Structure based on 2fxl

Ideal structure
Name: 1-(2,5-dioxo-2,5-dihydro-1h-imidazol-4-yl)urea
Formula: C4 H4 N4 O3
Weight: 156.100
SMILES: "NC(=O)NC1=NC(=O)NC1=O"
Spacial conformation based on PDB 2fxl.
Also present on 2o73, 3o7j, 3qvk
RESIDUE   2AL     15
CONECT      C4     3 C5   N9   N3  
CONECT      C5     3 C4   O5   N7  
CONECT      O5     1 C5  
CONECT      N7     3 C5   C8   HN7 
CONECT      C8     3 N7   O8   N9  
CONECT      O8     1 C8  
CONECT      N9     2 C4   C8  
CONECT      N3     3 C4   C2   HN3 
CONECT      C2     3 N3   N1   O2  
CONECT      N1     3 C2   HN11 HN12
CONECT      O2     1 C2  
CONECT      HN7    1 N7  
CONECT      HN3    1 N3  
CONECT      HN11   1 N1  
CONECT      HN12   1 N1  
END   
HET    2AL             15
HETSYN     2AL ALLANTOIN
HETNAM     2AL 1-(2,5-DIOXO-2,5-DIHYDRO-1H-IMIDAZOL-4-YL)UREA
FORMUL      2AL    C4 H4 N4 O3

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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