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Crystallization and preliminary X-ray crystallographic analysis of UDP-glucuronic acid:flavonol-3-O-glucuronosyltransferase (VvGT5) from the grapevine Vitis vinifera.


ABSTRACT: Grapevine (Vitis vinifera) glycosyltransferase 5 (VvGT5) is a UDP-glucuronic acid:flavonol-3-O-glucuronosyltransferase that catalyses the 3-O-specific glucuronosylation of flavonols using UDP-glucuronic acid as a sugar donor to produce flavonol 3-O-glucosides, which are important bioactive phytochemicals. Recombinant VvGT5 expressed in Escherichia coli cells was purified and crystallized by the sitting-drop vapour-diffusion method. A full set of X-ray diffraction data was collected to 2.2?Å Bragg spacing from a single crystal using a synchrotron-radiation source. The crystal was hexagonal, belonging to space group P6(1)22, with unit-cell parameters a = b = 102.70, c = 535.92?Å. The initial phases were determined by the molecular-replacement method.

SUBMITTER: Mizohata E 

PROVIDER: S-EPMC3539707 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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Crystallization and preliminary X-ray crystallographic analysis of UDP-glucuronic acid:flavonol-3-O-glucuronosyltransferase (VvGT5) from the grapevine Vitis vinifera.

Mizohata Eiichi E   Okuda Takuma T   Hatanaka Seika S   Nakayama Taisuke T   Horikawa Manabu M   Nakayama Toru T   Ono Eiichiro E   Inoue Tsuyoshi T  

Acta crystallographica. Section F, Structural biology and crystallization communications 20121225 Pt 1


Grapevine (Vitis vinifera) glycosyltransferase 5 (VvGT5) is a UDP-glucuronic acid:flavonol-3-O-glucuronosyltransferase that catalyses the 3-O-specific glucuronosylation of flavonols using UDP-glucuronic acid as a sugar donor to produce flavonol 3-O-glucosides, which are important bioactive phytochemicals. Recombinant VvGT5 expressed in Escherichia coli cells was purified and crystallized by the sitting-drop vapour-diffusion method. A full set of X-ray diffraction data was collected to 2.2 Å Brag  ...[more]

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