Structure based on 2ivs

Ideal structure
Name: (3ar,4r,6r,6ar)-4-(6-amino-9h-purin-9-yl)-6-(hydroxymethyl)tetrahydrofuro[3,4-d][1,3,2]dioxaphosphol-2-ol 2-oxide
Formula: C10 H12 N5 O6 P
Weight: 329.206
SMILES: "Nc1ncnc2n(cnc12)[CH]3O[CH](CO)[CH]4O[P](O)(=O)O[CH]34"
Spacial conformation based on PDB 2ivs.
Also present in other 6 PDB entries.
RESIDUE   ACK     34
CONECT      O3P    2 P    H1  
CONECT      P      4 O3P  O1P  O2'  O3' 
CONECT      O1P    1 P   
CONECT      O2'    2 P    C2' 
CONECT      O3'    2 P    C3' 
CONECT      C3'    4 O3'  C4'  C2'  H2  
CONECT      C4'    4 C3'  O4'  C5'  H3  
CONECT      O4'    2 C4'  C1' 
CONECT      C5'    4 C4'  O5'  H4   H5  
CONECT      O5'    2 C5'  H6  
CONECT      C1'    4 O4'  N9   C2'  H7  
CONECT      N9     3 C1'  C8   C4  
CONECT      C8     3 N9   N7   H8  
CONECT      N7     2 C8   C5  
CONECT      C5     3 N7   C6   C4  
CONECT      C6     3 C5   N6   N1  
CONECT      N6     3 C6   H9   H10 
CONECT      N1     2 C6   C2  
CONECT      C2     3 N1   N3   H11 
CONECT      N3     2 C2   C4  
CONECT      C4     3 N9   C5   N3  
CONECT      C2'    4 O2'  C3'  C1'  H12 
CONECT      H1     1 O3P 
CONECT      H2     1 C3' 
CONECT      H3     1 C4' 
CONECT      H4     1 C5' 
CONECT      H5     1 C5' 
CONECT      H6     1 O5' 
CONECT      H7     1 C1' 
CONECT      H8     1 C8  
CONECT      H9     1 N6  
CONECT      H10    1 N6  
CONECT      H11    1 C2  
CONECT      H12    1 C2' 
END   
HET    ACK             34
HETNAM     ACK 2',3'- cyclic AMP
FORMUL      ACK    C10 H12 N5 O6 P1

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OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science