Structure based on 2xk7

Ideal structure
Name: (3r,4r)-1-[3-amino-6-(3,4,5-trimethoxyphenyl)pyrazin-2-yl]-3-ethylpiperidine-4-carboxylic acid
Formula: C21 H28 N4 O5
Weight: 416.471
SMILES: "CC[CH]1CN(CC[CH]1C(O)=O)c2nc(cnc2N)c3cc(OC)c(OC)c(OC)c3"
Spacial conformation based on PDB 2xk7
RESIDUE   30E     58
CONECT      C01    4 C02  H011 H012 H013
CONECT      C02    4 C01  C03  H021 H022
CONECT      C03    4 C02  C04  C27  H03 
CONECT      C04    4 C03  N05  H041 H042
CONECT      N05    3 C04  C06  C25 
CONECT      C06    3 N05  N07  C23 
CONECT      N07    2 C06  C08 
CONECT      C08    3 N07  C09  C21 
CONECT      C09    3 C08  C10  C20 
CONECT      C10    3 C09  C11  H10 
CONECT      C11    3 C10  O12  C14 
CONECT      O12    2 C11  C13 
CONECT      C13    4 O12  H131 H132 H133
CONECT      C14    3 C11  O15  C17 
CONECT      O15    2 C14  C16 
CONECT      C16    4 O15  H161 H162 H163
CONECT      C17    3 C14  O18  C20 
CONECT      O18    2 C17  C19 
CONECT      C19    4 O18  H191 H192 H193
CONECT      C20    3 C09  C17  H20 
CONECT      C21    3 C08  N22  H21 
CONECT      N22    2 C21  C23 
CONECT      C23    3 C06  N22  N24 
CONECT      N24    3 C23  H241 H242
CONECT      C25    4 N05  C26  H251 H252
CONECT      C26    4 C25  C27  H261 H262
CONECT      C27    4 C03  C26  C28  H27 
CONECT      C28    3 C27  O29  O30 
CONECT      O29    1 C28 
CONECT      O30    2 C28  H30 
CONECT      H011   1 C01 
CONECT      H012   1 C01 
CONECT      H013   1 C01 
CONECT      H021   1 C02 
CONECT      H022   1 C02 
CONECT      H03    1 C03 
CONECT      H041   1 C04 
CONECT      H042   1 C04 
CONECT      H27    1 C27 
CONECT      H251   1 C25 
CONECT      H252   1 C25 
CONECT      H21    1 C21 
CONECT      H10    1 C10 
CONECT      H20    1 C20 
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H133   1 C13 
CONECT      H161   1 C16 
CONECT      H162   1 C16 
CONECT      H163   1 C16 
CONECT      H191   1 C19 
CONECT      H192   1 C19 
CONECT      H193   1 C19 
CONECT      H241   1 N24 
CONECT      H242   1 N24 
CONECT      H261   1 C26 
CONECT      H262   1 C26 
CONECT      H30    1 O30 
END   
HET    30E             58
HETNAM     30E (3R,4R)-1-[3-amino-6-(3,4,5-trimethoxyphenyl)pyrazin-2-
HETNAM   2 30E yl]-3-ethylpiperidine-4-carboxylic acid
FORMUL      30E    C21 H28 N4 O5

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