SYSTEM 
HIV-1 PR 
(BH10 isolate) with inhibitor SB203238 
HIVdb File 
hiv8skb
PDB File 
1hbv 
Company or Laboratory 
SmithKline Beecham Pharmaceuticals
Year 
1995
INHIBITOR (Type) 
SB203238 (reduced amide isostere) 
Composition of the Inhibitor (Substrate) or Summary Formula 
2- [3- benzyl -5- (1- alanyl - aminoethyl -2, 3, 6, 7- tetrahydro -1H- azepin -1- Yl] - oxopropyl - valinyl - valine - methylester
Schematic Formula 
SB203238 
Resolution 
2.3Ao
R factor 
0.177
Space Group 
P61
Dimension of Elementary Cell 
a=63.40,b=63.40,c=83.90
a,b,g
(alpha,beta,gamma)
a=b=90.00,g=120.00
Reference  S.S.Hoog, B.Zhao, E.Winborne, S.Fisher, D.W.Green, R.L.DesJarlais, K.A.Newlander, J.F.Callahan, M.L.Moore, W.F.Huffman, S.Abdel-Meguid; J.Med.Chem., 38, 3246, 1995
Comment  The inhibitor incorporates C7 mimetics that lock three aminoacid residue of a peptide into a g turn