Structure based on 1bzy

Ideal structure
Name: phosphoric acid mono-[5-(2-amino-4-oxo-4,5-dihydro-3h-pyrrolo[3,2-d]pyrimidin-7-yl)-3,4-dihydroxy-pyrrolidin-2-ylmethyl] ester
Formula: C11 H16 N5 O7 P
Weight: 361.248
SMILES: "NC1=Nc2c([nH]cc2[CH]3N[CH](CO[P](O)(O)=O)[CH](O)[CH]3O)C(=O)N1"
Spacial conformation based on PDB 1bzy.
Also present on 1dqn, 8fx3
RESIDUE   IMU     40
CONECT      P      4 O1P  O2P  O3P  O5' 
CONECT      C2     3 N1   N2   N3  
CONECT      O1P    2 P    HO1P
CONECT      O2P    1 P   
CONECT      O3P    2 P    HO3P
CONECT      O5'    2 P    C5' 
CONECT      C5'    4 O5'  C4'  H5'1 H5'2
CONECT      C4'    4 C5'  N4'  C3'  H4' 
CONECT      N4'    3 C4'  C1'  HN4'
CONECT      C3'    4 C4'  O3'  C2'  H3' 
CONECT      O3'    2 C3'  HO3'
CONECT      C2'    4 C3'  O2'  C1'  H2' 
CONECT      O2'    2 C2'  HO2'
CONECT      C1'    4 N4'  C2'  C9   H1' 
CONECT      C9     3 C1'  C8   C4  
CONECT      C8     3 C9   N7   H8  
CONECT      N7     3 C8   C5   HN7 
CONECT      C5     3 N7   C6   C4  
CONECT      C6     3 C5   O6   N1  
CONECT      O6     1 C6  
CONECT      N1     3 C2   C6   HN1 
CONECT      N2     3 C2   HN21 HN22
CONECT      N3     2 C2   C4  
CONECT      C4     3 C9   C5   N3  
CONECT      HO1P   1 O1P 
CONECT      HO3P   1 O3P 
CONECT      H5'1   1 C5' 
CONECT      H5'2   1 C5' 
CONECT      H4'    1 C4' 
CONECT      HN4'   1 N4' 
CONECT      H3'    1 C3' 
CONECT      HO3'   1 O3' 
CONECT      H2'    1 C2' 
CONECT      HO2'   1 O2' 
CONECT      H1'    1 C1' 
CONECT      H8     1 C8  
CONECT      HN7    1 N7  
CONECT      HN1    1 N1  
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
END   
HET    IMU             40
HETSYN     IMU MODIFIED QUANOSINE-5-PHOSPHATE
HETNAM     IMU PHOSPHORIC ACID MONO-[5-(2-AMINO-4-OXO-4,5-DIHYDRO-3H-P
HETNAM   2 IMU YRROLO[3,2-D]PYRIMIDIN-7-YL)-3,4-DIHYDROXY-PYRROLIDIN-2
HETNAM   3 IMU -YLMETHYL] ESTER
FORMUL      IMU    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