Structure based on 1iqf

Ideal structure
Name: (2r)-4-[(6-chloro-2-naphthalenyl)sulfonyl]-6-oxo-1-[[1-(4-pyridinyl)-4-piperidinyl]methyl]-2-piperazinecarboxylic acid ethyl ester
Formula: C28 H31 Cl N4 O5 S
Weight: 571.088
SMILES: "CCOC(=O)[CH]1CN(CC(=O)N1CC2CCN(CC2)c3ccncc3)[S](=O)(=O)c4ccc5cc(Cl)ccc5c4"
Spacial conformation based on PDB 1iqf
RESIDUE   XMD     70
CONECT      C1     3 C2   C6   H1  
CONECT      C2     3 C1   C5   S12 
CONECT      C3     3 C4   C6   C9  
CONECT      C4     3 C3   C5   H4  
CONECT      C5     3 C2   C4   H5  
CONECT      C6     3 C1   C3   C8  
CONECT      CL7    1 C11 
CONECT      C8     3 C6   C10  H8  
CONECT      C9     3 C3   C11  H9  
CONECT      C10    3 C8   C11  H10 
CONECT      C11    3 CL7  C9   C10 
CONECT      S12    4 C2   O13  N21  O26 
CONECT      O13    1 S12 
CONECT      C14    4 C15  C20  N25  H14 
CONECT      C15    3 C14  O16  O19 
CONECT      O16    2 C15  C17 
CONECT      C17    4 O16  C18  H171 H172
CONECT      C18    4 C17  H181 H182 H183
CONECT      O19    1 C15 
CONECT      C20    4 C14  N21  H201 H202
CONECT      N21    3 S12  C20  C24 
CONECT      C22    3 O23  C24  N25 
CONECT      O23    1 C22 
CONECT      C24    4 N21  C22  H241 H242
CONECT      N25    3 C14  C22  C27 
CONECT      O26    1 S12 
CONECT      C27    4 N25  C35  H271 H272
CONECT      C28    3 C31  N37  H28 
CONECT      N29    3 C30  C32  C34 
CONECT      C30    3 N29  C31  C33 
CONECT      C31    3 C28  C30  H31 
CONECT      C32    4 N29  C36  H321 H322
CONECT      C33    3 C30  C38  H33 
CONECT      C34    4 N29  C39  H341 H342
CONECT      C35    4 C27  C36  C39  H35 
CONECT      C36    4 C32  C35  H361 H362
CONECT      N37    2 C28  C38 
CONECT      C38    3 C33  N37  H38 
CONECT      C39    4 C34  C35  H391 H392
CONECT      H1     1 C1  
CONECT      H4     1 C4  
CONECT      H5     1 C5  
CONECT      H8     1 C8  
CONECT      H9     1 C9  
CONECT      H10    1 C10 
CONECT      H14    1 C14 
CONECT      H171   1 C17 
CONECT      H172   1 C17 
CONECT      H181   1 C18 
CONECT      H182   1 C18 
CONECT      H183   1 C18 
CONECT      H201   1 C20 
CONECT      H202   1 C20 
CONECT      H241   1 C24 
CONECT      H242   1 C24 
CONECT      H271   1 C27 
CONECT      H272   1 C27 
CONECT      H28    1 C28 
CONECT      H31    1 C31 
CONECT      H321   1 C32 
CONECT      H322   1 C32 
CONECT      H33    1 C33 
CONECT      H341   1 C34 
CONECT      H342   1 C34 
CONECT      H35    1 C35 
CONECT      H361   1 C36 
CONECT      H362   1 C36 
CONECT      H38    1 C38 
CONECT      H391   1 C39 
CONECT      H392   1 C39 
END   
HET    XMD             70
HETNAM     XMD (2R)-4-[(6-CHLORO-2-NAPHTHALENYL)SULFONYL]-6-OXO-1-[[1-
HETNAM   2 XMD (4-PYRIDINYL)-4-PIPERIDINYL]METHYL]-2-PIPERAZINECARBOXY
HETNAM   3 XMD LIC ACID ETHYL ESTER
FORMUL      XMD    C28 H31 Cl1 N4 O5 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