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Protease inhibitors were the second class of antiretroviral drugs developed. The first members of this class, saquinavir, ritonavir, and indinavir, were approved in late 1995–1996. Within 2 years, annual deaths from AIDS in the United States fell from over 50,000 to approximately 18,000 [5] Prior to this the annual death rate had been ...
AEBSF or 4- (2-aminoethyl)benzenesulfonyl fluoride hydrochloride is a water-soluble, irreversible serine protease inhibitor with a molecular weight of 239.5 Da. It inhibits proteases like chymotrypsin, kallikrein, plasmin, thrombin, and trypsin. The specificity is similar to the inhibitor PMSF, nevertheless AEBSF is more stable at low pH values ...
Ubenimex (), also known more commonly as bestatin, is a competitive, reversible protease inhibitor.It is an inhibitor of arginyl aminopeptidase (aminopeptidase B), [3] leukotriene A 4 hydrolase (a zinc metalloprotease that displays both epoxide hydrolase and aminopeptidase activities), [4] alanyl aminopeptidase (aminopeptidase M/N), [5] leucyl/cystinyl aminopeptidase (oxytocinase ...
Proteinase propeptide inhibitors (sometimes referred to as activation peptides) are responsible for the modulation of folding and activity of the peptidase pro-enzyme or zymogen. The pro-segment docks into the enzyme, shielding the substrate binding site, thereby promoting inhibition of the enzyme.
In biochemistry, phenylmethylsulfonyl fluoride (PMSF) is a serine protease inhibitor (serine hydrolase inactivator) commonly used in the preparation of cell lysates. PMSF does not inactivate all serine proteases. [1] The effective concentration of PMSF is between 0.1 - 1 mM. The half-life is short in aqueous solutions (110 min at pH 7, 55 min ...
The inhibitor binds to the zinc at the active center of the enzyme, thereby blocking its activity. Other inhibitor mechanisms are possible. [1] α2-Macroglobulin (α2M) is a protease inhibitor which inhibits activated MMPs. α2M and MMP form a complex which is able to inactivate the MMP. [9]