1ckv | pdb_00001ckv

STRUCTURE OF THE SOLUBLE METHANE MONOOXYGENASE REGULATORY PROTEIN B

spinqualitylabelsall models 1ckv Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1ckv is a 1 chain structure with sequence from Escherichia coli. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function MMOB_METCA The B protein acts as a regulator of electron flow through the soluble mmo complex, switching the enzyme from an oxidase to a hydroxylase in the presence of the substrate. 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 soluble methane monooxygenase (sMMO; EC 1.14.13.25) from the pseudothermophile Methylococcus capsulatus (Bath) is a three-component enzyme system that catalyzes the selective oxidation of methane to methanol. We have used NMR spectroscopy to produce a highly refined structure of MMOB, the 16-kDa regulatory protein of this system. This structure has a unique and intricate fold containing seven beta-strands forming two beta-sheets oriented perpendicular to each other and bridged by three alpha-helices. The rate and efficiency of the methane hydroxylation by sMMO depend on dynamic binding interactions of the hydroxylase with the reductase and regulatory protein components during catalysis. We have monitored by NMR the binding of MMOB to the hydroxylase in the presence and absence of the reductase. The results of these studies provide structural insight into how the regulatory protein interacts with the hydroxylase. Structure of the soluble methane monooxygenase regulatory protein B.,Walters KJ, Gassner GT, Lippard SJ, Wagner G Proc Natl Acad Sci U S A. 1999 Jul 6;96(14):7877-82. PMID:10393915 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Methane monooxygenase 3D structures

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