A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: PR0123  PDB ID: 1SJ4 


RNA Base-Pairs, Stacking and other pairwise interactions

CSV Format

Nucleotide 1Nucleotide 2Base-PairsBase-StackingBase-Phosphate
1SJ4|1|R|A|1081SJ4|1|R|A|1080BPh
1SJ4|1|R|A|1081SJ4|1|R|C|107s53
1SJ4|1|R|A|1081SJ4|1|R|G|131s55
1SJ4|1|R|A|1081SJ4|1|R|U|109s35
1SJ4|1|R|A|1161SJ4|1|R|A|1160BPh
1SJ4|1|R|A|1161SJ4|1|R|C|115s53
1SJ4|1|R|A|1161SJ4|1|R|G|117s35
1SJ4|1|R|A|1161SJ4|1|R|G|168s55
1SJ4|1|R|A|1161SJ4|1|R|U|167cWW
1SJ4|1|R|A|1421SJ4|1|R|A|142n0BP
1SJ4|1|R|A|1421SJ4|1|R|A|143s35
1SJ4|1|R|A|1421SJ4|1|R|C|121cWS
1SJ4|1|R|A|1421SJ4|1|R|C|141ns35
1SJ4|1|R|A|1431SJ4|1|R|A|142s53
1SJ4|1|R|A|1431SJ4|1|R|A|1430BPh
1SJ4|1|R|A|1431SJ4|1|R|C|141cHS
1SJ4|1|R|A|1431SJ4|1|R|C|144s35
1SJ4|1|R|A|1431SJ4|1|R|G|140ntWS
1SJ4|1|R|A|1431SJ4|1|R|G|162cWW
1SJ4|1|R|A|1451SJ4|1|R|A|1450BPh
1SJ4|1|R|A|1451SJ4|1|R|C|144s53
1SJ4|1|R|A|1451SJ4|1|R|C|146s35
1SJ4|1|R|A|1451SJ4|1|R|G|161s55
1SJ4|1|R|A|1451SJ4|1|R|U|160cWW
1SJ4|1|R|A|1481SJ4|1|R|A|1480BPh
1SJ4|1|R|A|1481SJ4|1|R|C|147s53
1SJ4|1|R|A|1481SJ4|1|R|G|158s55
1SJ4|1|R|A|1481SJ4|1|R|U|149s35
1SJ4|1|R|A|1531SJ4|1|R|A|1530BPh
1SJ4|1|R|A|1531SJ4|1|R|C|152
1SJ4|1|R|A|1531SJ4|1|R|C|154s35
1SJ4|1|R|A|1651SJ4|1|R|A|1650BPh
1SJ4|1|R|A|1651SJ4|1|R|A|166s35
1SJ4|1|R|A|1651SJ4|1|R|C|119cSS
1SJ4|1|R|A|1651SJ4|1|R|U|163s55
1SJ4|1|R|A|1661SJ4|1|R|A|165s53
1SJ4|1|R|A|1661SJ4|1|R|A|1660BPh
1SJ4|1|R|A|1661SJ4|1|R|C|118cSS
1SJ4|1|R|A|1661SJ4|1|R|C|119ncSS
1SJ4|1|R|A|1661SJ4|1|R|C|130ns35
1SJ4|1|R|A|1661SJ4|1|R|G|129tSS
1SJ4|1|R|A|1711SJ4|1|R|A|1710BPh
1SJ4|1|R|A|1711SJ4|1|R|C|113ns55
1SJ4|1|R|A|1711SJ4|1|R|C|172s35
1SJ4|1|R|A|1711SJ4|1|R|G|170s53
1SJ4|1|R|A|1711SJ4|1|R|U|112cWW
1SJ4|1|R|C|1031SJ4|1|R|C|103n0BP
1SJ4|1|R|C|1031SJ4|1|R|C|104s35
1SJ4|1|R|C|1031SJ4|1|R|G|102s53
1SJ4|1|R|C|1031SJ4|1|R|G|135cWW
1SJ4|1|R|C|1031SJ4|1|R|U|100ntHS
1SJ4|1|R|C|1041SJ4|1|R|C|103s53
1SJ4|1|R|C|1041SJ4|1|R|C|1040BPh
1SJ4|1|R|C|1041SJ4|1|R|G|105ns35
1SJ4|1|R|C|1041SJ4|1|R|G|134cWW
1SJ4|1|R|C|1041SJ4|1|R|G|135s55
1SJ4|1|R|C|1071SJ4|1|R|A|108s35
1SJ4|1|R|C|1071SJ4|1|R|C|1070BPh
1SJ4|1|R|C|1071SJ4|1|R|G|106s53
1SJ4|1|R|C|1071SJ4|1|R|G|131cWW
1SJ4|1|R|C|1131SJ4|1|R|A|171ns55
1SJ4|1|R|C|1131SJ4|1|R|C|1130BPh
1SJ4|1|R|C|1131SJ4|1|R|C|114s35
1SJ4|1|R|C|1131SJ4|1|R|G|170cWW
1SJ4|1|R|C|1131SJ4|1|R|U|112s53
1SJ4|1|R|C|1141SJ4|1|R|C|113s53
1SJ4|1|R|C|1141SJ4|1|R|C|1140BPh
1SJ4|1|R|C|1141SJ4|1|R|C|115s35
1SJ4|1|R|C|1141SJ4|1|R|G|169cWW
1SJ4|1|R|C|1141SJ4|1|R|G|170s55
1SJ4|1|R|C|1151SJ4|1|R|A|116s35
1SJ4|1|R|C|1151SJ4|1|R|C|114s53
1SJ4|1|R|C|1151SJ4|1|R|C|1150BPh
1SJ4|1|R|C|1151SJ4|1|R|G|168cWW
1SJ4|1|R|C|1151SJ4|1|R|G|169s55
1SJ4|1|R|C|1181SJ4|1|R|A|166cSS
1SJ4|1|R|C|1181SJ4|1|R|C|1180BPh
1SJ4|1|R|C|1181SJ4|1|R|C|119s35
1SJ4|1|R|C|1181SJ4|1|R|G|117s53
1SJ4|1|R|C|1181SJ4|1|R|G|129cWW
1SJ4|1|R|C|1191SJ4|1|R|A|165cSS
1SJ4|1|R|C|1191SJ4|1|R|A|166ncSS
1SJ4|1|R|C|1191SJ4|1|R|C|118s53
1SJ4|1|R|C|1191SJ4|1|R|C|1190BPh
1SJ4|1|R|C|1191SJ4|1|R|G|128cWW
1SJ4|1|R|C|1191SJ4|1|R|G|129s55
1SJ4|1|R|C|1191SJ4|1|R|U|120s35
1SJ4|1|R|C|1211SJ4|1|R|A|142cSW
1SJ4|1|R|C|1211SJ4|1|R|C|1210BPh
1SJ4|1|R|C|1211SJ4|1|R|C|122s35
1SJ4|1|R|C|1211SJ4|1|R|G|139cWW
1SJ4|1|R|C|1211SJ4|1|R|G|140s55
1SJ4|1|R|C|1211SJ4|1|R|G|162s53
1SJ4|1|R|C|1221SJ4|1|R|C|121s53
1SJ4|1|R|C|1221SJ4|1|R|C|122n0BP
1SJ4|1|R|C|1221SJ4|1|R|G|101s35
1SJ4|1|R|C|1221SJ4|1|R|G|138cWW
1SJ4|1|R|C|1221SJ4|1|R|G|139s55
1SJ4|1|R|C|1241SJ4|1|R|C|1229BPh
1SJ4|1|R|C|1241SJ4|1|R|C|124n0BP
1SJ4|1|R|C|1241SJ4|1|R|G|125ns55
1SJ4|1|R|C|1241SJ4|1|R|U|120s53
1SJ4|1|R|C|1261SJ4|1|R|C|115n6BP
1SJ4|1|R|C|1261SJ4|1|R|C|1260BPh
1SJ4|1|R|C|1301SJ4|1|R|A|166ns53
1SJ4|1|R|C|1301SJ4|1|R|C|1300BPh
1SJ4|1|R|C|1301SJ4|1|R|G|117cWW
1SJ4|1|R|C|1301SJ4|1|R|G|129s53
1SJ4|1|R|C|1301SJ4|1|R|U|167s35
1SJ4|1|R|C|1321SJ4|1|R|C|1320BPh
1SJ4|1|R|C|1321SJ4|1|R|C|133s35
1SJ4|1|R|C|1321SJ4|1|R|G|106cWW
1SJ4|1|R|C|1321SJ4|1|R|G|131s53
1SJ4|1|R|C|1331SJ4|1|R|C|132s53
1SJ4|1|R|C|1331SJ4|1|R|C|1330BPh
1SJ4|1|R|C|1331SJ4|1|R|G|105cWW
1SJ4|1|R|C|1331SJ4|1|R|G|106s55
1SJ4|1|R|C|1331SJ4|1|R|G|134s35
1SJ4|1|R|C|1361SJ4|1|R|C|1360BPh
1SJ4|1|R|C|1361SJ4|1|R|G|102cWW
1SJ4|1|R|C|1361SJ4|1|R|G|135s53
1SJ4|1|R|C|1361SJ4|1|R|U|137s35
1SJ4|1|R|C|1411SJ4|1|R|A|142ns53
1SJ4|1|R|C|1411SJ4|1|R|A|143cSH
1SJ4|1|R|C|1411SJ4|1|R|C|141n0BP
1SJ4|1|R|C|1411SJ4|1|R|C|144ntSW
1SJ4|1|R|C|1411SJ4|1|R|G|140s53
1SJ4|1|R|C|1411SJ4|1|R|G|161tWH
1SJ4|1|R|C|1411SJ4|1|R|G|162ntWH
1SJ4|1|R|C|1411SJ4|1|R|U|160s33
1SJ4|1|R|C|1441SJ4|1|R|A|143s53
1SJ4|1|R|C|1441SJ4|1|R|A|145s35
1SJ4|1|R|C|1441SJ4|1|R|C|141ntWS
1SJ4|1|R|C|1441SJ4|1|R|C|1440BPh
1SJ4|1|R|C|1441SJ4|1|R|G|161cWW
1SJ4|1|R|C|1461SJ4|1|R|A|145s53
1SJ4|1|R|C|1461SJ4|1|R|C|1460BPh
1SJ4|1|R|C|1461SJ4|1|R|C|147s35
1SJ4|1|R|C|1461SJ4|1|R|G|159cWW
1SJ4|1|R|C|1471SJ4|1|R|A|148s35
1SJ4|1|R|C|1471SJ4|1|R|C|146s53
1SJ4|1|R|C|1471SJ4|1|R|C|1470BPh
1SJ4|1|R|C|1471SJ4|1|R|G|158cWW
1SJ4|1|R|C|1471SJ4|1|R|G|159s55
1SJ4|1|R|C|1521SJ4|1|R|A|153
1SJ4|1|R|C|1521SJ4|1|R|C|1520BPh
1SJ4|1|R|C|1541SJ4|1|R|A|153s53
1SJ4|1|R|C|1541SJ4|1|R|C|1540BPh
1SJ4|1|R|C|1561SJ4|1|R|C|1560BPh
1SJ4|1|R|C|1561SJ4|1|R|C|157s35
1SJ4|1|R|C|1561SJ4|1|R|U|155cHS
1SJ4|1|R|C|1571SJ4|1|R|C|156s53
1SJ4|1|R|C|1571SJ4|1|R|C|1570BPh
1SJ4|1|R|C|1571SJ4|1|R|U|155cHS
1SJ4|1|R|C|1721SJ4|1|R|A|171s53
1SJ4|1|R|C|1721SJ4|1|R|C|1720BPh
1SJ4|1|R|C|1721SJ4|1|R|G|111cWW
1SJ4|1|R|G|1011SJ4|1|R|C|122s53
1SJ4|1|R|G|1011SJ4|1|R|G|101n0BP
1SJ4|1|R|G|1011SJ4|1|R|G|102s35
1SJ4|1|R|G|1011SJ4|1|R|G|138s55
1SJ4|1|R|G|1011SJ4|1|R|U|137cWW
1SJ4|1|R|G|1021SJ4|1|R|C|103s35
1SJ4|1|R|G|1021SJ4|1|R|C|136cWW
1SJ4|1|R|G|1021SJ4|1|R|G|101s53
1SJ4|1|R|G|1021SJ4|1|R|G|1020BPh
1SJ4|1|R|G|1021SJ4|1|R|U|137s55
1SJ4|1|R|G|1051SJ4|1|R|C|104ns53
1SJ4|1|R|G|1051SJ4|1|R|C|133cWW
1SJ4|1|R|G|1051SJ4|1|R|G|1050BPh
1SJ4|1|R|G|1051SJ4|1|R|G|106s35
1SJ4|1|R|G|1051SJ4|1|R|G|134s55
1SJ4|1|R|G|1061SJ4|1|R|C|107s35
1SJ4|1|R|G|1061SJ4|1|R|C|132cWW
1SJ4|1|R|G|1061SJ4|1|R|C|133s55
1SJ4|1|R|G|1061SJ4|1|R|G|105s53
1SJ4|1|R|G|1061SJ4|1|R|G|1060BPh
1SJ4|1|R|G|1101SJ4|1|R|G|111s35
1SJ4|1|R|G|1111SJ4|1|R|C|172cWW
1SJ4|1|R|G|1111SJ4|1|R|G|110s53
1SJ4|1|R|G|1111SJ4|1|R|G|1110BPh
1SJ4|1|R|G|1111SJ4|1|R|U|112s35
1SJ4|1|R|G|1171SJ4|1|R|A|116s53
1SJ4|1|R|G|1171SJ4|1|R|C|118s35
1SJ4|1|R|G|1171SJ4|1|R|C|130cWW
1SJ4|1|R|G|1171SJ4|1|R|G|1170BPh
1SJ4|1|R|G|1171SJ4|1|R|U|167s55
1SJ4|1|R|G|1251SJ4|1|R|C|124ns55
1SJ4|1|R|G|1251SJ4|1|R|G|128s35
1SJ4|1|R|G|1251SJ4|1|R|U|120ncWW
1SJ4|1|R|G|1281SJ4|1|R|C|119cWW
1SJ4|1|R|G|1281SJ4|1|R|G|125s53
1SJ4|1|R|G|1281SJ4|1|R|G|129s35
1SJ4|1|R|G|1281SJ4|1|R|U|120s55
1SJ4|1|R|G|1291SJ4|1|R|A|166tSS
1SJ4|1|R|G|1291SJ4|1|R|C|118cWW
1SJ4|1|R|G|1291SJ4|1|R|C|119s55
1SJ4|1|R|G|1291SJ4|1|R|C|130s35
1SJ4|1|R|G|1291SJ4|1|R|G|128s53
1SJ4|1|R|G|1291SJ4|1|R|G|1290BPh
1SJ4|1|R|G|1311SJ4|1|R|A|108s55
1SJ4|1|R|G|1311SJ4|1|R|C|107cWW
1SJ4|1|R|G|1311SJ4|1|R|C|132s35
1SJ4|1|R|G|1341SJ4|1|R|C|104cWW
1SJ4|1|R|G|1341SJ4|1|R|C|133s53
1SJ4|1|R|G|1341SJ4|1|R|G|105s55
1SJ4|1|R|G|1341SJ4|1|R|G|1340BPh
1SJ4|1|R|G|1341SJ4|1|R|G|135s35
1SJ4|1|R|G|1351SJ4|1|R|C|103cWW
1SJ4|1|R|G|1351SJ4|1|R|C|104s55
1SJ4|1|R|G|1351SJ4|1|R|C|136s35
1SJ4|1|R|G|1351SJ4|1|R|G|134s53
1SJ4|1|R|G|1351SJ4|1|R|G|1350BPh
1SJ4|1|R|G|1381SJ4|1|R|C|122cWW
1SJ4|1|R|G|1381SJ4|1|R|G|101s55
1SJ4|1|R|G|1381SJ4|1|R|G|1380BPh
1SJ4|1|R|G|1381SJ4|1|R|G|139s35
1SJ4|1|R|G|1381SJ4|1|R|U|137
1SJ4|1|R|G|1391SJ4|1|R|C|121cWW
1SJ4|1|R|G|1391SJ4|1|R|C|122s55
1SJ4|1|R|G|1391SJ4|1|R|G|138s53
1SJ4|1|R|G|1391SJ4|1|R|G|1390BPh
1SJ4|1|R|G|1391SJ4|1|R|G|140s35
1SJ4|1|R|G|1401SJ4|1|R|A|143ntSW
1SJ4|1|R|G|1401SJ4|1|R|C|121s55
1SJ4|1|R|G|1401SJ4|1|R|C|141s35
1SJ4|1|R|G|1401SJ4|1|R|G|139s53
1SJ4|1|R|G|1401SJ4|1|R|G|1400BPh
1SJ4|1|R|G|1401SJ4|1|R|G|161ntWH
1SJ4|1|R|G|1511SJ4|1|R|U|150s55
1SJ4|1|R|G|1581SJ4|1|R|A|148s55
1SJ4|1|R|G|1581SJ4|1|R|C|147cWW
1SJ4|1|R|G|1581SJ4|1|R|G|1580BPh
1SJ4|1|R|G|1581SJ4|1|R|G|159s35
1SJ4|1|R|G|1591SJ4|1|R|C|146cWW
1SJ4|1|R|G|1591SJ4|1|R|C|147s55
1SJ4|1|R|G|1591SJ4|1|R|G|158s53
1SJ4|1|R|G|1591SJ4|1|R|G|1590BPh
1SJ4|1|R|G|1591SJ4|1|R|U|160s35
1SJ4|1|R|G|1611SJ4|1|R|A|145s55
1SJ4|1|R|G|1611SJ4|1|R|C|141tHW
1SJ4|1|R|G|1611SJ4|1|R|C|144cWW
1SJ4|1|R|G|1611SJ4|1|R|G|140ntHW
1SJ4|1|R|G|1611SJ4|1|R|G|1610BPh
1SJ4|1|R|G|1611SJ4|1|R|G|162s35
1SJ4|1|R|G|1611SJ4|1|R|U|160s53
1SJ4|1|R|G|1621SJ4|1|R|A|143cWW
1SJ4|1|R|G|1621SJ4|1|R|C|121s35
1SJ4|1|R|G|1621SJ4|1|R|C|141ntHW
1SJ4|1|R|G|1621SJ4|1|R|G|161s53
1SJ4|1|R|G|1621SJ4|1|R|G|1620BPh
1SJ4|1|R|G|1641SJ4|1|R|G|164n0BP
1SJ4|1|R|G|1641SJ4|1|R|U|163n0BP
1SJ4|1|R|G|1681SJ4|1|R|A|116s55
1SJ4|1|R|G|1681SJ4|1|R|C|115cWW
1SJ4|1|R|G|1681SJ4|1|R|G|169s35
1SJ4|1|R|G|1681SJ4|1|R|U|167s53
1SJ4|1|R|G|1691SJ4|1|R|C|114cWW
1SJ4|1|R|G|1691SJ4|1|R|C|115s55
1SJ4|1|R|G|1691SJ4|1|R|G|168s53
1SJ4|1|R|G|1691SJ4|1|R|G|1690BPh
1SJ4|1|R|G|1691SJ4|1|R|G|170s35
1SJ4|1|R|G|1701SJ4|1|R|A|171s35
1SJ4|1|R|G|1701SJ4|1|R|C|113cWW
1SJ4|1|R|G|1701SJ4|1|R|C|114s55
1SJ4|1|R|G|1701SJ4|1|R|G|169s53
1SJ4|1|R|G|1701SJ4|1|R|G|1700BPh
1SJ4|1|R|U|1001SJ4|1|R|C|103ntSH5BPh
1SJ4|1|R|U|1091SJ4|1|R|A|108s53
1SJ4|1|R|U|1091SJ4|1|R|U|1090BPh
1SJ4|1|R|U|1121SJ4|1|R|A|171cWW
1SJ4|1|R|U|1121SJ4|1|R|C|113s35
1SJ4|1|R|U|1121SJ4|1|R|G|111s53
1SJ4|1|R|U|1121SJ4|1|R|U|1120BPh
1SJ4|1|R|U|1201SJ4|1|R|C|119s53
1SJ4|1|R|U|1201SJ4|1|R|C|124s35
1SJ4|1|R|U|1201SJ4|1|R|G|125ncWW
1SJ4|1|R|U|1201SJ4|1|R|G|128s55
1SJ4|1|R|U|1201SJ4|1|R|U|1200BPh
1SJ4|1|R|U|1271SJ4|1|R|U|1270BPh
1SJ4|1|R|U|1371SJ4|1|R|C|136s53
1SJ4|1|R|U|1371SJ4|1|R|G|101cWW
1SJ4|1|R|U|1371SJ4|1|R|G|102s55
1SJ4|1|R|U|1371SJ4|1|R|U|1370BPh
1SJ4|1|R|U|1491SJ4|1|R|A|148s53
1SJ4|1|R|U|1491SJ4|1|R|U|1490BPh
1SJ4|1|R|U|1501SJ4|1|R|G|151s55
1SJ4|1|R|U|1501SJ4|1|R|U|1500BPh
1SJ4|1|R|U|1551SJ4|1|R|C|156cSH
1SJ4|1|R|U|1551SJ4|1|R|C|157cSH
1SJ4|1|R|U|1551SJ4|1|R|U|1550BPh
1SJ4|1|R|U|1601SJ4|1|R|A|145cWW
1SJ4|1|R|U|1601SJ4|1|R|C|141s33
1SJ4|1|R|U|1601SJ4|1|R|G|159s53
1SJ4|1|R|U|1601SJ4|1|R|G|161s35
1SJ4|1|R|U|1601SJ4|1|R|U|1600BPh
1SJ4|1|R|U|1631SJ4|1|R|A|165s55
1SJ4|1|R|U|1631SJ4|1|R|C|121n9BP
1SJ4|1|R|U|1631SJ4|1|R|C|122n9BP
1SJ4|1|R|U|1631SJ4|1|R|G|1015BPh
1SJ4|1|R|U|1631SJ4|1|R|U|120
1SJ4|1|R|U|1671SJ4|1|R|A|116cWW
1SJ4|1|R|U|1671SJ4|1|R|C|130s53
1SJ4|1|R|U|1671SJ4|1|R|G|117s55
1SJ4|1|R|U|1671SJ4|1|R|G|168s35


Base-PairsCount (31)Relative Frequency
cWW230.742
tWH10.032
cWS10.032
cHS30.097
cSS20.065
tSS10.032
Base-PhosphateCount (59)Relative Frequency
5BPh20.034
9BPh10.017
0BPh560.949
Base-StackingCount (37)Relative Frequency
s3310.027
s53170.459
s55190.514

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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