A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 20-Oct-2021 number of released structures: 11724
Search for released structures

NDB ID: NA2503  PDB ID: 4KZZ 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
141i_A39:G505_i1011
142i_A40:U504_i120
154i_A45:G470_i120
159i_A50:U478_i221
167i_A64:A83_i45
171i_A92:G434_i00
191i_A102:U396_i00
190i_A104:C346_i00
198i_A107:U344_i120
1102i_A111:C340_i10
1119i_A147:A171_i45
1121i_A149:U169_i00
1122i_A150:C168_i00
1133i_A190:G205_i100
1143i_A218:U291_i120
1146i_A221:A288_i10
1174i_A309:G322_i10
196i_A350:A391_i00
1180i_A354:U386_i120
1183i_A361:U383_i00
1188i_A366:U378_i120
1193i_A404:U413_i120
1194i_A405:U412_i120
172i_A437:U433_i424
173i_A439:C432_i425
177i_A445:G428_i00
180i_A448:G461_i18
143i_A476:G503_i50
145i_A479:U501_i120
164i_A490:U87_i120
11i_A506:U31_i424
1201i_A513:A633_i00
1203i_A516:G549_i18
1205i_A518:U547_i120
1206i_A519:A545_i10
1207i_A521:U543_i120
1209i_A523:U541_i120
1212i_A526:G537_i00
1219i_A554:G576_i100
1222i_A559:U571_i120
1229i_A589:U627_i120
1236i_A606:G615_i00
16i_A638:U26_i120
18i_A640:C24_i00
111i_A643:U21_i120
1246i_A654:C1159_i00
1258i_A658:A660_i00
1248i_A661:U1157_i10
1318i_A798:U859_i120
1324i_A804:G851_i18
1326i_A812:U844_i120
1331i_A826:U840_i221
1166i_A899:U879_i00
1167i_A900:U878_i120
1273i_A918:U1018_i120
1287i_A934:U1000_i120
1293i_A940:G978_i18
1339i_A953:U962_i120
1341i_A986:A997_i21
1342i_A988:G929_i30
1259i_A1019:U672_i120
1260i_A1020:U671_i120
1263i_A1023:U668_i00
1264i_A1024:G667_i911
1266i_A1026:U665_i120
1267i_A1027:C664_i00
1346i_A1032:C1075_i00
1352i_A1038:U1069_i120
1356i_A1046:G1064_i1011
1358i_A1048:U1062_i120
1361i_A1051:C1059_i00
1252i_A1089:U1148_i120
1365i_A1118:U1107_i00
1376i_A1129:G1095_i18
1389i_A1166:A1185_i00
1391i_A1169:U351_i00
116i_A1191:G16_i911
117i_A1192:U15_i00
120i_A1195:U12_i10
121i_A1196:A11_i10
125i_A1200:U1689_i120
128i_A1204:U1686_i120
129i_A1205:U1685_i120
134i_A1210:U1680_i00
135i_A1213:U1676_i120
1428i_A1272:G1317_i100
1430i_A1274:U1315_i120
1434i_A1283:U1310_i120
1438i_A1287:U1304_i00
1440i_A1289:U1302_i120
1442i_A1291:U1300_i120
1449i_A1328:U1495_i00
1470i_A1349:U1354_i120
1482i_A1392:G1445_i39
1486i_A1397:U1441_i120
1487i_A1398:U1440_i120
1488i_A1401:U1437_i00
1495i_A1410:U1428_i120
1500i_A1417:U1422_i120
1503i_A1451:C1467_i00
1416i_A1526:G1223_i18
1510i_A1528:G1595_i00
1512i_A1532:U1591_i120
1527i_A1556:C1569_i10
1536i_A1602:G1627_i1011
1543i_A1609:U1620_i120
1398i_A1636:U1221_i120
1546i_A1645:G1669_i1011
1547i_A1646:U1668_i120
1545i_A1656:A1615_i00
1565i_A1707:U1815_i120
1568i_A1710:A1812_i10
1572i_A1714:G1808_i1011
1576i_A1719:U1804_i120
1583i_A1726:U1797_i120
1587i_A1730:G1793_i100
1596i_A1740:G1783_i610
1558i_A1828:G1831_i00
1616i_A1839:U1848_i120
112i_C4:G20_i119
138i_C35:A510_i10
140i_C37:G508_i119
156i_C48:G468_i119
157i_C49:G467_i10
161i_C53:G464_i119
169i_C69:G80_i119
183i_C96:G424_i119
185i_C98:G422_i119
197i_C106:G345_i119
1105i_C117:C336_i00
1112i_C125:A329_i10
1123i_C151:G167_i119
1130i_C187:G208_i10
1134i_C191:G204_i119
1136i_C194:G201_i119
1139i_C213:G300_i119
1145i_C220:G289_i119
1151i_C272:G237_i10
1171i_C306:G325_i10
1173i_C308:G323_i119
1176i_C311:G320_i10
1177i_C312:G319_i119
1178i_C313:U318_i118
1179i_C315:G317_i00
192i_C347:G395_i119
193i_C348:G394_i119
195i_C352:C392_i10
1181i_C355:G385_i119
186i_C399:G421_i119
175i_C443:G430_i119
178i_C446:G427_i119
179i_C447:G426_i119
181i_C449:G460_i119
1199i_C452:G457_i119
1200i_C453:G456_i60
146i_C480:G500_i119
147i_C481:G499_i119
149i_C486:G496_i119
150i_C487:G495_i119
151i_C488:G494_i10
1204i_C517:G548_i10
1208i_C522:G542_i119
1213i_C527:G536_i119
1215i_C529:G534_i119
1221i_C557:U572_i00
1242i_C593:A595_i60
1231i_C598:G625_i119
1238i_C608:G613_i119
13i_C635:G29_i119
1245i_C653:G1160_i119
1312i_C741:G792_i119
1313i_C742:A791_i10
1319i_C799:G856_i119
1334i_C829:G837_i119
1337i_C872:G906_i119
1163i_C896:A882_i00
1168i_C901:G877_i119
1277i_C923:G1010_i119
1280i_C926:A1007_i00
1281i_C927:G1006_i119
1286i_C933:G1001_i119
1290i_C937:G981_i119
1297i_C944:G974_i119
1299i_C946:G972_i10
1300i_C947:G971_i119
1344i_C990:G995_i119
1262i_C1022:A669_i60
1268i_C1028:G663_i119
1349i_C1035:G1072_i119
1354i_C1043:G1067_i119
1359i_C1049:G1061_i119
1363i_C1081:G1855_i119
1250i_C1086:G1155_i119
1251i_C1087:G1154_i119
1253i_C1090:G1147_i119
1366i_C1119:G1106_i119
1367i_C1120:G1104_i119
1368i_C1121:G1103_i119
1370i_C1123:G1101_i119
1371i_C1124:G1100_i119
1375i_C1128:A1096_i00
1378i_C1131:G1093_i119
126i_C1201:G1688_i119
133i_C1209:G1681_i119
1403i_C1211:A1216_i226
136i_C1214:G1675_i119
1421i_C1262:G1511_i119
1422i_C1263:G1510_i119
1423i_C1264:G1509_i119
1426i_C1268:G1506_i119
1427i_C1269:A1504_i425
1429i_C1273:G1316_i119
1431i_C1275:G1314_i119
1460i_C1327:C22_k00
1453i_C1332:G1487_i119
1454i_C1333:G1486_i119
1458i_C1337:U1481_i00
1472i_C1359:G1371_i119
1476i_C1385:G1477_i119
1478i_C1387:G1475_i119
1481i_C1391:G1446_i119
1484i_C1395:G1443_i119
1493i_C1408:C1430_i00
1496i_C1411:G1427_i119
1497i_C1413:G1425_i119
1498i_C1415:G1424_i119
1502i_C1449:G1471_i00
1508i_C1456:G1462_i10
1407i_C1516:G1232_i10
1408i_C1518:G1231_i119
1410i_C1520:G1229_i119
1412i_C1522:C1227_i00
1414i_C1524:G1225_i119
1417i_C1527:G1633_i119
1517i_C1529:G1593_i60
1513i_C1533:U1590_i00
1518i_C1539:A1584_i00
1519i_C1542:U1581_i30
1524i_C1553:G1572_i119
1525i_C1554:G1571_i10
1528i_C1557:G1568_i119
1530i_C1559:G1566_i119
1531i_C1560:G1565_i119
1538i_C1604:A1625_i10
1401i_C1639:G1218_i119
1402i_C1640:G1217_i119
1404i_C1641:U1672_i00
1551i_C1650:G1664_i119
1557i_C1695:G1830_i10
1559i_C1699:A1825_i50
1560i_C1700:G1823_i119
1563i_C1703:G1820_i119
1566i_C1708:G1814_i119
1569i_C1711:G1811_i119
1570i_C1712:G1810_i119
1590i_C1733:G1790_i119
1591i_C1734:G1789_i119
1592i_C1735:C1788_i00
1593i_C1737:G1786_i119
1598i_C1742:G1781_i119
1601i_C1746:G1776_i00
1602i_C1747:G1774_i119
1604i_C1749:G1771_i00
1612i_C1835:G1852_i10
1613i_C1836:G1851_i119
114i_G6:C18_i119
115i_G7:C17_i119
153i_G41:C471_i10
155i_G47:C469_i119
160i_G52:C465_i119
162i_G56:C89_i119
165i_G62:C86_i119
168i_G66:G82_i100
170i_G71:A79_i911
182i_G95:A425_i18
199i_G108:C343_i119
1111i_G113:U281_i60
1109i_G122:C332_i119
1110i_G123:C331_i119
1114i_G126:C127_i90
1117i_G145:C174_i119
1118i_G146:A173_i18
1125i_G153:G165_i00
1127i_G155:U163_i128
1128i_G156:C162_i119
1129i_G186:C209_i119
1132i_G189:A206_i1011
1138i_G212:C301_i119
1147i_G222:U287_i00
1149i_G270:C240_i119
1150i_G271:U239_i10
1152i_G273:C236_i10
1153i_G274:C235_i119
1148i_G279:C286_i119
1113i_G303:C327_i119
1172i_G307:C324_i119
1175i_G310:C321_i10
1185i_G363:C381_i119
1186i_G364:C380_i119
1189i_G367:C377_i119
1191i_G370:U374_i00
187i_G400:C420_i119
188i_G401:C419_i119
189i_G402:A808_i610
1192i_G403:C414_i119
1196i_G409:G652_i36
1197i_G410:U651_i50
174i_G442:C431_i119
1210i_G524:C540_i119
1211i_G525:C538_i119
1218i_G553:C582_i00
1220i_G555:C575_i119
1227i_G587:C629_i119
1228i_G588:C628_i119
1239i_G590:C612_i119
1240i_G591:C611_i119
1241i_G592:G610_i36
1230i_G596:C626_i00
1233i_G600:C623_i119
1234i_G601:C622_i119
1237i_G607:C614_i119
12i_G634:C30_i119
14i_G636:U28_i128
1243i_G646:U1152_i128
1244i_G649:G1161_i47
1247i_G655:C1158_i119
1304i_G682:C734_i119
1305i_G683:G733_i10
1306i_G685:C731_i00
1307i_G686:C730_i119
1308i_G687:C729_i10
1309i_G689:G727_i13
1310i_G691:C725_i119
1311i_G740:C793_i119
1323i_G803:C852_i119
1327i_G813:A843_i1011
1328i_G815:C825_i119
1332i_G827:C839_i00
1333i_G828:C838_i119
1335i_G869:C908_i119
1336i_G870:C907_i10
1154i_G887:C234_i10
1157i_G890:C231_i119
1158i_G891:C230_i119
1164i_G897:U881_i128
1165i_G898:C880_i119
1169i_G903:C875_i10
1274i_G919:C1015_i119
1275i_G920:U1014_i128
1276i_G921:U1013_i00
1278i_G924:U1009_i128
1279i_G925:A1008_i18
1282i_G928:A1005_i18
1283i_G930:A1004_i18
1284i_G931:C1003_i119
1285i_G932:C1002_i119
1291i_G938:C980_i119
1296i_G943:C975_i10
1298i_G945:C973_i119
1301i_G948:C970_i119
1338i_G952:C963_i119
1340i_G955:A960_i00
1343i_G989:C996_i119
1345i_G991:A994_i00
1265i_G1025:C666_i119
1269i_G1029:A1080_i00
1347i_G1033:C1074_i119
1350i_G1036:C1071_i119
1351i_G1037:C1070_i10
1355i_G1044:A1066_i100
1357i_G1047:C1063_i119
1360i_G1050:C1060_i119
1249i_G1085:U1156_i128
1364i_G1117:U1108_i128
1369i_G1122:C1102_i119
1372i_G1125:C1099_i119
1373i_G1126:G1098_i00
1374i_G1127:U1097_i128
1377i_G1130:C1094_i119
1381i_G1136:C1143_i119
1382i_G1137:C1142_i119
1385i_G1162:U1189_i128
1386i_G1163:U1188_i128
1387i_G1164:C1187_i119
1388i_G1165:A1186_i1011
1393i_G1171:U1182_i128
1394i_G1172:C1181_i119
1397i_G1175:A1178_i00
118i_G1193:C14_i119
119i_G1194:C13_i119
124i_G1199:C1691_i119
127i_G1202:U1687_i128
130i_G1206:C1684_i119
131i_G1207:C1683_i10
132i_G1208:C1682_i119
1420i_G1241:C1250_i119
1424i_G1265:C1508_i00
1425i_G1266:U1507_i128
1432i_G1276:U1313_i128
1433i_G1277:C1312_i119
1437i_G1286:C1305_i119
1441i_G1290:C1301_i119
1439i_G1298:U1303_i20
1444i_G1320:U1500_i128
1445i_G1321:C1499_i119
1446i_G1323:C1498_i119
1447i_G1324:C1497_i119
1451i_G1330:U1492_i10
1452i_G1331:U1488_i128
1455i_G1334:C1484_i119
1462i_G1341:C1380_i119
1465i_G1344:G1377_i00
1466i_G1345:C1376_i119
1468i_G1347:U1356_i128
1469i_G1348:U1355_i128
1471i_G1350:A1353_i00
1473i_G1361:C1370_i119
1474i_G1362:C1369_i119
1480i_G1390:G1447_i00
1483i_G1394:A1444_i00
1489i_G1402:C1436_i119
1492i_G1407:C1431_i119
1494i_G1409:C1429_i119
1499i_G1416:C1423_i119
1501i_G1418:G1421_i00
1504i_G1452:C1466_i119
1506i_G1454:C1464_i119
1507i_G1455:C1463_i119
1509i_G1457:A1461_i00
1406i_G1515:C1233_i10
1409i_G1519:C1230_i10
1411i_G1521:U1228_i128
1413i_G1523:C1226_i119
1511i_G1531:C1592_i10
1515i_G1535:C1588_i119
1516i_G1536:C1587_i119
1520i_G1543:G1579_i20
1522i_G1545:C1577_i119
1529i_G1558:C1567_i00
1532i_G1561:A1564_i00
1533i_G1599:C1630_i119
1534i_G1600:A1629_i1011
1535i_G1601:A1628_i00
1539i_G1605:C1624_i119
1540i_G1606:C1623_i119
1541i_G1607:C1622_i119
1542i_G1608:C1621_i119
1548i_G1647:U1667_i128
1550i_G1649:C1665_i119
1552i_G1651:U1663_i128
1553i_G1652:U1662_i10
1554i_G1653:C1661_i119
1556i_G1697:C1827_i119
1561i_G1701:C1822_i119
1571i_G1713:A1809_i100
1574i_G1717:U1806_i128
1575i_G1718:C1805_i119
1578i_G1721:U1802_i10
1579i_G1722:C1801_i119
1584i_G1727:C1796_i119
1586i_G1729:A1794_i1011
1588i_G1731:C1792_i119
1589i_G1732:U1791_i00
1594i_G1738:A1785_i1011
1595i_G1739:A1784_i00
1599i_G1743:U1780_i00
1600i_G1744:C1779_i119
1603i_G1748:C1772_i10
1605i_G1751:U1769_i10
1606i_G1752:C1768_i119
1607i_G1753:C1767_i119
1608i_G1754:C1766_i119
1614i_G1837:C1850_i119
1617i_G1840:C1847_i119
1618i_G1841:C1846_i119
113i_U5:A19_i120
137i_U34:A511_i120
139i_U36:A509_i120
152i_U44:G472_i50
158i_U51:A466_i120
163i_U57:G88_i128
166i_U63:A85_i10
184i_U97:A423_i10
1100i_U109:U342_i116
1101i_U110:G341_i128
1103i_U115:A338_i120
1104i_U116:G337_i128
1106i_U119:U335_i116
1107i_U120:U334_i116
1108i_U121:A333_i120
1115i_U140:A304_i120
1116i_U144:A175_i120
1120i_U148:A170_i00
1124i_U152:A166_i120
1126i_U154:A164_i120
1131i_U188:U207_i00
1135i_U192:G203_i128
1137i_U196:U200_i116
1140i_U215:C294_i118
1141i_U216:A293_i120
1142i_U217:A292_i120
1144i_U219:A290_i120
1170i_U305:A326_i120
194i_U349:G393_i128
1182i_U356:G384_i128
1184i_U362:A382_i120
1187i_U365:A379_i120
1190i_U368:C376_i00
1195i_U406:G411_i128
176i_U444:A429_i120
1198i_U451:A458_i120
144i_U477:A502_i120
148i_U485:A498_i120
1202i_U514:A584_i323
1214i_U528:A535_i120
1216i_U530:C533_i40
1217i_U552:A577_i424
1223i_U561:C569_i00
1224i_U562:C568_i00
1225i_U585:A631_i120
1226i_U586:A630_i120
1232i_U599:A624_i120
1235i_U602:A619_i00
15i_U637:A27_i120
17i_U639:A25_i120
19i_U641:G23_i128
110i_U642:A22_i120
1256i_U656:A1141_i120
1257i_U657:A1140_i120
1314i_U743:A790_i120
1315i_U795:U862_i116
1316i_U796:A861_i120
1317i_U797:A860_i120
1320i_U800:G855_i128
1321i_U801:A854_i10
1322i_U802:U853_i00
1325i_U811:A845_i120
1329i_U816:G824_i128
1330i_U818:A822_i424
1155i_U888:A233_i120
1156i_U889:A232_i120
1159i_U892:A229_i120
1160i_U893:A228_i120
1161i_U894:A227_i120
1162i_U895:A226_i10
1270i_U913:A675_i120
1271i_U914:G674_i00
1288i_U935:U999_i116
1289i_U936:U998_i116
1292i_U939:A979_i00
1294i_U941:A977_i120
1295i_U942:A976_i120
1302i_U950:A968_i00
1303i_U965:G967_i20
1272i_U1017:A916_i424
1261i_U1021:G670_i128
1348i_U1034:A1073_i120
1353i_U1042:U1068_i116
1362i_U1052:A1058_i00
1255i_U1084:A1146_i00
1254i_U1091:A1145_i221
1383i_U1110:A1115_i221
1384i_U1111:C1114_i00
1379i_U1132:G1092_i00
1380i_U1133:A1144_i221
1390i_U1168:A1184_i00
1392i_U1170:G1183_i00
1395i_U1173:G1180_i128
1396i_U1174:A1179_i120
122i_U1197:G10_i128
123i_U1198:A1692_i120
1405i_U1238:U1234_i213
1418i_U1239:U1490_i00
1419i_U1240:G1251_i128
1435i_U1284:C1307_i118
1436i_U1285:U1306_i116
1443i_U1319:U1501_i116
1448i_U1325:G1496_i128
1450i_U1329:A1494_i120
1456i_U1335:A1483_i120
1457i_U1336:A1482_i120
1461i_U1338:A1340_i00
1459i_U1339:A1480_i00
1463i_U1342:A1379_i10
1464i_U1343:A1378_i120
1467i_U1346:A1375_i120
1475i_U1363:U1368_i116
1477i_U1386:A1476_i120
1479i_U1388:U1474_i00
1485i_U1396:A1442_i120
1490i_U1403:A1435_i120
1491i_U1404:A1434_i120
1505i_U1453:A1465_i120
1415i_U1525:A1224_i120
1514i_U1534:A1589_i120
1521i_U1544:C1578_i00
1523i_U1546:A1574_i20
1526i_U1555:G1570_i128
1537i_U1603:U1626_i116
1544i_U1611:U1619_i00
1399i_U1637:G1220_i128
1400i_U1638:A1219_i120
1549i_U1648:G1666_i128
1555i_U1654:A1659_i221
1562i_U1702:U1821_i00
1564i_U1706:A1816_i10
1567i_U1709:A1813_i120
1573i_U1715:A1807_i120
1577i_U1720:A1803_i120
1580i_U1723:A1800_i120
1581i_U1724:G1799_i128
1582i_U1725:U1798_i00
1585i_U1728:A1795_i120
1597i_U1741:A1782_i120
1609i_U1755:G1765_i00
1610i_U1833:A1854_i120
1611i_U1834:A1853_i120
1615i_U1838:G1849_i128
1619j_A1:A72_j50
1622j_A4:U68_j120
1645j_A14:U8_j424
1632j_A34:U17_k120
1634j_A37:C31_j10
1638j_A41:U27_j120
1640j_A43:G25_j18
1626j_A49:U63_j120
1629j_A53:A57_j40
1621j_C3:G69_j119
1642j_C11:G23_j119
1644j_C13:G21_j119
1631j_C33:G18_k119
1635j_C38:G30_j119
1636j_C39:G29_j119
1637j_C40:G28_j119
1620j_G2:C70_j119
1623j_G5:C67_j10
1624j_G7:C65_j119
1641j_G10:U24_j128
1643j_G12:C22_j119
1646j_G15:C47_j20
1647j_G18:C55_j119
1639j_G42:C26_j119
1625j_G48:C64_j119
1627j_G51:C61_j10
1628j_G52:C60_j119
1633j_U35:A16_k120
1630j_U54:G17_j20

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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