Structure based on 1qyq

Ideal structure
Name: (2r)-2-(aminomethyl)-2,4-dihydroxy-5-oxo-3-(2-oxoethyl)-2,5-dihydro-1h-imidazol-3-ium
Formula: C6 H10 N3 O5
Weight: 204.161
SMILES: "NC[C]1(O)NC(=O)C(=[N+]1CC(O)=O)O"
Spacial conformation based on PDB 1qyq
RESIDUE   CR5     24
CONECT      N1     3 CA1  H    H2  
CONECT      CA1    4 N1   C1   HA1  HA2 
CONECT      C1     4 CA1  N2   N3   O4  
CONECT      N2     3 C1   CA2  HN2 
CONECT      N3     3 C1   C2   CA3 
CONECT      C2     3 N3   O2   CA2 
CONECT      O2     2 C2   HO2 
CONECT      CA2    3 N2   C2   O5  
CONECT      CA3    4 N3   C3   HA31 HA32
CONECT      C3     3 CA3  O3   OXT 
CONECT      O3     1 C3  
CONECT      O4     2 C1   HO4 
CONECT      O5     1 CA2 
CONECT      OXT    2 C3   HXT 
CONECT      H      1 N1  
CONECT      H2     1 N1  
CONECT      HA1    1 CA1 
CONECT      HA2    1 CA1 
CONECT      HN2    1 N2  
CONECT      HO2    1 O2  
CONECT      HA31   1 CA3 
CONECT      HA32   1 CA3 
CONECT      HO4    1 O4  
CONECT      HXT    1 OXT 
END   
HET    CR5             24
HETNAM     CR5 (2R)-2-(AMINOMETHYL)-2,4-DIHYDROXY-5-OXO-3-(2-OXOETHYL)
HETNAM   2 CR5 -2,5-DIHYDRO-1H-IMIDAZOL-3-IUM
FORMUL      CR5    C6 H10 N3 O5

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