SYSTEM 
HIV-1 PR 
(BRU isolate)with inhibitor VX-478 
HIVdb File 
hiv1vpi
PDB File (if present) 
1hpv 
Company or Laboratory 
Vertex Pharmaceuticals Incorporated
Year 
1995
INHIBITOR (Type) 
VX-478 (hydroxyethylene isostere)amino sulfonamide inhibitor
Composition of the Inhibitor (Substrate) or Summary Formula 
(3 (S) - N - (3 - tetrahydrofuranyl oxycarbonyl) amino - 1 - ( N,N-isobutyl, 4 - aminobenzene sulfonyl) amino - 2 - (S) - hydroxy - 4 - phenylbutane
Schematic Formula 
VX-478 
Resolution 
1.9Ao
R factor 
0.192
Space Group 
P61
Dimension of Elementary Cell 
a=63.40,b=63.40,c=83.80
a,b,g
(alpha,beta,gamma)
a=b=90.00 g=120.00
Reference  E.E.Kim, C.T. Baker, M.D.Dwyer, M.A. Murcko, B.G.Rao, R.D.Tung, M.A.Navia, J.Am.Chem.Soc., 117, 1181, 1995
Comment  Low molecular weight, orally bioavailable HIV proteinase inhibitor. Synthetic accesible, high antiviral potency,low cellular toxicity and aqueous solubility without obligate charges