Structure based on ?

Ideal structure
Name: [(2r,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl [(2r,3r,4r,5r)-5-(6-amino-9h-purin-9-yl)-3-hydroxy-4-(phosphonooxy)tetrahydrofuran-2-yl]methyl dihydrogen diphosphate
Formula: C20 H27 N10 O16 P3
Weight: 756.407
SMILES: "Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O[P](O)(O)=O)[CH]4O)n5cnc6c(N)ncnc56)[CH](O)[CH]3O"
Spacial conformation based on PDB ?.
Also present on 4dy6
RESIDUE   A22     76
CONECT      P2D    4 O11  O12  O13  O2D 
CONECT      O11    2 P2D  H1PA
CONECT      O12    2 P2D  H2PA
CONECT      O13    1 P2D 
CONECT      P1A    4 O14  O15  O5D  O18 
CONECT      O14    2 P1A  H5PA
CONECT      O15    1 P1A 
CONECT      O5D    2 P1A  C5D 
CONECT      C5D    4 O5D  C4D  HD1  HD2 
CONECT      C4D    4 C5D  O4D  C3D  H4D 
CONECT      O4D    2 C4D  C1D 
CONECT      C3D    4 C4D  O3D  C2D  H3CA
CONECT      O3D    2 C3D  H3OA
CONECT      C2D    4 C3D  O2D  C1D  H2D 
CONECT      O2D    2 P2D  C2D 
CONECT      C1D    4 O4D  C2D  N9A  H1D 
CONECT      N9A    3 C1D  C8A  C4A 
CONECT      C8A    3 N9A  N7A  H8A 
CONECT      N7A    2 C8A  C5A 
CONECT      C5A    3 N7A  C6A  C4A 
CONECT      C6A    3 C5A  N6A  N1A 
CONECT      N6A    3 C6A  H6A1 H6A2
CONECT      N1A    2 C6A  C2A 
CONECT      C2A    3 N1A  N3A  H2A 
CONECT      N3A    2 C2A  C4A 
CONECT      C4A    3 N9A  C5A  N3A 
CONECT      P1B    4 O16  O17  O18  O5E 
CONECT      O16    2 P1B  H1PB
CONECT      O17    1 P1B 
CONECT      O18    2 P1A  P1B 
CONECT      O5E    2 P1B  C5E 
CONECT      C5E    4 O5E  C4E  HE1  HE2 
CONECT      C4E    4 C5E  O4E  C3E  H4E 
CONECT      O4E    2 C4E  C1E 
CONECT      C3E    4 C4E  O3E  C2E  H3CB
CONECT      O3E    2 C3E  H3OB
CONECT      C2E    4 C3E  O2E  C1E  H2CB
CONECT      O2E    2 C2E  H2OB
CONECT      C1E    4 O4E  C2E  N9B  H1E 
CONECT      N9B    3 C1E  C8B  C4B 
CONECT      C8B    3 N9B  N7B  H8B 
CONECT      N7B    2 C8B  C5B 
CONECT      C5B    3 N7B  C6B  C4B 
CONECT      C6B    3 C5B  N6B  N1B 
CONECT      N6B    3 C6B  H6B1 H6B2
CONECT      N1B    2 C6B  C2B 
CONECT      C2B    3 N1B  N3B  H2B 
CONECT      N3B    2 C2B  C4B 
CONECT      C4B    3 N9B  C5B  N3B 
CONECT      H1PA   1 O11 
CONECT      H2PA   1 O12 
CONECT      H5PA   1 O14 
CONECT      HD1    1 C5D 
CONECT      HD2    1 C5D 
CONECT      H4D    1 C4D 
CONECT      H3CA   1 C3D 
CONECT      H3OA   1 O3D 
CONECT      H2D    1 C2D 
CONECT      H1D    1 C1D 
CONECT      H8A    1 C8A 
CONECT      H6A1   1 N6A 
CONECT      H6A2   1 N6A 
CONECT      H2A    1 C2A 
CONECT      H1PB   1 O16 
CONECT      HE1    1 C5E 
CONECT      HE2    1 C5E 
CONECT      H4E    1 C4E 
CONECT      H3CB   1 C3E 
CONECT      H3OB   1 O3E 
CONECT      H2CB   1 C2E 
CONECT      H2OB   1 O2E 
CONECT      H1E    1 C1E 
CONECT      H8B    1 C8B 
CONECT      H6B1   1 N6B 
CONECT      H6B2   1 N6B 
CONECT      H2B    1 C2B 
END   
HET    A22             76
HETSYN     A22 2'-PHOSPHATE BIS(ADENOSINE)-5'-DIPHOSPHATE
HETNAM     A22 [(2R,3S,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-3,4-DIHYDROXYT
HETNAM   2 A22 ETRAHYDROFURAN-2-YL]METHYL [(2R,3R,4R,5R)-5-(6-AMINO-9H
HETNAM   3 A22 -PURIN-9-YL)-3-HYDROXY-4-(PHOSPHONOOXY)TETRAHYDROFURAN-
HETNAM   4 A22 2-YL]METHYL DIHYDROGEN DIPHOSPHATE
FORMUL      A22    C20 H27 N10 O16 P3

This OCA MONOMER page
uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science