3ls2

Crystal structure of an S-formylglutathione hydrolase from Pseudoalteromonas haloplanktis TAC125

spinqualitylabelsall models 3ls2, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3ls2 is a 4 chain structure with sequence from Pseht. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CL Gene: PSHAa1385 (PSEHT) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed S-formylglutathione hydrolases (FGHs) constitute a family of ubiquitous enzymes which play a key role in formaldehyde detoxification both in prokaryotes and eukaryotes, catalyzing the hydrolysis of S-formylglutathione to formic acid and glutathione. While a large number of functional studies have been reported on these enzymes, few structural studies have so far been carried out. In this paper we report on the functional and structural characterization of PhEst, a FGH isolated from the psychrophilic bacterium Pseudoalteromonas haloplanktis. According to our functional studies, this enzyme is able to efficiently hydrolyze several thioester substrates with very small acyl moieties. By contrast, the enzyme shows no activity toward substrates with bulky acyl groups. These data are in line with structural studies which highlight for this enzyme a very narrow acyl-binding pocket in a typical alpha/beta-hydrolase fold. PhEst represents the first cold-adapted FGH structurally characterized to date; comparison with its mesophilic counterparts of known three-dimensional structure allowed to obtain useful insights into molecular determinants responsible for the ability of this psychrophilic enzyme to work at low temperature. (c) 2010 Wiley Periodicals, Inc. Biopolymers, 2010. Crystal structure of an S-formylglutathione hydrolase from Pseudoalteromonas haloplanktis TAC125.,Alterio V, Aurilia V, Romanelli A, Parracino A, Saviano M, D'Auria S, De Simone G Biopolymers. 2010 Mar 5. PMID:20209484 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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