SYSTEM 
HIV-2 PR 
(ROD isolate) with the inhibitor BILA-2450 containing the hydroxyethylamine dipeptide izostere
HIVdb File 
hiv3bip
PDB File 
1idb 
Company or Laboratory 
Boehringer Ingelheim Pharmaceuticals
Year 
1995
INHIBITOR (Type) 
BILA-2450 (hydroxyethylamine isostere) 
Composition of the Inhibitor (Substrate) or Summary Formula 
DBA-PHM-PPL-SPY
(2,6 - dimethyl benzoyl) acetic acid - phenylalanyl methane - N - (tert-butyl) piperazinyl amide - 4 - sulfino pyridine
Schematic Formula 
BILA 2450 
Resolution 
2.2Ao
R factor 
0.18
Space Group 
P43212
Dimension of Elementary Cell 
a=62.60,b=62.60,c=115.80
a,b,g
(alpha,beta,gamma)
a=b=g=90
Reference  L.Tong, S. Pav, S. Mui, D. Lamarre, C. Yoakim, P. Beaulieu, P.C. Anderson; Structure, 3, p.33, 1995
Comment  This study shows that besides the residues in the flap and residues 79-81 in the S1 substrate-binding pocket which undergo conformational changes upon inhibitor binding, residues 29 and 30 can also adapt their conformation to fit certain inhibitors