Xianming Zhu

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Alanine dehydrogenase (L-AlaDH) from Bacillus megaterium WSH-002 catalyses the NAD⁺-dependent interconversion of L-alanine and pyruvate. The enzyme was expressed in Escherichia coli BL21 (DE3) cells and purified with a His6 tag by Ni²⁺-chelating affinity chromatography for X-ray crystallographic analysis. Crystals were grown in a solution consisting of 0.1(More)
(2R,3R)-2,3-Butanediol dehydrogenase (R,R-BDH) from Bacillus coagulans 2-6 is a zinc-dependent medium-chain alcohol dehydrogenase. Recombinant R,R-BDH with a His6 tag at the C-terminus was expressed in Escherichia coli BL21 (DE3) cells and purified by Ni2+-chelating affinity and size-exclusion chromatography. Crystals were grown by the hanging-drop(More)
Biosynthetic alanine racemase (AlrPA) from Pseudomonas aeruginosa PAO1 carrying a His6 tag was expressed in Escherichia coli BL21 (DE3) cells and purified by Ni(2+)-chelating affinity and anion-exchange chromatography for X-ray crystallographic analysis. Crystals were grown by the hanging-drop vapour-diffusion method at 289 K in a solution consisting of(More)
Alanine dehydrogenase (OF4Ald) from the alkaliphilic Bacillus pseudofirmus OF4 was expressed and purified with a His6 tag in a form suitable for X-ray crystallographic analysis. Crystals were grown by the hanging-drop vapour-diffusion method at 289 K using a solution consisting of 0.1 M Tris-HCl pH 8.0, 0.2 M LiSO4, 22%(w/v) PEG 3350. X-ray diffraction data(More)
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