Structure based on 4kjv

Ideal structure
Name: 6-methoxy-5-({(3s)-3-[(n-methyl-l-alanyl)amino]-4-oxo-2',3,3',4,5',6'-hexahydro-5h-spiro[1,5-benzoxazepine-2,4'-pyran]-5-yl}methyl)naphthalene-2-carboxylic acid
Formula: C30 H33 N3 O7
Weight: 547.599
SMILES: "CN[CH](C)C(=O)N[CH]1C(=O)N(Cc2c(OC)ccc3cc(ccc23)C(O)=O)c4ccccc4OC15CCOCC5"
Spacial conformation based on PDB 4kjv
RESIDUE   1RK     73
CONECT      C29    4 O28  H1   H2   H3  
CONECT      O28    2 C29  C27 
CONECT      C27    3 O28  C30  C15 
CONECT      C30    3 C27  C31  H4  
CONECT      C31    3 C30  C32  H5  
CONECT      C32    3 C31  C34  C33 
CONECT      C34    3 C32  C35  H6  
CONECT      C35    3 C34  C38  C36 
CONECT      C38    3 C35  O40  O39 
CONECT      O40    1 C38 
CONECT      O39    2 C38  H7  
CONECT      C36    3 C35  C37  H8  
CONECT      C37    3 C36  C33  H9  
CONECT      C33    3 C32  C37  C15 
CONECT      C15    3 C27  C33  C14 
CONECT      C14    4 C15  N13  H10  H11 
CONECT      N13    3 C14  C16  C12 
CONECT      C16    3 N13  O17  C7  
CONECT      O17    1 C16 
CONECT      C12    3 N13  C21  C11 
CONECT      C21    3 C12  C19  H12 
CONECT      C19    3 C21  C20  H13 
CONECT      C20    3 C19  C18  H14 
CONECT      C18    3 C20  C11  H15 
CONECT      C11    3 C12  C18  O10 
CONECT      O10    2 C11  C9  
CONECT      C9     4 O10  C22  C26  C7  
CONECT      C22    4 C9   C23  H16  H17 
CONECT      C23    4 C22  O24  H18  H19 
CONECT      O24    2 C23  C25 
CONECT      C25    4 O24  C26  H20  H21 
CONECT      C26    4 C9   C25  H22  H23 
CONECT      C7     4 C16  C9   N6   H24 
CONECT      N6     3 C7   C5   H25 
CONECT      C5     3 N6   O8   C3  
CONECT      O8     1 C5  
CONECT      C3     4 C5   C4   N1   H26 
CONECT      C4     4 C3   H27  H28  H29 
CONECT      N1     3 C3   C2   H30 
CONECT      C2     4 N1   H32  H33  H34 
CONECT      H1     1 C29 
CONECT      H2     1 C29 
CONECT      H3     1 C29 
CONECT      H4     1 C30 
CONECT      H5     1 C31 
CONECT      H6     1 C34 
CONECT      H7     1 O39 
CONECT      H8     1 C36 
CONECT      H9     1 C37 
CONECT      H10    1 C14 
CONECT      H11    1 C14 
CONECT      H12    1 C21 
CONECT      H13    1 C19 
CONECT      H14    1 C20 
CONECT      H15    1 C18 
CONECT      H16    1 C22 
CONECT      H17    1 C22 
CONECT      H18    1 C23 
CONECT      H19    1 C23 
CONECT      H20    1 C25 
CONECT      H21    1 C25 
CONECT      H22    1 C26 
CONECT      H23    1 C26 
CONECT      H24    1 C7  
CONECT      H25    1 N6  
CONECT      H26    1 C3  
CONECT      H27    1 C4  
CONECT      H28    1 C4  
CONECT      H29    1 C4  
CONECT      H30    1 N1  
CONECT      H32    1 C2  
CONECT      H33    1 C2  
CONECT      H34    1 C2  
END   
HET    1RK             73
HETNAM     1RK 6-methoxy-5-({(3S)-3-[(N-methyl-L-alanyl)amino]-4-oxo-2
HETNAM   2 1RK ',3,3',4,5',6'-hexahydro-5H-spiro[1,5-benzoxazepine-2,4
HETNAM   3 1RK '-pyran]-5-yl}methyl)naphthalene-2-carboxylic acid
FORMUL      1RK    C30 H33 N3 O7

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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