Structure based on 4hv3

Ideal structure
Name: (2s)-2-[[(2s)-2-[(2-azanyl-4-oxidanylidene-1h-pteridin-7-yl)carbonylamino]-3-oxidanyl-propanoyl]amino]-3-(1h-indol-3-yl)propanoic acid
Formula: C21 H20 N8 O6
Weight: 480.434
SMILES: "NC1=NC(=O)c2ncc(nc2N1)C(=O)N[CH](CO)C(=O)N[CH](Cc3c[nH]c4ccccc34)C(O)=O"
Spacial conformation based on PDB 4hv3
RESIDUE   19L     55
CONECT      C      3 N    N1   N2  
CONECT      N      3 C    H1   H2  
CONECT      O      1 C1  
CONECT      C1     3 O    N1   C2  
CONECT      N1     2 C    C1  
CONECT      C2     3 C1   C3   N4  
CONECT      N2     3 C    C3   H20 
CONECT      O1     1 C6  
CONECT      C3     3 C2   N2   N3  
CONECT      N3     2 C3   C4  
CONECT      C4     3 N3   C5   C6  
CONECT      N4     2 C2   C5  
CONECT      C5     3 C4   N4   H19 
CONECT      C6     3 O1   C4   N5  
CONECT      N5     3 C6   C7   H18 
CONECT      C7     4 N5   C9   C8   H14 
CONECT      C9     3 C7   O3   N6  
CONECT      O3     1 C9  
CONECT      C8     4 C7   O2   H15  H16 
CONECT      O2     2 C8   H17 
CONECT      N6     3 C9   C10  H13 
CONECT      C10    4 N6   C20  C11  H4  
CONECT      C20    3 C10  O4   O5  
CONECT      O4     1 C20 
CONECT      C11    4 C10  C12  H5   H6  
CONECT      C12    3 C11  C13  C15 
CONECT      C13    3 C12  N7   H12 
CONECT      C15    3 C12  C14  C16 
CONECT      N7     3 C13  C14  H11 
CONECT      C14    3 C15  N7   C19 
CONECT      C16    3 C15  C17  H7  
CONECT      C19    3 C14  C18  H10 
CONECT      C17    3 C16  C18  H8  
CONECT      C18    3 C19  C17  H9  
CONECT      O5     2 C20  H3  
CONECT      H1     1 N   
CONECT      H2     1 N   
CONECT      H20    1 N2  
CONECT      H19    1 C5  
CONECT      H18    1 N5  
CONECT      H14    1 C7  
CONECT      H15    1 C8  
CONECT      H16    1 C8  
CONECT      H17    1 O2  
CONECT      H13    1 N6  
CONECT      H4     1 C10 
CONECT      H5     1 C11 
CONECT      H6     1 C11 
CONECT      H12    1 C13 
CONECT      H11    1 N7  
CONECT      H7     1 C16 
CONECT      H10    1 C19 
CONECT      H8     1 C17 
CONECT      H9     1 C18 
CONECT      H3     1 O5  
END   
HET    19L             55
HETNAM     19L (2S)-2-[[(2S)-2-[(2-azanyl-4-oxidanylidene-1H-pteridin-
HETNAM   2 19L 7-yl)carbonylamino]-3-oxidanyl-propanoyl]amino]-3-(1H-i
HETNAM   3 19L ndol-3-yl)propanoic acid
FORMUL      19L    C21 H20 N8 O6

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