Z120
1595Y_G29:C41_Y119
1596Y_G30:C40_Y119
1600Y_G34:U3_Z128
1598Y_U32:A38_Y00
1599Z_U1:A36_Y120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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