Comparison of Three Inhibitor Complexes of Human Immunodeficiency Virus Protease
The protease encoded by human immunodeficiency virus (HIV) presents one of the most promising targets for designing new classes of drugs which could be therapeutically beneficial in cases of acquired immune deficiency syndrome (AIDS). A rational approach to drug design begins with characterization of the target enzyme and of enzyme-inhibitor complexes. In addition to kinetic data, structural information can elucidate precise interactions between inhibitors and the enzyme that may be responsible for effective inhibition. To aid in this drug design effort a large number of complexes of HIV-1 protease with substrate-based inhibitors are being studied, and several crystal structures of these complexes have been solved. Five structures of HIV-1 protease-inhibitor complexes have already been published (Miller et al., 1989; Erickson et al. 1990; Fitzgerald et al., 1990; Swain et al., 1990; Jaskólski et al., 1991). It is necessary to compare these structures in order to draw general conclusions about the nature of protein-inhibitor interactions.
KeywordsHuman Immunodeficiency Virus Acquire Immune Deficiency Syndrome Carbonyl Oxygen Hydrogen Bonding Distance Polar Contact
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