Structure based on 3ok2

Ideal structure
Name: 2-(6-amino-9h-purin-9-yl)-1,5-anhydro-2-deoxy-6-o-phosphono-d-altritol
Formula: C11 H16 N5 O7 P
Weight: 361.248
SMILES: "Nc1ncnc2n(cnc12)[CH]3CO[CH](CO[P](O)(O)=O)[CH](O)[CH]3O"
Spacial conformation based on PDB 3ok2.
Also present on 3ok4
RESIDUE   A6A     40
CONECT      P      4 O5'  OP1  OP2  OP3 
CONECT      N1     2 C2   C6  
CONECT      C2     3 N1   N3   H2  
CONECT      N3     2 C2   C4  
CONECT      C4     3 N3   C5   N9  
CONECT      C5     3 C4   C6   N7  
CONECT      C6     3 N1   C5   N6  
CONECT      N6     3 C6   HN6  HN6A
CONECT      N7     2 C5   C8  
CONECT      C8     3 N7   N9   H8  
CONECT      N9     3 C4   C8   C1' 
CONECT      C1'    4 N9   C2'  C6'  H1' 
CONECT      C2'    4 C1'  O2'  C3'  H2' 
CONECT      O2'    2 C2'  HO2'
CONECT      C3'    4 C2'  O3'  C4'  H3' 
CONECT      O3'    2 C3'  HO3'
CONECT      C4'    4 C3'  O4'  C5'  H4' 
CONECT      O4'    2 C4'  C6' 
CONECT      C5'    4 C4'  O5'  H5'  H5'A
CONECT      O5'    2 P    C5' 
CONECT      C6'    4 C1'  O4'  H6'  H6'A
CONECT      OP1    1 P   
CONECT      OP2    2 P    HOP2
CONECT      OP3    2 P    HOP3
CONECT      H2     1 C2  
CONECT      HN6    1 N6  
CONECT      HN6A   1 N6  
CONECT      H8     1 C8  
CONECT      H1'    1 C1' 
CONECT      H2'    1 C2' 
CONECT      HO2'   1 O2' 
CONECT      H3'    1 C3' 
CONECT      HO3'   1 O3' 
CONECT      H4'    1 C4' 
CONECT      H5'    1 C5' 
CONECT      H5'A   1 C5' 
CONECT      H6'    1 C6' 
CONECT      H6'A   1 C6' 
CONECT      HOP2   1 OP2 
CONECT      HOP3   1 OP3 
END   
HET    A6A             40
HETSYN     A6A ((2R,3S,4S,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxyt
HETSYN   2 A6A etrahydro-2H-pyran-2-yl)methyl dihydrogen phosphate
HETNAM     A6A 2-(6-amino-9H-purin-9-yl)-1,5-anhydro-2-deoxy-6-O-phosp
HETNAM   2 A6A hono-D-altritol
FORMUL      A6A    C11 H16 N5 O7 P1

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