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As of 25-May-2022 number of released structures: 12098
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NDB ID: 2M21  PDB ID: 2M21 


RNA Base-Pairs, Stacking and other pairwise interactions

CSV Format

Nucleotide 1Nucleotide 2Base-PairsBase-StackingBase-Phosphate
2M21|1|A|A|122M21|1|A|C|10
2M21|1|A|A|122M21|1|A|U|11n7BP
2M21|1|A|A|162M21|1|A|A|160BPh
2M21|1|A|A|162M21|1|A|A|7s55
2M21|1|A|A|162M21|1|A|U|15s53
2M21|1|A|A|162M21|1|A|U|17ns35
2M21|1|A|A|162M21|1|A|U|6cWW
2M21|1|A|A|52M21|1|A|A|50BPh
2M21|1|A|A|52M21|1|A|G|4s53
2M21|1|A|A|52M21|1|A|U|17cWW
2M21|1|A|A|52M21|1|A|U|6s35
2M21|1|A|A|72M21|1|A|A|16s55
2M21|1|A|A|72M21|1|A|A|70BPh
2M21|1|A|A|72M21|1|A|C|8s35
2M21|1|A|A|72M21|1|A|U|15cWW
2M21|1|A|A|72M21|1|A|U|6s53
2M21|1|A|A|92M21|1|A|A|90BPh
2M21|1|A|A|92M21|1|A|C|10s35
2M21|1|A|A|92M21|1|A|C|8s53
2M21|1|A|A|92M21|1|A|U|14s55
2M21|1|A|C|102M21|1|A|A|9s53
2M21|1|A|C|102M21|1|A|C|100BPh
2M21|1|A|C|182M21|1|A|C|180BPh
2M21|1|A|C|182M21|1|A|G|19s35
2M21|1|A|C|182M21|1|A|G|4cWW
2M21|1|A|C|182M21|1|A|U|17s53
2M21|1|A|C|202M21|1|A|C|200BPh
2M21|1|A|C|202M21|1|A|C|21s35
2M21|1|A|C|202M21|1|A|G|19ns53
2M21|1|A|C|202M21|1|A|G|2cWW
2M21|1|A|C|212M21|1|A|C|20s53
2M21|1|A|C|212M21|1|A|C|210BPh
2M21|1|A|C|212M21|1|A|G|1cWW
2M21|1|A|C|32M21|1|A|C|30BPh
2M21|1|A|C|32M21|1|A|G|19cWW
2M21|1|A|C|32M21|1|A|G|2ns53
2M21|1|A|C|82M21|1|A|A|7s53
2M21|1|A|C|82M21|1|A|A|9s35
2M21|1|A|C|82M21|1|A|U|14ncWW
2M21|1|A|G|12M21|1|A|C|21cWW
2M21|1|A|G|12M21|1|A|G|1n0BP
2M21|1|A|G|12M21|1|A|G|2s35
2M21|1|A|G|192M21|1|A|C|18s53
2M21|1|A|G|192M21|1|A|C|20ns35
2M21|1|A|G|192M21|1|A|C|3cWW
2M21|1|A|G|192M21|1|A|G|190BPh
2M21|1|A|G|192M21|1|A|G|4s55
2M21|1|A|G|22M21|1|A|C|20cWW
2M21|1|A|G|22M21|1|A|C|3ns35
2M21|1|A|G|22M21|1|A|G|1s53
2M21|1|A|G|22M21|1|A|G|20BPh
2M21|1|A|G|42M21|1|A|A|5s35
2M21|1|A|G|42M21|1|A|C|18cWW
2M21|1|A|G|42M21|1|A|C|3
2M21|1|A|G|42M21|1|A|G|19s55
2M21|1|A|G|42M21|1|A|G|40BPh
2M21|1|A|U|112M21|1|A|U|110BPh
2M21|1|A|U|132M21|1|A|U|130BPh
2M21|1|A|U|142M21|1|A|A|9s55
2M21|1|A|U|142M21|1|A|C|8ncWW
2M21|1|A|U|142M21|1|A|U|15ns35
2M21|1|A|U|152M21|1|A|A|16s35
2M21|1|A|U|152M21|1|A|A|7cWW
2M21|1|A|U|152M21|1|A|U|14ns53
2M21|1|A|U|152M21|1|A|U|150BPh
2M21|1|A|U|172M21|1|A|A|16ns53
2M21|1|A|U|172M21|1|A|A|5cWW
2M21|1|A|U|172M21|1|A|C|18s35
2M21|1|A|U|172M21|1|A|U|170BPh
2M21|1|A|U|62M21|1|A|A|16cWW
2M21|1|A|U|62M21|1|A|A|5s53
2M21|1|A|U|62M21|1|A|A|7s35
2M21|1|A|U|62M21|1|A|U|60BPh


Base-PairsCount (7)Relative Frequency
cWW71.000
Base-PhosphateCount (17)Relative Frequency
0BPh171.000
Base-StackingCount (8)Relative Frequency
s5350.625
s5530.375

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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