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As of 18-May-2022 number of released structures: 12082
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NDB ID: DR0004  PDB ID: 1ET4 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
18A_A231:A214_A21
16A_C229:U215_A00
110A_C233:G212_A119
11A_G207:C222_A119
12A_G208:C221_A119
14A_G226:C219_A119
15A_G228:C218_A119
17A_G230:C211_A119
19A_G232:C213_A119
13A_U209:A220_A120
118B_A331:A314_B21
116B_C329:U315_B00
120B_C333:G312_B119
111B_G307:C322_B119
112B_G308:C321_B119
114B_G326:C319_B119
115B_G328:C318_B119
117B_G330:C311_B119
119B_G332:C313_B119
113B_U309:A320_B120
128C_A431:A414_C21
126C_C429:U415_C00
130C_C433:G412_C119
121C_G407:C422_C119
122C_G408:C421_C119
124C_G426:C419_C119
125C_G428:C418_C119
127C_G430:C411_C119
129C_G432:C413_C119
123C_U409:A420_C120
138D_A531:A514_D21
136D_C529:U515_D00
140D_C533:G512_D119
131D_G507:C522_D119
132D_G508:C521_D119
134D_G526:C519_D119
135D_G528:C518_D119
137D_G530:C511_D119
139D_G532:C513_D119
133D_U509:A520_D120
148E_A131:A114_E21
146E_C129:U115_E00
150E_C133:G112_E119
141E_G107:C122_E119
142E_G108:C121_E119
144E_G126:C119_E119
145E_G128:C118_E119
147E_G130:C111_E119
149E_G132:C113_E119
143E_U109:A120_E120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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