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: UR0121  PDB ID: 2QUS 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
14A_A4:U61_A120
125A_A13:U31_A120
120A_A18:U26_A120
113A_A38:A51_A00
16A_C6:G59_A119
17A_C7:G58_A119
18A_C8:G57_A119
112A_C12:A53_A00
124A_C14:G30_A119
123A_C15:G29_A119
126A_C32:G37_A119
116A_C41:G48_A119
117A_C42:G47_A119
12A_G2:C63_A119
13A_G3:C62_A119
15A_G5:C60_A119
110A_G10:C55_A119
122A_G16:C28_A119
121A_G17:C27_A119
118A_G20:U21_A90
114A_G39:C50_A119
11A_GTP1:C64_A119
19A_U9:A56_A120
111A_U11:A54_A120
119A_U24:A46_A120
115A_U40:A49_A120
130B_A4:U61_B120
151B_A13:U31_B120
146B_A18:U26_B120
140B_A38:A51_B50
132B_C6:G59_B119
133B_C7:G58_B119
134B_C8:G57_B119
139B_C12:A52_B00
150B_C14:G30_B119
149B_C15:G29_B119
152B_C32:G37_B119
143B_C41:G48_B10
144B_C42:G47_B119
128B_G2:C63_B119
129B_G3:C62_B119
131B_G5:C60_B119
136B_G10:C55_B119
148B_G16:C28_B119
147B_G17:C27_B119
138B_G34:A53_B00
141B_G39:C50_B119
127B_GTP1:C64_B119
135B_U9:A56_B120
137B_U11:A54_B120
145B_U24:A46_B120
142B_U40:A49_B120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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