SYSTEM 
HIV-2 PR 
(ROD isolate) with the inhibitor BILA 1906 containing the hydroxyethylamine dipeptide izostere
HIVdb File 
hiv2bip
PDB File 
1ida 
Company or Laboratory 
Boehringer Ingelheim Pharmaceuticals
Year 
1994
INHIBITOR (Type) 
BILA-1906 (hydroxyethylamine isostere) 
Composition of the Inhibitor (Substrate) or Summary Formula 
QND - Val - Hbp - Ppl - PY2 Quinaldic acid - Val - (2-hydroxy - 3-amino - 4-phenyl butane) - (N- (Tert - Butyl) Piperazinyl amide) - (3 -(Mercapto methylene) pyridine
Resolution 
1.7Ao
R factor 
0.196
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, 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 upom inhibitor binding, residues 29 and 30 can also adapt their conformation to fit ceratin inhibitors