1xia

COMPARISON OF BACKBONE STRUCTURES OF GLUCOSE ISOMERASE FROM STREPTOMYCES AND ARTHROBACTER

spinqualitylabelsall models 1xia, resolution 2.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1xia is a 2 chain structure with sequence from Arthrobacter sp. nrrl b3728. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. NonStd Res: UNK Activity: Xylose isomerase, with EC number 5.3.1.5 Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed The C alpha backbones of the glucose isomerase molecules of Streptomyces rubiginosus and Arthrobacter have been determined by X-ray crystallography and compared. Each molecule is a tetramer of eight-stranded alpha/beta barrels, and the mode of association of the tetramers is identical in each case. The Arthrobacter electron density shows four additional amino acids at the carboxyl terminus. There is also an insertion of six amino acids at position 277, and two individual insertions at about positions 348 and 357 (numbering according to the Streptomyces structure). There is a close structural homology throughout the whole molecule, which is most accurate up to position 325. The r.m.s. displacement for 315 homologous C alpha positions up to this position is 0.92 A. Comparison of backbone structures of glucose isomerase from Streptomyces and Arthrobacter.,Henrick K, Blow DM, Carrell HL, Glusker JP Protein Eng. 1987 Dec;1(6):467-9. PMID:3508294 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also D-xylose isomerase

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