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crystallization communications
Crystallization and preliminary X-ray crystallographic analysis of PBPD2 from Listeria monocytogenes
Penicillin-binding proteins (PBPs), which mediate the peptidoglycan biosynthetic pathway in the bacterial cell wall, have been intensively investigated as a target for the design of antibiotics. In this study, PBPD2, a low-molecular-weight PBP encoded by lmo2812 from Listeria monocytogenes, was overexpressed in Escherichia coli, purified and crystallized at 295 K using the sitting-drop vapour-diffusion method. The crystal belonged to the primitive orthorhombic space group P212121, with unit-cell parameters a = 37.7, b = 74.7, c = 75.1 Å, and diffracted to 1.55 Å resolution. There was one molecule in the asymmetric unit. The preliminary structure was determined by the molecular-replacement method.