2fss

Candida boidinii formate dehydrogenase (FDH) K47E mutant

spinqualitylabelsall models 2fss, resolution 1.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2fss is a 4 chain structure with sequence from Candida boidinii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: SO4 Related: 2a1z Gene: Cbfdh (Candida boidinii) Activity: Formate dehydrogenase, with EC number 1.2.1.2 Resources: FirstGlance, OCA, RCSB, PDBsum 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 The understanding of the mechanism of enzymatic recovery of NADH is of biological and of considerable biotechnological interest, since the essential, but expensive, cofactor NADH is exhausted in asymmetric hydrogenation processes, but can be recovered by NAD(+)-dependent formate dehydrogenase (FDH). Most accepted for this purpose is the FDH from the yeast Candida boidinii (CbFDH), which, having relatively low thermostability and specific activity, has been targeted by enzyme engineering for several years. Optimization by mutagenesis studies was performed based on physiological studies and structure modeling. However, X-ray structural information has been required in order to clarify the enzymatic mechanism and to enhance the effectiveness and operational stability of enzymatic cofactor regenerators in biocatalytic enantiomer synthesis as well as to explain the observed biochemical differences between yeast and bacterial FDH. We designed two single-point mutants in CbFDH using an adapted surface engineering approach, and this allowed crystals suitable for high-resolution X-ray structural studies to be obtained. The mutations improved the crystallizability of the protein and also the catalytic properties and the stability of the enzyme. With these crystal structures, we explain the observed differences from both sources, and form the basis for further rational mutagenesis studies. High-resolution structures of formate dehydrogenase from Candida boidinii.,Schirwitz K, Schmidt A, Lamzin VS Protein Sci. 2007 Jun;16(6):1146-56. PMID:17525463 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Formate dehydrogenase

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