منابع مشابه
Folded monomer of HIV-1 protease.
The mature human immunodeficiency virus type 1 protease rapidly folds into an enzymatically active stable dimer, exhibiting an intricate interplay between structure formation and dimerization. We now show by NMR and sedimentation equilibrium studies that a mutant protease containing the R87K substitution (PR(R87K)) within the highly conserved Gly(86)-Arg(87)-Asn(88) sequence forms a monomer wit...
متن کاملHigh-resolution structure of a retroviral protease folded as a monomer
Mason-Pfizer monkey virus (M-PMV), a D-type retrovirus assembling in the cytoplasm, causes simian acquired immunodeficiency syndrome (SAIDS) in rhesus monkeys. Its pepsin-like aspartic protease (retropepsin) is an integral part of the expressed retroviral polyproteins. As in all retroviral life cycles, release and dimerization of the protease (PR) is strictly required for polyprotein processing...
متن کاملMultiple Routes and Milestones in the Folding of HIV–1 Protease Monomer
Proteins fold on a time scale incompatible with a mechanism of random search in conformational space thus indicating that somehow they are guided to the native state through a funneled energetic landscape. At the same time the heterogeneous kinetics suggests the existence of several different folding routes. Here we propose a scenario for the folding mechanism of the monomer of HIV-1 protease i...
متن کاملThe folding and dimerization of HIV-1 protease: evidence for a stable monomer from simulations.
HIV-1 protease (PR) is a major drug target in combating AIDS, as it plays a key role in maturation and replication of the virus. Six FDA-approved drugs are currently in clinical use, all designed to inhibit enzyme activity by blocking the active site, which exists only in the dimer. An alternative inhibition mode would be required to overcome the emergence of drug-resistance through the accumul...
متن کاملHIV-1 protease inhibitors.
Treatment of human immunodeficiency virus type 1 (HIV-1) infection with regimens that include protease inhibitors (PIs) has contributed to marked improvements in HIV-related disease progression and mortality. Five PIs are approved by the US Food and Drug Administration and have potent activity in vitro. PIs with 2 nucleoside analogue reverse transcriptase inhibitors have demonstrated prolonged ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2001
ISSN: 0021-9258
DOI: 10.1074/jbc.m108136200