1cyo

BOVINE CYTOCHROME B(5)

spinqualitylabelsall models 1cyo, resolution 1.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1cyo is a 1 chain structure with sequence from Bos taurus. The October 2011 RCSB PDB Molecule of the Month feature on PDB Pioneers by David Goodsell is 10.2210/rcsb_pdb/mom_2011_10. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.5Å Ligands: HEM Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function CYB5_BOVIN Cytochrome b5 is a membrane bound hemoprotein which function as an electron carrier for several membrane bound oxygenases. 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 structure of bovine liver cytochrome b(5), a soluble 93-residue proteolytic fragment of a 16 kDa membrane-bound hemoprotein, initially solved at 2.0 A resolution, has been refined at 1.5 A using data collected on a diffractometer. Refinement to 2.0 A resolution used the Hendrickson-Konnert procedure PROLSQ and was then extended to 1.5 A resolution using the program PROFFT. Only residues 3-87 could be identified in the model and these residues together with 93 water molecules gave an agreement factor of R = 0.161 for data in the resolution range 1.5-5 A. The structure was finally refined using the program X-PLOR, which enabled alternate conformers to be modelled for several surface side chains. Residues 1 and 2 at the amino terminus of the protein and residue 88 near the carboxyl terminus could be identified from these electron-density maps. However the remaining disordered carboxy-terminal residues could not successfully be included in the model. A total of 117 solvent molecules were included in the final refinement to give R = 0.164 for the data between 1.5 and 10 A. Refinement and structural analysis of bovine cytochrome b5 at 1.5 A resolution.,Durley RC, Mathews FS Acta Crystallogr D Biol Crystallogr. 1996 Jan 1;52(Pt 1):65-76. PMID:15299727 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Cytochrome b5 3D structures

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