2k3v | pdb_00002k3v

Solution Structure of a Tetrahaem Cytochrome from Shewanella Frigidimarina

spinqualitylabelsall models 2k3v, 20 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2k3v is a 1 chain structure with sequence from Shewanella frigidimarina. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: HEM Gene: cctA, Sfri_1504 (Shewanella frigidimarina) Resources: FirstGlance, OCA, RCSB, PDBsum Function [CYC3_SHEFN] Transfers electrons to ferredoxin III. 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 bacteria belonging to the genus Shewanella are facultative anaerobes that utilize a variety of terminal electron acceptors which includes soluble and insoluble metal oxides. The tetraheme c-type cytochrome isolated during anaerobic growth of Shewanella frigidimarina NCIMB400 ( Sfc) contains 86 residues and is involved in the Fe(III) reduction pathways. Although the functional properties of Sfc redox centers are quite well described, no structures are available for this protein. In this work, we report the solution structure of the reduced form of Sfc. The overall fold is completely different from those of the tetraheme cytochromes c 3 and instead has similarities with the tetraheme cytochrome recently isolated from Shewanella oneidensis ( Soc). Comparison of the tetraheme cytochromes from Shewanella shows a considerable diversity in their primary structure and heme reduction potentials, yet they have highly conserved heme geometry, as is the case for the family of tetraheme cytochromes isolated from Desulfovibrio spp. The solution structure of a tetraheme cytochrome from Shewanella frigidimarina reveals a novel family structural motif.,Paixao VB, Salgueiro CA, Brennan L, Reid GA, Chapman SK, Turner DL Biochemistry. 2008 Nov 18;47(46):11973-80. Epub 2008 Oct 25. PMID:18950243 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Cytochrome c

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