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: TR0004  PDB ID: 1I9V 


RNA Base-Pairs, Stacking and other pairwise interactions

CSV Format

Nucleotide 1Nucleotide 2Base-PairsBase-StackingBase-Phosphate
1I9V|1|A|A|141I9V|1|A|A|14n0BP
1I9V|1|A|A|141I9V|1|A|A|21ncWS
1I9V|1|A|A|141I9V|1|A|G|15s35
1I9V|1|A|A|141I9V|1|A|G|22s55
1I9V|1|A|A|141I9V|1|A|U|8tHW
1I9V|1|A|A|211I9V|1|A|A|14ncSW
1I9V|1|A|A|211I9V|1|A|C|48s55
1I9V|1|A|A|211I9V|1|A|G|46s33
1I9V|1|A|A|211I9V|1|A|U|8tSS
1I9V|1|A|A|231I9V|1|A|A|230BPh
1I9V|1|A|A|231I9V|1|A|A|9tHH
1I9V|1|A|A|231I9V|1|A|G|22s53
1I9V|1|A|A|231I9V|1|A|G|24s35
1I9V|1|A|A|231I9V|1|A|U|12cWW
1I9V|1|A|A|291I9V|1|A|A|290BPh
1I9V|1|A|A|291I9V|1|A|C|28s53
1I9V|1|A|A|291I9V|1|A|G|30s35
1I9V|1|A|A|291I9V|1|A|G|42s55
1I9V|1|A|A|291I9V|1|A|U|41cWW
1I9V|1|A|A|311I9V|1|A|A|310BPh
1I9V|1|A|A|311I9V|1|A|C|32s35
1I9V|1|A|A|311I9V|1|A|G|30s53
1I9V|1|A|A|351I9V|1|A|A|350BPh
1I9V|1|A|A|351I9V|1|A|A|36s35
1I9V|1|A|A|351I9V|1|A|G|34s53
1I9V|1|A|A|361I9V|1|A|A|35s53
1I9V|1|A|A|361I9V|1|A|A|360BPh
1I9V|1|A|A|361I9V|1|A|U|33ntHS
1I9V|1|A|A|381I9V|1|A|A|380BPh
1I9V|1|A|A|381I9V|1|A|C|32tHS
1I9V|1|A|A|441I9V|1|A|A|440BPh
1I9V|1|A|A|441I9V|1|A|C|27ns55
1I9V|1|A|A|441I9V|1|A|G|26cWW
1I9V|1|A|A|441I9V|1|A|G|43s53
1I9V|1|A|A|441I9V|1|A|G|45s35
1I9V|1|A|A|51I9V|1|A|A|50BPh
1I9V|1|A|A|51I9V|1|A|G|4s53
1I9V|1|A|A|51I9V|1|A|U|6s35
1I9V|1|A|A|51I9V|1|A|U|68cWW
1I9V|1|A|A|51I9V|1|A|U|69s55
1I9V|1|A|A|581I9V|1|A|C|60ns33
1I9V|1|A|A|581I9V|1|A|C|61s35
1I9V|1|A|A|581I9V|1|A|G|18s55
1I9V|1|A|A|621I9V|1|A|A|620BPh
1I9V|1|A|A|621I9V|1|A|C|61ns53
1I9V|1|A|A|621I9V|1|A|C|63s35
1I9V|1|A|A|621I9V|1|A|G|53s55
1I9V|1|A|A|621I9V|1|A|U|52cWW
1I9V|1|A|A|641I9V|1|A|A|640BPh
1I9V|1|A|A|641I9V|1|A|C|63s53
1I9V|1|A|A|641I9V|1|A|G|51s55
1I9V|1|A|A|641I9V|1|A|G|65s35
1I9V|1|A|A|641I9V|1|A|U|50cWW
1I9V|1|A|A|661I9V|1|A|A|660BPh
1I9V|1|A|A|661I9V|1|A|A|67s35
1I9V|1|A|A|661I9V|1|A|C|49s55
1I9V|1|A|A|661I9V|1|A|G|65s53
1I9V|1|A|A|661I9V|1|A|U|7cWW
1I9V|1|A|A|671I9V|1|A|A|66s53
1I9V|1|A|A|671I9V|1|A|A|670BPh
1I9V|1|A|A|671I9V|1|A|U|6cWW
1I9V|1|A|A|671I9V|1|A|U|68s35
1I9V|1|A|A|671I9V|1|A|U|7s55
1I9V|1|A|A|731I9V|1|A|A|730BPh
1I9V|1|A|A|731I9V|1|A|C|72s53
1I9V|1|A|A|731I9V|1|A|C|74s35
1I9V|1|A|A|731I9V|1|A|G|1s55
1I9V|1|A|A|761I9V|1|A|A|76
1I9V|1|A|A|91I9V|1|A|A|23tHH6BPh
1I9V|1|A|A|91I9V|1|A|G|22s53
1I9V|1|A|A|91I9V|1|A|G|45s33
1I9V|1|A|A|91I9V|1|A|G|46s55
1I9V|1|A|C|111I9V|1|A|A|9
1I9V|1|A|C|111I9V|1|A|C|110BPh
1I9V|1|A|C|111I9V|1|A|G|10s53
1I9V|1|A|C|111I9V|1|A|G|24cWW
1I9V|1|A|C|111I9V|1|A|U|12s35
1I9V|1|A|C|131I9V|1|A|A|97BPh
1I9V|1|A|C|131I9V|1|A|G|22cWW
1I9V|1|A|C|131I9V|1|A|U|12s53
1I9V|1|A|C|131I9V|1|A|U|8s33
1I9V|1|A|C|21I9V|1|A|C|20BPh
1I9V|1|A|C|21I9V|1|A|G|1s53
1I9V|1|A|C|21I9V|1|A|G|3s35
1I9V|1|A|C|21I9V|1|A|G|71cWW
1I9V|1|A|C|251I9V|1|A|C|250BPh
1I9V|1|A|C|251I9V|1|A|G|10cWW
1I9V|1|A|C|251I9V|1|A|G|24s53
1I9V|1|A|C|251I9V|1|A|G|26s35
1I9V|1|A|C|271I9V|1|A|A|44ns55
1I9V|1|A|C|271I9V|1|A|C|270BPh
1I9V|1|A|C|271I9V|1|A|C|28s35
1I9V|1|A|C|271I9V|1|A|G|26s53
1I9V|1|A|C|271I9V|1|A|G|43cWW
1I9V|1|A|C|281I9V|1|A|A|29s35
1I9V|1|A|C|281I9V|1|A|C|27s53
1I9V|1|A|C|281I9V|1|A|C|280BPh
1I9V|1|A|C|281I9V|1|A|G|42cWW
1I9V|1|A|C|281I9V|1|A|G|43s55
1I9V|1|A|C|321I9V|1|A|A|31s53
1I9V|1|A|C|321I9V|1|A|A|38tSH
1I9V|1|A|C|321I9V|1|A|C|320BPh
1I9V|1|A|C|321I9V|1|A|U|33s35
1I9V|1|A|C|401I9V|1|A|C|400BPh
1I9V|1|A|C|401I9V|1|A|G|30cWW
1I9V|1|A|C|401I9V|1|A|U|41s35
1I9V|1|A|C|481I9V|1|A|A|21s55
1I9V|1|A|C|481I9V|1|A|C|48n0BP
1I9V|1|A|C|481I9V|1|A|G|15tWW
1I9V|1|A|C|481I9V|1|A|U|59s35
1I9V|1|A|C|491I9V|1|A|A|66s55
1I9V|1|A|C|491I9V|1|A|C|490BPh
1I9V|1|A|C|491I9V|1|A|G|65cWW
1I9V|1|A|C|491I9V|1|A|U|50s35
1I9V|1|A|C|491I9V|1|A|U|7s53
1I9V|1|A|C|561I9V|1|A|C|560BPh
1I9V|1|A|C|561I9V|1|A|G|19cWW
1I9V|1|A|C|561I9V|1|A|G|57s35
1I9V|1|A|C|601I9V|1|A|A|58ns33
1I9V|1|A|C|601I9V|1|A|C|600BPh
1I9V|1|A|C|601I9V|1|A|U|59s53n9BP
1I9V|1|A|C|611I9V|1|A|A|58s53
1I9V|1|A|C|611I9V|1|A|A|62ns35
1I9V|1|A|C|611I9V|1|A|C|608BPh
1I9V|1|A|C|611I9V|1|A|C|610BPh
1I9V|1|A|C|611I9V|1|A|G|53cWW
1I9V|1|A|C|631I9V|1|A|A|62s53
1I9V|1|A|C|631I9V|1|A|A|64s35
1I9V|1|A|C|631I9V|1|A|C|630BPh
1I9V|1|A|C|631I9V|1|A|G|51cWW
1I9V|1|A|C|701I9V|1|A|C|700BPh
1I9V|1|A|C|701I9V|1|A|G|3cWW
1I9V|1|A|C|701I9V|1|A|G|4s55
1I9V|1|A|C|701I9V|1|A|G|71s35
1I9V|1|A|C|701I9V|1|A|U|69s53
1I9V|1|A|C|721I9V|1|A|A|73s35
1I9V|1|A|C|721I9V|1|A|C|720BPh
1I9V|1|A|C|721I9V|1|A|G|1cWW
1I9V|1|A|C|721I9V|1|A|G|71s53
1I9V|1|A|C|741I9V|1|A|A|73s53
1I9V|1|A|C|741I9V|1|A|C|740BPh
1I9V|1|A|C|741I9V|1|A|C|75s35
1I9V|1|A|C|751I9V|1|A|C|74s53
1I9V|1|A|C|751I9V|1|A|C|750BPh
1I9V|1|A|G|11I9V|1|A|A|73s55
1I9V|1|A|G|11I9V|1|A|C|2s35
1I9V|1|A|G|11I9V|1|A|C|72cWW
1I9V|1|A|G|11I9V|1|A|G|1n0BP
1I9V|1|A|G|101I9V|1|A|C|11s35
1I9V|1|A|G|101I9V|1|A|C|25cWW
1I9V|1|A|G|101I9V|1|A|G|100BPh
1I9V|1|A|G|101I9V|1|A|G|26s55
1I9V|1|A|G|101I9V|1|A|G|45cHS
1I9V|1|A|G|151I9V|1|A|A|14s53
1I9V|1|A|G|151I9V|1|A|C|48tWW
1I9V|1|A|G|151I9V|1|A|G|150BPh
1I9V|1|A|G|151I9V|1|A|U|59s35
1I9V|1|A|G|151I9V|1|A|U|8ns55
1I9V|1|A|G|181I9V|1|A|A|58s55
1I9V|1|A|G|181I9V|1|A|G|18n0BP
1I9V|1|A|G|181I9V|1|A|G|57s33
1I9V|1|A|G|191I9V|1|A|C|56cWW
1I9V|1|A|G|191I9V|1|A|G|190BPh
1I9V|1|A|G|191I9V|1|A|G|57s55
1I9V|1|A|G|201I9V|1|A|G|20n0BP
1I9V|1|A|G|201I9V|1|A|G|22n1BP
1I9V|1|A|G|221I9V|1|A|A|14s55
1I9V|1|A|G|221I9V|1|A|A|21
1I9V|1|A|G|221I9V|1|A|A|23s35
1I9V|1|A|G|221I9V|1|A|A|9s35
1I9V|1|A|G|221I9V|1|A|C|13cWW
1I9V|1|A|G|221I9V|1|A|G|20
1I9V|1|A|G|221I9V|1|A|G|22n0BP
1I9V|1|A|G|221I9V|1|A|G|46tHW
1I9V|1|A|G|241I9V|1|A|A|23s53
1I9V|1|A|G|241I9V|1|A|C|11cWW
1I9V|1|A|G|241I9V|1|A|C|25s35
1I9V|1|A|G|241I9V|1|A|G|240BPh
1I9V|1|A|G|241I9V|1|A|U|12s55
1I9V|1|A|G|261I9V|1|A|A|44cWW
1I9V|1|A|G|261I9V|1|A|C|25s53
1I9V|1|A|G|261I9V|1|A|C|27s35
1I9V|1|A|G|261I9V|1|A|G|10s55
1I9V|1|A|G|261I9V|1|A|G|260BPh
1I9V|1|A|G|261I9V|1|A|G|45ns55
1I9V|1|A|G|31I9V|1|A|C|2s53
1I9V|1|A|G|31I9V|1|A|C|70cWW
1I9V|1|A|G|31I9V|1|A|G|30BPh
1I9V|1|A|G|31I9V|1|A|G|4s35
1I9V|1|A|G|31I9V|1|A|G|71s55
1I9V|1|A|G|301I9V|1|A|A|29s53
1I9V|1|A|G|301I9V|1|A|A|31s35
1I9V|1|A|G|301I9V|1|A|C|40cWW
1I9V|1|A|G|301I9V|1|A|G|300BPh
1I9V|1|A|G|301I9V|1|A|U|41s55
1I9V|1|A|G|341I9V|1|A|A|35s35
1I9V|1|A|G|341I9V|1|A|G|340BPh
1I9V|1|A|G|41I9V|1|A|A|5s35
1I9V|1|A|G|41I9V|1|A|C|70s55
1I9V|1|A|G|41I9V|1|A|G|3s53
1I9V|1|A|G|41I9V|1|A|G|40BPh
1I9V|1|A|G|41I9V|1|A|U|69cWW
1I9V|1|A|G|421I9V|1|A|A|29s55
1I9V|1|A|G|421I9V|1|A|C|28cWW
1I9V|1|A|G|421I9V|1|A|G|420BPh
1I9V|1|A|G|421I9V|1|A|G|43s35
1I9V|1|A|G|421I9V|1|A|U|41s53
1I9V|1|A|G|431I9V|1|A|A|44s35
1I9V|1|A|G|431I9V|1|A|C|27cWW
1I9V|1|A|G|431I9V|1|A|C|28s55
1I9V|1|A|G|431I9V|1|A|G|42s53
1I9V|1|A|G|431I9V|1|A|G|430BPh
1I9V|1|A|G|451I9V|1|A|A|44s53
1I9V|1|A|G|451I9V|1|A|A|9s33
1I9V|1|A|G|451I9V|1|A|G|10cSH
1I9V|1|A|G|451I9V|1|A|G|26ns55
1I9V|1|A|G|451I9V|1|A|G|450BPh
1I9V|1|A|G|461I9V|1|A|A|21s33
1I9V|1|A|G|461I9V|1|A|A|9s55n1BP
1I9V|1|A|G|461I9V|1|A|G|22tWH
1I9V|1|A|G|511I9V|1|A|A|64s55
1I9V|1|A|G|511I9V|1|A|C|63cWW
1I9V|1|A|G|511I9V|1|A|G|510BPh
1I9V|1|A|G|511I9V|1|A|U|50s53
1I9V|1|A|G|511I9V|1|A|U|52s35
1I9V|1|A|G|531I9V|1|A|A|62s55
1I9V|1|A|G|531I9V|1|A|C|61cWW
1I9V|1|A|G|531I9V|1|A|G|530BPh
1I9V|1|A|G|531I9V|1|A|U|52s53
1I9V|1|A|G|571I9V|1|A|C|56s53
1I9V|1|A|G|571I9V|1|A|G|18s33
1I9V|1|A|G|571I9V|1|A|G|19s55n3BP
1I9V|1|A|G|571I9V|1|A|G|570BPh
1I9V|1|A|G|651I9V|1|A|A|64s53
1I9V|1|A|G|651I9V|1|A|A|66s35
1I9V|1|A|G|651I9V|1|A|C|49cWW
1I9V|1|A|G|651I9V|1|A|G|650BPh
1I9V|1|A|G|651I9V|1|A|U|50s55
1I9V|1|A|G|711I9V|1|A|C|2cWW
1I9V|1|A|G|711I9V|1|A|C|70s53
1I9V|1|A|G|711I9V|1|A|C|72s35
1I9V|1|A|G|711I9V|1|A|G|3s55
1I9V|1|A|G|711I9V|1|A|G|710BPh
1I9V|1|A|U|121I9V|1|A|A|23cWW
1I9V|1|A|U|121I9V|1|A|C|11s53
1I9V|1|A|U|121I9V|1|A|C|13s35
1I9V|1|A|U|121I9V|1|A|G|24s55
1I9V|1|A|U|121I9V|1|A|U|120BPh
1I9V|1|A|U|171I9V|1|A|U|17n0BP
1I9V|1|A|U|331I9V|1|A|A|36ntSH5BPh
1I9V|1|A|U|331I9V|1|A|C|32s53
1I9V|1|A|U|331I9V|1|A|U|330BPh
1I9V|1|A|U|411I9V|1|A|A|29cWW
1I9V|1|A|U|411I9V|1|A|C|40s53
1I9V|1|A|U|411I9V|1|A|G|30s55
1I9V|1|A|U|411I9V|1|A|G|42s35
1I9V|1|A|U|411I9V|1|A|U|410BPh
1I9V|1|A|U|471I9V|1|A|U|47n0BP
1I9V|1|A|U|501I9V|1|A|A|64cWW
1I9V|1|A|U|501I9V|1|A|C|49s53
1I9V|1|A|U|501I9V|1|A|G|51s35
1I9V|1|A|U|501I9V|1|A|G|65s55
1I9V|1|A|U|501I9V|1|A|U|500BPh
1I9V|1|A|U|521I9V|1|A|A|62cWW
1I9V|1|A|U|521I9V|1|A|G|51s53
1I9V|1|A|U|521I9V|1|A|G|53s35
1I9V|1|A|U|521I9V|1|A|U|520BPh
1I9V|1|A|U|551I9V|1|A|A|589BPh
1I9V|1|A|U|591I9V|1|A|C|48s53
1I9V|1|A|U|591I9V|1|A|C|60s35
1I9V|1|A|U|591I9V|1|A|G|15s53
1I9V|1|A|U|591I9V|1|A|U|590BPh
1I9V|1|A|U|61I9V|1|A|A|5s53
1I9V|1|A|U|61I9V|1|A|A|67cWW
1I9V|1|A|U|61I9V|1|A|U|60BPh
1I9V|1|A|U|61I9V|1|A|U|7s35
1I9V|1|A|U|681I9V|1|A|A|5cWW
1I9V|1|A|U|681I9V|1|A|A|67s53
1I9V|1|A|U|681I9V|1|A|U|680BPh
1I9V|1|A|U|681I9V|1|A|U|69s35
1I9V|1|A|U|691I9V|1|A|A|5s55
1I9V|1|A|U|691I9V|1|A|C|70s35
1I9V|1|A|U|691I9V|1|A|G|4cWW
1I9V|1|A|U|691I9V|1|A|U|68s53
1I9V|1|A|U|691I9V|1|A|U|690BPh
1I9V|1|A|U|71I9V|1|A|A|66cWW
1I9V|1|A|U|71I9V|1|A|A|67s55
1I9V|1|A|U|71I9V|1|A|C|49s35
1I9V|1|A|U|71I9V|1|A|U|6s53
1I9V|1|A|U|71I9V|1|A|U|70BPh
1I9V|1|A|U|81I9V|1|A|A|14tWH
1I9V|1|A|U|81I9V|1|A|A|21tSS
1I9V|1|A|U|81I9V|1|A|C|13s33
1I9V|1|A|U|81I9V|1|A|G|15ns55
1I9V|1|A|U|81I9V|1|A|U|80BPh


Base-PairsCount (29)Relative Frequency
cWW220.759
tWW10.034
tWH20.069
tHH10.034
cHS10.034
tHS10.034
tSS10.034
Base-PhosphateCount (62)Relative Frequency
5BPh10.016
6BPh10.016
7BPh10.016
8BPh10.016
9BPh10.016
0BPh570.919
Base-StackingCount (45)Relative Frequency
s3340.089
s53220.489
s55190.422

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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