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: PR0111  PDB ID: 1S03 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
13A_A3:U45_A120
16A_A6:U42_A120
110A_A12:U38_A120
111A_A14:A13_A00
116A_A19:U32_A120
119A_A22:U29_A120
14A_C4:G44_A119
112A_C15:G37_A119
115A_C18:G33_A119
11A_G1:C47_A119
12A_G2:C46_A10
15A_G5:C43_A119
17A_G8:C41_A119
18A_G9:C40_A119
19A_G11:C39_A119
114A_G17:C34_A119
118A_G21:C30_A119
113A_U16:A36_A120
117A_U20:A31_A120
122B_A3:U45_B120
125B_A6:U42_B120
129B_A12:U38_B120
130B_A14:A13_B00
135B_A19:U32_B120
138B_A22:U29_B120
123B_C4:G44_B119
131B_C15:G37_B119
134B_C18:G33_B119
120B_G1:C47_B119
121B_G2:C46_B119
124B_G5:C43_B119
126B_G8:C41_B119
127B_G9:C40_B119
128B_G11:C39_B119
133B_G17:C34_B119
137B_G21:C30_B119
132B_U16:A36_B120
136B_U20:A31_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)