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


ABSTRACT: 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, ? = 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.

SUBMITTER: Vengadesan K 

PROVIDER: S-EPMC3539703 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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

Vengadesan Krishnan K   Macon Kevin K   Sugumoto Shinya S   Mizunoe Yoshimitsu Y   Iwase Tadayuki T   Narayana Sthanam V L SV  

Acta crystallographica. Section F, Structural biology and crystallization communications 20121220 Pt 1


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 bee  ...[more]

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