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As of 11-May-2022 number of released structures: 12077
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NDB ID: 1A51  PDB ID: 1A51 

RNA Base-Pairs, Stacking and other pairwise interactions

CSV Format

Nucleotide 1Nucleotide 2Base-PairsBase-StackingBase-Phosphate
1A51|1|A|A|1011A51|1|A|A|1010BPh
1A51|1|A|A|1011A51|1|A|G|100s53
1A51|1|A|A|1011A51|1|A|G|102s35
1A51|1|A|A|1011A51|1|A|G|75
1A51|1|A|A|1041A51|1|A|A|1040BPh
1A51|1|A|A|1041A51|1|A|A|73s55
1A51|1|A|A|1041A51|1|A|G|105s35
1A51|1|A|A|1041A51|1|A|G|72tHS
1A51|1|A|A|1041A51|1|A|U|103s53
1A51|1|A|A|731A51|1|A|A|104s55
1A51|1|A|A|731A51|1|A|A|730BPh
1A51|1|A|A|731A51|1|A|G|72
1A51|1|A|A|731A51|1|A|U|103tHW
1A51|1|A|A|731A51|1|A|U|74s35
1A51|1|A|A|781A51|1|A|A|780BPh
1A51|1|A|A|781A51|1|A|A|99s55
1A51|1|A|A|781A51|1|A|G|79s35
1A51|1|A|A|781A51|1|A|G|98tHS
1A51|1|A|A|781A51|1|A|U|77s53
1A51|1|A|A|941A51|1|A|A|940BPh
1A51|1|A|A|941A51|1|A|C|93s53
1A51|1|A|A|941A51|1|A|G|83s55
1A51|1|A|A|941A51|1|A|U|82cWW
1A51|1|A|A|941A51|1|A|U|95s35
1A51|1|A|A|991A51|1|A|A|78s55
1A51|1|A|A|991A51|1|A|A|990BPh
1A51|1|A|A|991A51|1|A|G|100s35
1A51|1|A|A|991A51|1|A|G|98
1A51|1|A|A|991A51|1|A|U|77tHW
1A51|1|A|C|1071A51|1|A|C|1070BPh
1A51|1|A|C|1071A51|1|A|C|108s35
1A51|1|A|C|1071A51|1|A|G|106s53
1A51|1|A|C|1071A51|1|A|G|69cWW
1A51|1|A|C|1081A51|1|A|C|107s53
1A51|1|A|C|1081A51|1|A|C|1080BPh
1A51|1|A|C|1081A51|1|A|G|68cWW
1A51|1|A|C|1081A51|1|A|G|69s55
1A51|1|A|C|701A51|1|A|C|700BPh
1A51|1|A|C|701A51|1|A|C|71s35
1A51|1|A|C|701A51|1|A|G|106cWW
1A51|1|A|C|701A51|1|A|G|69s53
1A51|1|A|C|711A51|1|A|C|70s53
1A51|1|A|C|711A51|1|A|C|710BPh
1A51|1|A|C|711A51|1|A|G|105cWW
1A51|1|A|C|711A51|1|A|G|106s55
1A51|1|A|C|711A51|1|A|G|72s35
1A51|1|A|C|881A51|1|A|C|88n0BP
1A51|1|A|C|881A51|1|A|U|87s33
1A51|1|A|C|901A51|1|A|C|900BPh
1A51|1|A|C|901A51|1|A|C|91s35
1A51|1|A|C|901A51|1|A|G|86ncWW
1A51|1|A|C|911A51|1|A|C|90s53
1A51|1|A|C|911A51|1|A|C|910BPh
1A51|1|A|C|911A51|1|A|C|92s35
1A51|1|A|C|911A51|1|A|G|85cWW
1A51|1|A|C|911A51|1|A|G|86s55
1A51|1|A|C|921A51|1|A|C|91s53
1A51|1|A|C|921A51|1|A|C|920BPh
1A51|1|A|C|921A51|1|A|C|93s35
1A51|1|A|C|921A51|1|A|G|84cWW
1A51|1|A|C|921A51|1|A|G|85s55
1A51|1|A|C|931A51|1|A|A|94s35
1A51|1|A|C|931A51|1|A|C|92s53
1A51|1|A|C|931A51|1|A|C|930BPh
1A51|1|A|C|931A51|1|A|G|83cWW
1A51|1|A|C|931A51|1|A|G|84s55
1A51|1|A|C|971A51|1|A|C|970BPh
1A51|1|A|C|971A51|1|A|G|79cWW
1A51|1|A|C|971A51|1|A|G|96s53
1A51|1|A|C|971A51|1|A|G|98s35
1A51|1|A|G|1001A51|1|A|A|101s35
1A51|1|A|G|1001A51|1|A|A|99s53
1A51|1|A|G|1001A51|1|A|G|1000BPh
1A51|1|A|G|1001A51|1|A|G|76
1A51|1|A|G|1021A51|1|A|A|101s53
1A51|1|A|G|1021A51|1|A|G|1020BPh
1A51|1|A|G|1021A51|1|A|G|75ns55
1A51|1|A|G|1021A51|1|A|U|103s35
1A51|1|A|G|1021A51|1|A|U|74ntWH
1A51|1|A|G|1051A51|1|A|A|104s53
1A51|1|A|G|1051A51|1|A|C|71cWW
1A51|1|A|G|1051A51|1|A|G|1050BPh
1A51|1|A|G|1051A51|1|A|G|106s35
1A51|1|A|G|1051A51|1|A|G|72s55
1A51|1|A|G|1061A51|1|A|C|107s35
1A51|1|A|G|1061A51|1|A|C|70cWW
1A51|1|A|G|1061A51|1|A|C|71s55
1A51|1|A|G|1061A51|1|A|G|105s53
1A51|1|A|G|1061A51|1|A|G|1060BPh
1A51|1|A|G|681A51|1|A|C|108cWW
1A51|1|A|G|681A51|1|A|G|680BPh
1A51|1|A|G|681A51|1|A|G|69s35
1A51|1|A|G|691A51|1|A|C|107cWW
1A51|1|A|G|691A51|1|A|C|108s55
1A51|1|A|G|691A51|1|A|C|70s35
1A51|1|A|G|691A51|1|A|G|68s53
1A51|1|A|G|691A51|1|A|G|690BPh
1A51|1|A|G|721A51|1|A|A|104tSH
1A51|1|A|G|721A51|1|A|C|71s53
1A51|1|A|G|721A51|1|A|G|105s55
1A51|1|A|G|721A51|1|A|G|720BPh
1A51|1|A|G|721A51|1|A|U|103ns334BPh
1A51|1|A|G|751A51|1|A|A|101
1A51|1|A|G|751A51|1|A|G|102ns55
1A51|1|A|G|751A51|1|A|G|750BPh
1A51|1|A|G|751A51|1|A|G|76s35
1A51|1|A|G|751A51|1|A|U|74s53
1A51|1|A|G|761A51|1|A|G|100
1A51|1|A|G|761A51|1|A|G|75s53
1A51|1|A|G|761A51|1|A|G|760BPh
1A51|1|A|G|761A51|1|A|U|77s35
1A51|1|A|G|791A51|1|A|A|78s53
1A51|1|A|G|791A51|1|A|C|97cWW
1A51|1|A|G|791A51|1|A|G|790BPh
1A51|1|A|G|791A51|1|A|G|98ns55
1A51|1|A|G|791A51|1|A|U|80s35
1A51|1|A|G|811A51|1|A|G|810BPh
1A51|1|A|G|811A51|1|A|G|96s55
1A51|1|A|G|811A51|1|A|U|80ns53
1A51|1|A|G|811A51|1|A|U|82s35
1A51|1|A|G|811A51|1|A|U|95cWW
1A51|1|A|G|831A51|1|A|A|94s55
1A51|1|A|G|831A51|1|A|C|93cWW
1A51|1|A|G|831A51|1|A|G|830BPh
1A51|1|A|G|831A51|1|A|G|84s35
1A51|1|A|G|831A51|1|A|U|82s53
1A51|1|A|G|841A51|1|A|C|92cWW
1A51|1|A|G|841A51|1|A|C|93s55
1A51|1|A|G|841A51|1|A|G|83s53
1A51|1|A|G|841A51|1|A|G|840BPh
1A51|1|A|G|841A51|1|A|G|85s35
1A51|1|A|G|851A51|1|A|C|91cWW
1A51|1|A|G|851A51|1|A|C|92s55
1A51|1|A|G|851A51|1|A|G|84s53
1A51|1|A|G|851A51|1|A|G|850BPh
1A51|1|A|G|851A51|1|A|G|86s35
1A51|1|A|G|861A51|1|A|C|90ncWW
1A51|1|A|G|861A51|1|A|C|91s55
1A51|1|A|G|861A51|1|A|G|85s53
1A51|1|A|G|861A51|1|A|G|860BPh
1A51|1|A|G|961A51|1|A|C|97s35
1A51|1|A|G|961A51|1|A|G|81s55
1A51|1|A|G|961A51|1|A|G|960BPh
1A51|1|A|G|961A51|1|A|U|80cWW
1A51|1|A|G|961A51|1|A|U|95s53
1A51|1|A|G|981A51|1|A|A|78tSH
1A51|1|A|G|981A51|1|A|C|97s53
1A51|1|A|G|981A51|1|A|G|79ns55
1A51|1|A|G|981A51|1|A|G|980BPh
1A51|1|A|G|981A51|1|A|U|77ns33
1A51|1|A|U|1031A51|1|A|A|104s35
1A51|1|A|U|1031A51|1|A|A|73tWH
1A51|1|A|U|1031A51|1|A|G|102s53
1A51|1|A|U|1031A51|1|A|G|72ns33
1A51|1|A|U|1031A51|1|A|U|1030BPh
1A51|1|A|U|741A51|1|A|A|73s53
1A51|1|A|U|741A51|1|A|G|102ntHW
1A51|1|A|U|741A51|1|A|G|75s35
1A51|1|A|U|741A51|1|A|U|740BPh
1A51|1|A|U|771A51|1|A|A|78s35
1A51|1|A|U|771A51|1|A|A|99tWH
1A51|1|A|U|771A51|1|A|G|76s53
1A51|1|A|U|771A51|1|A|G|98ns33
1A51|1|A|U|771A51|1|A|U|770BPh
1A51|1|A|U|801A51|1|A|G|79s53
1A51|1|A|U|801A51|1|A|G|81ns35
1A51|1|A|U|801A51|1|A|G|96cWW
1A51|1|A|U|801A51|1|A|U|800BPh
1A51|1|A|U|821A51|1|A|A|94cWW
1A51|1|A|U|821A51|1|A|G|81s53
1A51|1|A|U|821A51|1|A|G|83s35
1A51|1|A|U|821A51|1|A|U|820BPh
1A51|1|A|U|871A51|1|A|C|88s33
1A51|1|A|U|871A51|1|A|G|86
1A51|1|A|U|871A51|1|A|U|87n0BP
1A51|1|A|U|951A51|1|A|A|94s53
1A51|1|A|U|951A51|1|A|G|81cWW
1A51|1|A|U|951A51|1|A|G|96s35
1A51|1|A|U|951A51|1|A|U|950BPh


Base-PairsCount (15)Relative Frequency
cWW110.733
tWH20.133
tHS20.133
Base-PhosphateCount (39)Relative Frequency
4BPh10.026
0BPh380.974
Base-StackingCount (21)Relative Frequency
s3310.048
s53100.476
s55100.476

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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

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