SYSTEM 
HIV-1 PR 
(HXB-3 isolate) with inhibitor RO 31-8959 [Invirase (saquinavir)]
HIVdb File 
hiv1hlr
PDB File 
1hxb 
Company or Laboratory 
Hoffmann-La Roche
Year 
1996
INHIBITOR (Type) 
RO 31-8959 (hydroxyethylamine isostere)
Composition of the Inhibitor (Substrate) or Summary Formula 
N/A
Schematic Formula 
N/A
Resolution 
2.3Ao
R factor 
0.161
Space Group 
P61
Dimension of Elementary Cell 
a=63.31,b=63.31,c=83.45
a,b,g
(alpha,beta,gamma)
a=90,b=90,g=120
Reference  N.A.Roberts, J.A.Martin, D.Kinchington, A.V.Broadhurst, J.C.Craig, I.B.Duncan, S.A.Galpin, B.K.Handa, J.Kay, A.Krohn, et al.; Science, 248, 358, 1990 
Comment  There is a structure of HIV-1 PR with inhibitor saquinavir (Invirase) recently approved by the U.S. Food and Drug Administration (FDA) for use in combination with reverse transcriptase inhibitors.