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  • Title: Purification, crystallization and preliminary X-ray diffraction studies of D-tagatose 3-epimerase from Pseudomonas cichorii.
    Author: Yoshida H, Yamada M, Nishitani T, Takada G, Izumori K, Kamitori S.
    Journal: Acta Crystallogr Sect F Struct Biol Cryst Commun; 2007 Feb 01; 63(Pt 2):123-5. PubMed ID: 17277456.
    Abstract:
    D-Tagatose 3-epimerase (D-TE) from Pseudomonas cichorii catalyzes the epimerization of various ketohexoses at the C3 position. The epimerization of D-psicose has not been reported with epimerases other than P. cichorii D-TE and D-psicose 3-epimerase from Agrobacterium tumefaciens. Recombinant P. cichorii D-TE has been purified and crystallized. Crystals of P. cichorii D-TE were obtained by the sitting-drop method at room temperature. The crystal belongs to the monoclinic space group P2(1), with unit-cell parameters a = 76.80, b = 94.92, c = 91.73 A, beta = 102.82 degrees . Diffraction data were collected to 2.5 A resolution. The asymmetric unit is expected to contain four molecules.
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