A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 16-Oct-2019 number of released structures: 10422
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NDB ID: NA2805  PDB ID: 4NCA 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
12C_DA3:DT17_D120
16C_DA7:DT13_D120
19C_DA10:DT10_D120
11C_DG2:DC18_D119
13C_DG4:DC16_D119
14C_DG5:DC15_D119
17C_DG8:DC12_D119
110C_DG11:DC6_G119
111C_DG12:DC5_G119
114C_DG15:DC2_G119
15C_DT6:DA14_D120
18C_DT9:DA11_D120
112C_DT13:DA4_G120
113C_DT14:DA3_G10
115C_DT16:DA1_G120
117E_DA3:DT17_F120
121E_DA7:DT13_F120
124E_DA10:DT10_F120
116E_DG2:DC18_F119
118E_DG4:DC16_F119
119E_DG5:DC15_F119
122E_DG8:DC12_F119
125E_DG11:DC9_H119
126E_DG12:DC8_H119
129E_DG15:DC5_H119
120E_DT6:DA14_F120
123E_DT9:DA11_F120
127E_DT13:DA7_H120
128E_DT14:DA6_H00
130E_DT16:DA4_H120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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