Structure based on 1qcj

Ideal structure
Name: 2-amino-6-[(4-carboxy-phenylamino)-methyl]-4-hydroxy-pteridin-1-ium
Formula: C14 H13 N6 O3
Weight: 313.291
SMILES: "Nc1nc(O)c2nc(CNc3ccc(cc3)C(O)=O)cnc2[nH+]1"
Spacial conformation based on PDB 1qcj
RESIDUE   APT     36
CONECT      C8     4 C13  N4   H82  H81 
CONECT      N9     2 C9   C14 
CONECT      C9     3 N9   N3   C12 
CONECT      N3     3 C9   C10  H3  
CONECT      C10    3 N3   N2   N1  
CONECT      N2     3 C10  H21  H22 
CONECT      N1     2 C10  C11 
CONECT      C11    3 N1   O6   C12 
CONECT      O6     2 C11  HO6 
CONECT      C12    3 C9   C11  N7  
CONECT      N7     2 C12  C13 
CONECT      C13    3 C8   N7   C14 
CONECT      C14    3 N9   C13  H9  
CONECT      N4     3 C8   C6   HN4 
CONECT      C1     3 C2   C6   H1  
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C2   C4   C7  
CONECT      C4     3 C3   C5   H4  
CONECT      C5     3 C4   C6   H5  
CONECT      C6     3 N4   C1   C5  
CONECT      C7     3 C3   O2   O3  
CONECT      O2     2 C7   HO2 
CONECT      O3     1 C7  
CONECT      H82    1 C8  
CONECT      H81    1 C8  
CONECT      H3     1 N3  
CONECT      H21    1 N2  
CONECT      H22    1 N2  
CONECT      HO6    1 O6  
CONECT      H9     1 C14 
CONECT      HN4    1 N4  
CONECT      H1     1 C1  
CONECT      H2     1 C2  
CONECT      H4     1 C4  
CONECT      H5     1 C5  
CONECT      HO2    1 O2  
END   
HET    APT             36
HETSYN     APT PTERIC ACID
HETNAM     APT 2-AMINO-6-[(4-CARBOXY-PHENYLAMINO)-METHYL]-4-HYDROXY-PT
HETNAM   2 APT ERIDIN-1-IUM
FORMUL      APT    C14 H13 N6 O3 1+

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