Structure based on 4nqe

Ideal structure
Name: 1-deoxy-1-({2,6-dioxo-5-[(e)-(2-oxoethylidene)amino]-1,2,3,6-tetrahydropyrimidin-4-yl}amino)-d-ribitol
Formula: C11 H16 N4 O7
Weight: 316.267
SMILES: "OC[CH](O)[CH](O)[CH](O)CNC1=C(N=CC=O)C(=O)NC(=O)N1"
Spacial conformation based on PDB 4nqe
RESIDUE   2L4     38
CONECT      C4     3 N3   C4A  O4  
CONECT      C6     3 C7   N5   H1  
CONECT      C7     3 C6   O1   H2  
CONECT      N1     3 C2   C8A  H161
CONECT      N3     3 C4   C2   H5  
CONECT      N5     2 C6   C4A 
CONECT      C4A    3 C4   N5   C8A 
CONECT      O4     1 C4  
CONECT      C2     3 N1   N3   O2  
CONECT      O2     1 C2  
CONECT      C8A    3 N1   C4A  N8  
CONECT      N8     3 C8A  C1'  H7  
CONECT      C1'    4 N8   C2'  H8   H9  
CONECT      C2'    4 C1'  O2'  C3'  H10 
CONECT      O2'    2 C2'  H11 
CONECT      C3'    4 C2'  O3'  C4'  H12 
CONECT      O3'    2 C3'  H13 
CONECT      C4'    4 C3'  O4'  C5'  H14 
CONECT      O4'    2 C4'  H15 
CONECT      C5'    4 C4'  O5'  H16  H17 
CONECT      O5'    2 C5'  H18 
CONECT      H1     1 C6  
CONECT      O1     1 C7  
CONECT      H5     1 N3  
CONECT      H7     1 N8  
CONECT      H8     1 C1' 
CONECT      H9     1 C1' 
CONECT      H10    1 C2' 
CONECT      H11    1 O2' 
CONECT      H12    1 C3' 
CONECT      H13    1 O3' 
CONECT      H14    1 C4' 
CONECT      H15    1 O4' 
CONECT      H16    1 C5' 
CONECT      H17    1 C5' 
CONECT      H18    1 O5' 
CONECT      H2     1 C7  
CONECT      H161   1 N1  
END   
HET    2L4             38
HETSYN     2L4 5-(2-oxoethylideneamino)-6-D-ribitylaminouracil
HETNAM     2L4 1-deoxy-1-({2,6-dioxo-5-[(E)-(2-oxoethylidene)amino]-1,
HETNAM   2 2L4 2,3,6-tetrahydropyrimidin-4-yl}amino)-D-ribitol
FORMUL      2L4    C11 H16 N4 O7

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