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: PR0382  PDB ID: 3A2K 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
13C_A3:U71_C120
117C_A24:U12_C00
122C_A29:U43_C120
110C_A52:U64_C120
14C_C4:G70_C10
15C_C5:G69_C119
119C_C26:G10_C119
123C_C30:G42_C10
11C_G1:C73_C119
12C_G2:C72_C119
120C_G19:C57_C00
116C_G23:C13_C119
118C_G25:C11_C119
121C_G28:C44_C119
124C_G31:C41_C119
125C_G32:C40_C00
18C_G50:C66_C119
111C_G53:C63_C119
112C_G54:C62_C10
16C_U6:A68_C120
17C_U7:A67_C120
115C_U8:A14_C424
19C_U51:A65_C120
113C_U55:A59_C424
114C_U56:G18_C00
128D_A3:U71_D120
149D_A14:A22_D00
135D_A52:U64_D00
129D_C4:G70_D119
130D_C5:G69_D119
146D_C11:G25_D119
148D_C13:G23_D119
140D_C40:G32_D10
141D_C41:G31_D119
144D_C44:G28_D119
126D_G1:C73_D119
127D_G2:C72_D119
145D_G10:C26_D119
150D_G15:C49_D222
151D_G19:C57_D10
142D_G42:C30_D10
133D_G50:C66_D119
136D_G53:C63_D119
137D_G54:C62_D119
131D_U6:A68_D120
132D_U7:A67_D120
147D_U12:A24_D120
143D_U43:A29_D120
134D_U51:A65_D120
138D_U55:A59_D424
139D_U56:G18_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)