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Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 Jan 1;69(Pt 1):49-52. doi: 10.1107/S1744309112047124. Epub 2012 Dec 20.

Purification, crystallization and preliminary X-ray diffraction analysis of the Staphylococcus epidermidis extracellular serine protease Esp.

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  • 1UNESCO Regional Centre for Biotechnology RCB, Gurgaon, Haryana 122 016, India.


Esp, an extracellular serine protease from Staphylococcus epidermidis, has been shown to inhibit S. aureus biofilm formation and nasal colonization. The full-length 27 kDa pro-Esp was purified and digested with thermolysin to obtain mature Esp. The mature Esp containing 216 residues crystallized in space group P2(1), with unit-cell parameters a = 39.5, b = 61.2, c = 42.5 Å, β = 98.2° and one molecule in the asymmetric unit, with an estimated solvent content of 42%. A diffraction data set has been collected to 1.8 Å resolution on a rotating-anode home-source facility.

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