2g4v | pdb_00002g4v

anomalous substructure of proteinase K

spinqualitylabelsall models 2g4v, resolution 2.14Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2g4v is a 1 chain structure with sequence from Engyodontium album. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CA, CL, K Related: 2g4h, 2g4i, 2g4j, 2g4k, 2g4l, 2g4m, 2g4n, 2g4o, 2g4p, 2g4q, 2g4r, 2g4s, 2g4t, 2g4u, 2g4w, 2g4x, 2g4y, 2g4z, 2g51, 2g52, 2g55 Activity: Peptidase K, with EC number 3.4.21.64 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [PRTK_TRIAL] Hydrolyzes keratin at aromatic and hydrophobic residues. 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 23 different crystal forms of 19 different biological macromolecules were examined with respect to their anomalously scattering substructures using diffraction data collected at a wavelength of 2.0 A (6.2 keV). In more than 90% of the cases the substructure was found to contain more than just the protein S atoms. The data presented suggest that chloride, sulfate, phosphate or metal ions from the buffer or even from the purification protocol are frequently bound to the protein molecule and that these ions are often overlooked, especially if they are not bound at full occupancy. Thus, in order to fully describe the macromolecule under study, it seems desirable that any structure determination be complemented with a long-wavelength data set. On the routine use of soft X-rays in macromolecular crystallography. Part IV. Efficient determination of anomalous substructures in biomacromolecules using longer X-ray wavelengths.,Mueller-Dieckmann C, Panjikar S, Schmidt A, Mueller S, Kuper J, Geerlof A, Wilmanns M, Singh RK, Tucker PA, Weiss MS Acta Crystallogr D Biol Crystallogr. 2007 Mar;63(Pt 3):366-80. Epub 2007, Feb 21. PMID:17327674 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Proteinase Proteinase 3D structures

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