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Updated: Jun 20, 2026
Production, Crystallization and Structure Determination of C. difficile PPEP-1 via Microseeding and Zinc-SAD
Published on: December 30, 2016
Crystallization and preliminary crystallographic analysis of poly-gamma-glutamate hydrolase from bacteriophage
Zui Fujimoto1, Isao Shiga, Yoshifumi Itoh
1National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan.
Abstract:
Particular Bacillus subtilis strains produce a capsular polypeptide poly-gamma-glutamate (gamma-PGA) that functions as a physical barrier against bacteriophage infection. Bacteriophage PhiNIT1 can infect B. subtilis and produces a novel gamma-PGA hydrolase PghP. PghP was overexpressed, purified and crystallized by the sitting-drop vapour-diffusion method. The crystals diffracted to a resolution of 2.4 A using a synchrotron X-ray source and were found to belong to space group P3(1)21 or P3(2)21.
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