Publisher： John Wiley & Sons Inc
E-ISSN： 1744-3091|61|7|703-705
ISSN： 1744-3091
Source： Acta Crystallographica Section F, Vol.61, Iss.7, 2005-07, pp. : 703-705
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Abstract
Xanthomonas campestris pv. campestris is a Gram‐negative yellow‐pigmented pathogenic bacterium that causes black rot, one of the major worldwide diseases of cruciferous crops. Its genome contains approximately 4500 genes, roughly one third of which have no known structure and/or function. However, some genes of unknown function are highly conserved among several different bacterial genuses. XC6422 is one such conserved hypothetical protein and has been overexpressed in Escherichia coli, purified and crystallized in a variety of forms using the hanging‐drop vapour‐diffusion method. Crystals grew to approximately 2 × 1.5 × 0.4 mm in size after one week and diffracted to at least 1.6 Å resolution. They belong to the monoclinic space group C2, with one molecule per asymmetric unit and unit‐cell parameters a = 75.8, b = 79.3, c = 38.2 Å, β = 109.4°. Determination of this structure may provide insights into the protein's function.
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