A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 23-Nov-2022 number of released structures: 12471
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NDB ID: PR0015  PDB ID: 1QA6 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
14C_A104:U155_C120
113C_A107:U131_C120
112C_A136:U132_C221
18C_A140:U151_C120
12C_C102:G157_C119
13C_C103:G156_C119
119C_C114:G124_C119
110C_C142:G149_C119
11C_G101:U158_C028
15C_G105:C154_C119
16C_G106:A153_C1011
115C_G109:C129_C119
117C_G112:C126_C119
118C_G113:C125_C119
17C_G137:C152_C119
19C_G141:C150_C119
111C_G143:A148_C911
114C_U108:A130_C120
116C_U110:A138_C323
120C_U115:A123_C00
124D_A104:U155_D120
133D_A107:U131_D120
132D_A136:U132_D221
128D_A140:U151_D120
122D_C102:G157_D119
123D_C103:G156_D119
139D_C114:G124_D119
130D_C142:G149_D119
121D_G101:U158_D028
125D_G105:C154_D119
126D_G106:A153_D1011
135D_G109:C129_D119
137D_G112:C126_D119
138D_G113:C125_D119
127D_G137:C152_D119
129D_G141:C150_D119
131D_G143:A148_D911
134D_U108:A130_D120
136D_U110:A138_D323
140D_U115:A123_D00

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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