A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
Search for released structures

NDB ID: 1I4B  PDB ID: 1I4B 


RNA Base-Pairs, Stacking and other pairwise interactions

CSV Format

Nucleotide 1Nucleotide 2Base-PairsBase-StackingBase-Phosphate
1I4B|1|A|A|111I4B|1|A|A|11n0BP
1I4B|1|A|A|111I4B|1|A|C|10s53
1I4B|1|A|A|111I4B|1|A|C|12s35
1I4B|1|A|A|111I4B|1|A|G|4s55
1I4B|1|A|A|111I4B|1|A|U|3cWW
1I4B|1|A|A|81I4B|1|A|C|5s33
1I4B|1|A|A|81I4B|1|A|G|9ns35
1I4B|1|A|A|81I4B|1|A|U|6
1I4B|1|A|A|81I4B|1|A|U|7n2BP
1I4B|1|A|C|101I4B|1|A|A|11s35
1I4B|1|A|C|101I4B|1|A|C|100BPh
1I4B|1|A|C|101I4B|1|A|G|4cWW
1I4B|1|A|C|101I4B|1|A|G|9s53
1I4B|1|A|C|121I4B|1|A|A|11s53
1I4B|1|A|C|121I4B|1|A|C|120BPh
1I4B|1|A|C|121I4B|1|A|C|13s35
1I4B|1|A|C|121I4B|1|A|G|2cWW
1I4B|1|A|C|131I4B|1|A|C|12s53
1I4B|1|A|C|131I4B|1|A|C|130BPh
1I4B|1|A|C|131I4B|1|A|G|1cWW
1I4B|1|A|C|131I4B|1|A|G|2ns55
1I4B|1|A|C|51I4B|1|A|A|8s33
1I4B|1|A|C|51I4B|1|A|C|5n0BP
1I4B|1|A|C|51I4B|1|A|G|4s53
1I4B|1|A|C|51I4B|1|A|G|9cWW
1I4B|1|A|G|11I4B|1|A|C|13cWW
1I4B|1|A|G|11I4B|1|A|G|10BPh
1I4B|1|A|G|11I4B|1|A|G|2s35
1I4B|1|A|G|21I4B|1|A|C|12cWW
1I4B|1|A|G|21I4B|1|A|C|13ns55
1I4B|1|A|G|21I4B|1|A|G|1s53
1I4B|1|A|G|21I4B|1|A|G|20BPh
1I4B|1|A|G|21I4B|1|A|U|3s35
1I4B|1|A|G|41I4B|1|A|A|11s55
1I4B|1|A|G|41I4B|1|A|C|10cWW
1I4B|1|A|G|41I4B|1|A|C|5s35
1I4B|1|A|G|41I4B|1|A|G|40BPh
1I4B|1|A|G|41I4B|1|A|G|9ns33
1I4B|1|A|G|41I4B|1|A|U|3s53
1I4B|1|A|G|91I4B|1|A|A|8ns53
1I4B|1|A|G|91I4B|1|A|C|10s35
1I4B|1|A|G|91I4B|1|A|C|5cWW
1I4B|1|A|G|91I4B|1|A|G|4ns33
1I4B|1|A|G|91I4B|1|A|G|9n0BP
1I4B|1|A|G|91I4B|1|A|U|7
1I4B|1|A|U|31I4B|1|A|A|11cWW
1I4B|1|A|U|31I4B|1|A|G|2s53
1I4B|1|A|U|31I4B|1|A|G|4s35
1I4B|1|A|U|31I4B|1|A|U|30BPh
1I4B|1|A|U|61I4B|1|A|C|5
1I4B|1|A|U|61I4B|1|A|U|60BPh
1I4B|1|A|U|71I4B|1|A|G|9
1I4B|1|A|U|71I4B|1|A|U|70BPh


Base-PairsCount (5)Relative Frequency
cWW51.000
Base-PhosphateCount (9)Relative Frequency
0BPh91.000
Base-StackingCount (6)Relative Frequency
s3310.167
s5340.667
s5510.167

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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