A class of metalloenzymes, known as zinc hydrolases, catalyze a variety of hydrolytic reactions on many different substrates in important metabolic pathways. Deacetylation is an example of one of the types of reactions catalyzed by zinc hydrolases. The biological importance of the reactions catalyzed by many zinc hydrolases, including zinc-dependent deacetylases, has made these enzymes pharmaceutical targets for the development of inhibitors and, therefore, a clear understanding of the mechanisms of these enzymes is warranted. This review focuses on the current understanding of the mechanisms catalyzed by various zinc-dependent deacetylases and, in particular, the reaction mechanism catalyzed by the enzyme UDP-3-O-(R-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase, also known as LpxC. In general, the zinc-water functions as the nucleophile with zinc stabilization of the tetrahedral intermediate and general-acid-base catalysis (GABC) provided by enzyme residue(s). Two types of GABC mechanisms have been identified, one that uses a single bifunctional GABC and another that uses a GABC pair.
This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 February 2014.
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#12,344,472
of 34,361,833 outputs
Outputs from Archives of Biochemistry & Biophysics
#2,865
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#67,136
of 211,672 outputs
Outputs of similar age from Archives of Biochemistry & Biophysics
#28
of 43 outputs
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