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Phosphoglycerate kinase (PGK) from methicillin-resistant Staphylococcus aureus MRSA252 has been cloned in pQE30 expression vector, overexpressed in Escherichia coli SG13009 (pREP4) cells and purified to homogeneity. The protein was crystallized from 0.15 M CaCl(2), 0.1 M HEPES-NaOH pH 6.8, 20%(w/v) polyethylene glycol 2000 at 298 K by the hanging-drop vapour-diffusion method. The crystals belonged to space group P2(1), with unit-cell parameters a = 45.14, b = 74.75, c = 58.67 Å, β = 95.72°. X-ray diffraction data have been collected and processed to a maximum resolution of 2.3 Å. The presence of one molecule in the asymmetric unit gives a Matthews coefficient (V(M)) of 2.26 Å(3) Da(-1) with a solvent content of 46%. The structure has been solved by molecular replacement and structure refinement is now in progress.

Original publication

DOI

10.1107/S1744309111007391

Type

Journal article

Journal

Acta Crystallogr Sect F Struct Biol Cryst Commun

Publication Date

01/06/2011

Volume

67

Pages

668 - 671

Keywords

Crystallization, Crystallography, X-Ray, Gene Expression, Methicillin-Resistant Staphylococcus aureus, Phosphoglycerate Kinase