SYSTEM 
HIV-1 PR 
(BH10 isolate) with inhibitor SKF 108738
HIVdb File 
hiv1skb
PDB File 
1hef 
Company or Laboratory 
SmithKline Beecham Pharmaceuticals
Year 
1992
INHIBITOR (Type) 
SKF 108738 (hydroxyethylene isostere)
Composition of the Inhibitor (Substrate) or Summary Formula 
Ala - Ala - Phe - psi[(S)- CH(OH)CH2] - Phe - Val - Val - OMe 
Resolution 
2.2Ao
R factor 
0.159
Space Group 
P6122
Dimension of Elementary Cell 
a=63.07,b=63,07,c=83.520
a,b,g  
(alpha,beta,gamma)
a=b=90.00 g=120.00
Reference  K.H.M. Murthy, E.L.Winborne, M.D.Minnich, J.S. Culp, C.Debouck; J.Biol.Chem.,267, 22770, 1992
Comment  Inhibitors are present in two distinct orientations, this variant of the HIV-1 PR has Asn36 as confirmed by inspection of the electron density