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Expression, Purification, Crystallization and Preliminary X-ray Characterization of Two Crystal Forms of Stationary-phase Survival E Protein from Campylobacter Jejuni

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Date 2008 Mar 8
PMID 18323612
Citations 1
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Abstract

Survival E (SurE) protein from Campylobacter jejuni, a Gram-negative mesophile, has been overexpressed in Escherichia coli as a soluble protein, successfully purified and crystallized in two distinct crystal forms. The first form belongs to space group P2(1)2(1)2(1), with a tetramer in the asymmetric unit and unit-cell parameters a = 80.5, b = 119.0, c = 135.3 A. The second form belongs to space group C2, with unit-cell parameters a = 121.4, b = 47.1, c = 97.8 A, and contains a dimer in the asymmetric unit. Diffraction data have been collected from these crystal forms to 2.5 and 2.95 A resolution, respectively.

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