Structure based on 4gup

Ideal structure
Name: 2-amino-4-oxo-3,4-dihydropteridine-6-carbaldehyde
Formula: C7 H5 N5 O2
Weight: 191.147
SMILES: "NC1=Nc2ncc(C=O)nc2C(=O)N1"
Spacial conformation based on PDB 4gup.
Also present on 4l4t
RESIDUE   6FP     19
CONECT      O9     1 C9  
CONECT      C9     3 O9   C6   H2  
CONECT      C6     3 C9   N5   C7  
CONECT      N5     2 C6   C4A 
CONECT      C4A    3 N5   C4   C8A 
CONECT      C4     3 C4A  O4   N3  
CONECT      O4     1 C4  
CONECT      N3     3 C4   C2   H4  
CONECT      C2     3 N3   N2   N1  
CONECT      N2     3 C2   H5   H6  
CONECT      N1     2 C2   C8A 
CONECT      C8A    3 C4A  N1   N8  
CONECT      N8     2 C8A  C7  
CONECT      C7     3 C6   N8   H7  
CONECT      H2     1 C9  
CONECT      H4     1 N3  
CONECT      H5     1 N2  
CONECT      H6     1 N2  
CONECT      H7     1 C7  
HET    6FP             19
HETSYN     6FP 6-formylpterin
HETNAM     6FP 2-amino-4-oxo-3,4-dihydropteridine-6-carbaldehyde
FORMUL      6FP    C7 H5 N5 O2

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