ArticleActa crystallographica. Section F, Structural biology and crystallization communications2013
Expression, purification and crystallization of the C-terminal LRR domain of Streptococcus pyogenes protein 0843.
Article in Acta crystallographica. Section F, Structural biology and crystallization communications, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 4 institutions in 1 country.
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Abstract
Streptococcus pyogenes protein 0843 (Spy0843) is a recently identified protein with a potential adhesin function. Sequence analysis has shown that Spy0843 contains two leucine-rich repeat (LRR) domains that mediate interactions with the gp340 receptor. Here, the C-terminal LRR domain was overexpressed in Escherichia coli, purified and crystallized in the presence of 1.7-1.8 M ammonium sulfate pH 7.4 as precipitant. Data were collected from a single crystal to 1.59 Å resolution at 100 K at a synchrotron-radiation source. The crystal was found to belong to space group I41, with unit-cell parameters a = b = 121.4, c = 51.5 Å and one molecule in the asymmetric unit. Elucidation of the crystal structure will provide insights into the interactions of Spy0843 with the gp340 receptor and a better understanding of the role of Spy0843 in streptococcal infections.
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