3m2c | pdb_00003m2c

Crystallographic and Single Crystal Spectral Analysis of the Peroxidase Ferryl Intermediate

spinqualitylabelsall models 3m2c, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3m2c is a 1 chain structure with sequence from Atcc 18824. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: HEM, PO4 Related: 1dso, 2v23, 1dsg, 1zby, 5ccp, 3e2n, 3e2o, 3m23, 3m25, 3m26, 3m27, 3m28, 3m29, 3m2a, 3m2b, 3m2d, 3m2e, 3m2f, 3m2g, 3m2h, 3m2i Gene: CCP, CCP1, CPO, YKR066C (ATCC 18824) Activity: Cytochrome-c peroxidase, with EC number 1.11.1.5 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [CCPR_YEAST] Destroys radicals which are normally produced within the cells and which are toxic to biological systems. 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 ferryl [Fe(IV)O] intermediate is important in many heme enzymes, and thus, the precise nature of the Fe(IV)-O bond is critical in understanding enzymatic mechanisms. The 1.40 A crystal structure of cytochrome c peroxidase Compound I has been determined as a function of X-ray dose while the visible spectrum was being monitored. The Fe-O bond increases in length from 1.73 A in the low-X-ray dose structure to 1.90 A in the high-dose structure. The low-dose structure correlates well with an Fe(IV) horizontal lineO bond, while we postulate that the high-dose structure is the cryo-trapped Fe(III)-OH species previously thought to be an Fe(IV)-OH species. Crystallographic and single-crystal spectral analysis of the peroxidase ferryl intermediate.,Meharenna YT, Doukov T, Li H, Soltis SM, Poulos TL Biochemistry. 2010 Apr 13;49(14):2984-6. PMID:20230048 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Cytochrome c peroxidase

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