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  • Title: Crystallization and preliminary X-ray analysis of Streptococcus mutans dextran glucosidase.
    Author: Saburi W, Hondoh H, Unno H, Okuyama M, Mori H, Nakada T, Matsuura Y, Kimura A.
    Journal: Acta Crystallogr Sect F Struct Biol Cryst Commun; 2007 Sep 01; 63(Pt 9):774-6. PubMed ID: 17768352.
    Abstract:
    Dextran glucosidase from Streptococcus mutans is an exo-hydrolase that acts on the nonreducing terminal alpha-1,6-glucosidic linkage of oligosaccharides and dextran with a high degree of transglucosylation. Based on amino-acid sequence similarity, this enzyme is classified into glycoside hydrolase family 13. Recombinant dextran glucosidase was purified and crystallized by the hanging-drop vapour-diffusion technique using polyethylene glycol 6000 as a precipitant. The crystals belong to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 72.72, b = 86.47, c = 104.30 A. A native data set was collected to 2.2 A resolution from a single crystal.
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