Structure based on 5u17

Ideal structure
Name: 2,4-diaminopteridine-6-carbaldehyde
Formula: C7 H6 N6 O
Weight: 190.162
SMILES: "Nc1nc(N)c2nc(C=O)cnc2n1"
Spacial conformation based on PDB 5u17
RESIDUE   7WP     20
CONECT      C2     3 C5   N    C3  
CONECT      N3     3 C4   H1   H2  
CONECT      C4     3 N3   N2   N4  
CONECT      C5     3 C2   N4   N5  
CONECT      N      2 C2   C1  
CONECT      C      3 C1   H3   O1  
CONECT      C1     3 N    C    C6  
CONECT      C3     3 C2   N1   N2  
CONECT      C6     3 C1   N5   H6  
CONECT      N1     3 C3   H7   H8  
CONECT      N2     2 C4   C3  
CONECT      N4     2 C4   C5  
CONECT      N5     2 C5   C6  
CONECT      H1     1 N3  
CONECT      H2     1 N3  
CONECT      H3     1 C   
CONECT      H6     1 C6  
CONECT      H7     1 N1  
CONECT      H8     1 N1  
CONECT      O1     1 C   
END   
HET    7WP             20
HETNAM     7WP 2,4-diaminopteridine-6-carbaldehyde
FORMUL      7WP    C7 H6 N6 O1

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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