Structure based on 1p4r

Ideal structure
Name: n-[(s)-(4-{[(2-amino-4-hydroxyquinazolin-6-yl)(dihydroxy)-lambda~4~-sulfanyl]amino}phenyl)(hydroxy)methyl]-l-glutamic acid
Formula: C20 H23 N5 O8 S
Weight: 493.490
SMILES: "Nc1nc(O)c2cc(ccc2n1)[S](O)(O)Nc3ccc(cc3)[CH](O)N[CH](CCC(O)=O)C(O)=O"
Spacial conformation based on PDB 1p4r
RESIDUE   354     57
CONECT      N2     3 C2   HN21 HN22
CONECT      C2     3 N2   N1   N3  
CONECT      N1     2 C2   C8A 
CONECT      C8A    3 N1   C4A  C8  
CONECT      C4A    3 C8A  C5   C4  
CONECT      C5     3 C4A  C6   H5  
CONECT      C6     3 C5   C7   S9  
CONECT      C7     3 C6   C8   H7  
CONECT      C8     3 C8A  C7   H8  
CONECT      S9     4 C6   O91  O9   N10 
CONECT      O91    2 S9   H91 
CONECT      O9     2 S9   HO9 
CONECT      N10    3 S9   C11  H10 
CONECT      C11    3 N10  C16  C12 
CONECT      C16    3 C11  C15  H16 
CONECT      C15    3 C16  C14  H15 
CONECT      C14    3 C15  C13  C17 
CONECT      C13    3 C14  C12  H13 
CONECT      C12    3 C11  C13  H12 
CONECT      C17    4 C14  O17  N    H17 
CONECT      O17    2 C17  H1  
CONECT      N      3 C17  CA   HN  
CONECT      CA     4 N    CB   C    HA  
CONECT      CB     4 CA   CG   HB1  HB2 
CONECT      CG     4 CB   CD   HG1  HG2 
CONECT      CD     3 CG   OE1  OE2 
CONECT      OE1    2 CD   HE1 
CONECT      OE2    1 CD  
CONECT      C      3 CA   O    OT  
CONECT      O      2 C    HO  
CONECT      OT     1 C   
CONECT      C4     3 C4A  O4   N3  
CONECT      O4     2 C4   HO4 
CONECT      N3     2 C2   C4  
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
CONECT      H5     1 C5  
CONECT      H7     1 C7  
CONECT      H8     1 C8  
CONECT      H91    1 O91 
CONECT      HO9    1 O9  
CONECT      H10    1 N10 
CONECT      H16    1 C16 
CONECT      H15    1 C15 
CONECT      H13    1 C13 
CONECT      H12    1 C12 
CONECT      H17    1 C17 
CONECT      H1     1 O17 
CONECT      HN     1 N   
CONECT      HA     1 CA  
CONECT      HB1    1 CB  
CONECT      HB2    1 CB  
CONECT      HG1    1 CG  
CONECT      HG2    1 CG  
CONECT      HE1    1 OE1 
CONECT      HO     1 O   
CONECT      HO4    1 O4  
END   
HET    354             57
HETNAM     354 N-[(S)-(4-{[(2-AMINO-4-HYDROXYQUINAZOLIN-6-YL)(DIHYDROX
HETNAM   2 354 Y)-LAMBDA~4~-SULFANYL]AMINO}PHENYL)(HYDROXY)METHYL]-L-G
HETNAM   3 354 LUTAMIC ACID
FORMUL      354    C20 H23 N5 O8 S1

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