Structure based on 1q16

Ideal structure
Name: phosphoric acid 4-(2-amino-4-oxo-3,4,5,6,-tetrahydro-pteridin-6-yl)-2-hydroxy-3,4-dimercapto-but-3-en-yl ester guanylate ester
Formula: C20 H26 N10 O13 P2 S2
Weight: 740.557
SMILES: "NC1=NC2=C(N[CH](C=N2)C(S)=C(S)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5C(=O)NC(=Nc45)N)C(=O)N1"
Spacial conformation based on PDB 1q16.
Also present in other 12 PDB entries.
RESIDUE   MD1     73
CONECT      PB     4 O3B  O1B  O2B  O3A 
CONECT      O3B    2 PB   PA  
CONECT      O1B    2 PB   H1B 
CONECT      O2B    1 PB  
CONECT      O3A    2 PB   C10 
CONECT      C10    4 O3A  C11  H101 H102
CONECT      C11    4 C10  O11  C12  H11 
CONECT      O11    2 C11  H1  
CONECT      C12    3 C11  S12  C13 
CONECT      S12    2 C12  H12 
CONECT      C13    3 C12  S13  C14 
CONECT      S13    2 C13  H13 
CONECT      C14    4 C13  N15  C7   H14 
CONECT      N15    3 C14  C16  H15 
CONECT      C16    3 N15  C15  C20 
CONECT      C15    3 C16  O14  N17 
CONECT      O14    1 C15 
CONECT      N17    3 C15  C17  H17 
CONECT      C17    3 N17  N16  N18 
CONECT      N16    3 C17  H161 H162
CONECT      N18    2 C17  C20 
CONECT      C20    3 C16  N18  N8  
CONECT      N8     2 C20  C7  
CONECT      C7     3 C14  N8   H7  
CONECT      PA     4 O3B  O1A  O2A  O5' 
CONECT      O1A    2 PA   H1A 
CONECT      O2A    1 PA  
CONECT      O5'    2 PA   C5' 
CONECT      C5'    4 O5'  C4'  H5'1 H5'2
CONECT      C4'    4 C5'  O4'  C3'  H4' 
CONECT      O4'    2 C4'  C1' 
CONECT      C1'    4 O4'  N9   C2'  H1' 
CONECT      N9     3 C1'  C4   C8  
CONECT      C4     3 N9   N3   C5  
CONECT      N3     2 C4   C2  
CONECT      C2     3 N3   N2   N1  
CONECT      N2     3 C2   HN21 HN22
CONECT      N1     3 C2   C6   HN1 
CONECT      C6     3 N1   O6   C5  
CONECT      O6     1 C6  
CONECT      C5     3 C4   C6   N7  
CONECT      N7     2 C5   C8  
CONECT      C8     3 N9   N7   H8  
CONECT      C2'    4 C1'  O2'  C3'  H2' 
CONECT      O2'    2 C2'  H2  
CONECT      C3'    4 C4'  C2'  O3'  H3' 
CONECT      O3'    2 C3'  H3  
CONECT      H1B    1 O1B 
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H11    1 C11 
CONECT      H1     1 O11 
CONECT      H12    1 S12 
CONECT      H13    1 S13 
CONECT      H14    1 C14 
CONECT      H15    1 N15 
CONECT      H17    1 N17 
CONECT      H161   1 N16 
CONECT      H162   1 N16 
CONECT      H7     1 C7  
CONECT      H1A    1 O1A 
CONECT      H5'1   1 C5' 
CONECT      H5'2   1 C5' 
CONECT      H4'    1 C4' 
CONECT      H1'    1 C1' 
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
CONECT      HN1    1 N1  
CONECT      H8     1 C8  
CONECT      H2'    1 C2' 
CONECT      H2     1 O2' 
CONECT      H3'    1 C3' 
CONECT      H3     1 O3' 
END   
HET    MD1             73
HETNAM     MD1 PHOSPHORIC ACID 4-(2-AMINO-4-OXO-3,4,5,6,-TETRAHYDRO-PT
HETNAM   2 MD1 ERIDIN-6-YL)-2-HYDROXY-3,4-DIMERCAPTO-BUT-3-EN-YL ESTER
HETNAM   3 MD1  GUANYLATE ESTER
FORMUL      MD1    C20 H26 N10 O13 P2 S2

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OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science