Expanding the Catalytic Triad in Epoxide Hydrolases and Related Enzymes
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چکیده
منابع مشابه
Expanding the Catalytic Triad in Epoxide Hydrolases and Related Enzymes
Potato epoxide hydrolase 1 exhibits rich enantio- and regioselectivity in the hydrolysis of a broad range of substrates. The enzyme can be engineered to increase the yield of optically pure products as a result of changes in both enantio- and regioselectivity. It is thus highly attractive in biocatalysis, particularly for the generation of enantiopure fine chemicals and pharmaceuticals. The pre...
متن کاملCress and potato soluble epoxide hydrolases: purification, biochemical characterization, and comparison to mammalian enzymes.
Affinity chromatographic methods were developed for the one-step purification to homogeneity of recombinant soluble epoxide hydrolases (sEHs) from cress and potato. The enzymes are monomeric, with masses of 36 and 39 kDa and pI values of 4.5 and 5.0, respectively. In spite of a large difference in sequence, the two plant enzymes have properties of inhibition and substrate selectivity which diff...
متن کاملEpoxide hydrolases: biochemistry and molecular biology.
Epoxides are organic three-membered oxygen compounds that arise from oxidative metabolism of endogenous, as well as xenobiotic compounds via chemical and enzymatic oxidation processes, including the cytochrome P450 monooxygenase system. The resultant epoxides are typically unstable in aqueous environments and chemically reactive. In the case of xenobiotics and certain endogenous substances, epo...
متن کاملRole of epoxide hydrolases in lipid metabolism.
Epoxide hydrolases (EH), enzymes present in all living organisms, transform epoxide-containing lipids to 1,2-diols by the addition of a molecule of water. Many of these oxygenated lipid substrates have potent biological activities: host defense, control of development, regulation of blood pressure, inflammation, and pain. In general, the bioactivity of these natural epoxides is significantly re...
متن کاملStructure-Function Studies of Epoxide Hydrolases
Epoxides are three-membered cyclic ethers formed in cells via several metabolic pathways. Epoxide hydrolases (EHs) are enzymes that hydrolyse epoxides to the corresponding diols. The main goal of this thesis was to investigate the structures of EHs from the / -hydrolase family. The first part concerns the structural and functional analysis of a protein-water channel found in EHs in many plants....
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ژورنال
عنوان ژورنال: ACS Catalysis
سال: 2015
ISSN: 2155-5435,2155-5435
DOI: 10.1021/acscatal.5b01639