Structure based on 1rwn

Ideal structure
Name: 3-{2-ethyl-6-[4-(quinoxalin-2-ylamino)-benzoylamino]-hexanoylamino}-4-oxo-butyric acid
Formula: C27 H31 N5 O5
Weight: 505.566
SMILES: "CC[CH](CCCCNC(=O)c1ccc(Nc2cnc3ccccc3n2)cc1)C(=O)N[CH](CC(O)=O)C=O"
Spacial conformation based on PDB 1rwn
RESIDUE   4QB     68
CONECT      O37    1 C6  
CONECT      C6     3 O37  O35  C7  
CONECT      O35    2 C6   H35 
CONECT      C7     4 C6   C28  H71  H72 
CONECT      C28    4 C7   C18  N5   H28 
CONECT      C18    3 C28  O33  H18 
CONECT      O33    1 C18 
CONECT      N5     3 C28  C16  HN5 
CONECT      C16    3 N5   O34  C10 
CONECT      O34    1 C16 
CONECT      C10    4 C16  C9   C11  H10 
CONECT      C9     4 C10  C31  H91  H92 
CONECT      C31    4 C9   H311 H312 H313
CONECT      C11    4 C10  C12  H111 H112
CONECT      C12    4 C11  C13  H121 H122
CONECT      C13    4 C12  C14  H131 H132
CONECT      C14    4 C13  N4   H141 H142
CONECT      N4     3 C14  C19  HN4 
CONECT      C19    3 N4   O36  C17 
CONECT      O36    1 C19 
CONECT      C17    3 C19  C20  C24 
CONECT      C20    3 C17  C21  H20 
CONECT      C21    3 C20  C22  H21 
CONECT      C22    3 C21  C23  N3  
CONECT      C23    3 C22  C24  H23 
CONECT      C24    3 C17  C23  H24 
CONECT      N3     3 C22  C26  HN3 
CONECT      C26    3 N3   N1   C27 
CONECT      N1     2 C26  C30 
CONECT      C27    3 C26  N2   H27 
CONECT      N2     2 C27  C29 
CONECT      C29    3 N2   C25  C30 
CONECT      C25    3 C29  C8   H25 
CONECT      C8     3 C25  C32  H8  
CONECT      C30    3 N1   C29  C15 
CONECT      C15    3 C30  C32  H15 
CONECT      C32    3 C8   C15  H32 
CONECT      H35    1 O35 
CONECT      H71    1 C7  
CONECT      H72    1 C7  
CONECT      H28    1 C28 
CONECT      H18    1 C18 
CONECT      HN5    1 N5  
CONECT      H10    1 C10 
CONECT      H91    1 C9  
CONECT      H92    1 C9  
CONECT      H311   1 C31 
CONECT      H312   1 C31 
CONECT      H313   1 C31 
CONECT      H111   1 C11 
CONECT      H112   1 C11 
CONECT      H121   1 C12 
CONECT      H122   1 C12 
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H141   1 C14 
CONECT      H142   1 C14 
CONECT      HN4    1 N4  
CONECT      H20    1 C20 
CONECT      H21    1 C21 
CONECT      H23    1 C23 
CONECT      H24    1 C24 
CONECT      HN3    1 N3  
CONECT      H27    1 C27 
CONECT      H25    1 C25 
CONECT      H8     1 C8  
CONECT      H15    1 C15 
CONECT      H32    1 C32 
END   
HET    4QB             68
HETNAM     4QB 3-{2-ETHYL-6-[4-(QUINOXALIN-2-YLAMINO)-BENZOYLAMINO]-HE
HETNAM   2 4QB XANOYLAMINO}-4-OXO-BUTYRIC ACID
FORMUL      4QB    C27 H31 N5 O5

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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