SYSTEM 
HIV-2 PR 
(isolate unknown) K57L mutant with inhibitor U92163
HIVdb File 
hiv2ulk
PDB File 
1ivq 
Company or Laboratory 
Upjohn Company, Kalamazoo
Year 
1993
INHIBITOR (Type) 
U92163 (hydroxyethylene isostere) 
Composition of the Inhibitor (Substrate) or Summary Formula 
Qnc - Asn - Cha - psi[CH(OH)CH2] - Val - Npt
Resolution 
2.6Ao
R factor 
0.186
Space Group 
P212121
Dimension of Elementary Cell 
a=32.20,b=46.23,c=135.59
a,b,g
(alpha,beta,gamma)
a=b=g=90
Reference  A.M.Mulichak, J.O.Hui, A.G.Tomasselli, R.L. Heinrikson, K.A.Curry, C.S.Tomich, S.Thaisrivongs, T.K. Sawyer, K.D. Watenpaugh; J.Biol.Chem. 268, 13103, 1993
Comment  Little electron density was observed for side chains of residues Lys A7, Glu A21, Ser A43, Asn A61, Glu B37, Asn B41, Glu B65, Val B71. These residues were refined as Gly,Ala or incomplete side chains