2a5w | pdb_00002a5w

Crystal structure of the oxidized gamma-subunit of the dissimilatory sulfite reductase (DsrC) from Archaeoglobus fulgidus

spinqualitylabelsall models 2a5w, resolution 2.10Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2a5w is a 3 chain structure with sequence from Archaeoglobus fulgidus DSM 4304. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.1Å Ligands: SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function O28055_ARCFU 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 X-ray structure of the gamma-subunit of the dissimilatory sulfite reductase (DsrC) from Archaeoglobus fulgidus was determined at 1.12 and 2.1A resolution, in the two crystal forms named DsrC(nat) and DsrC(ox) the latter being cocrystallized with the oxidizing agent tert-butyl hydroperoxide. The fold corresponds to that of the homologous protein from Pyrobaculum aerophilum but is significantly more compact. The most interesting, highly conserved C-terminal arm adopts a well-defined conformation in A. fulgidus DsrC in contrast to the completely disordered conformation in P. aerophilum DsrC. The functional relevance of both conformations and of a potentially redox-active disulfide bond between the strictly invariant Cys103 and Cys114 are discussed. X-ray structure of the gamma-subunit of a dissimilatory sulfite reductase: fixed and flexible C-terminal arms.,Mander GJ, Weiss MS, Hedderich R, Kahnt J, Ermler U, Warkentin E FEBS Lett. 2005 Aug 29;579(21):4600-4. PMID:16098517 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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