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    Acta Crystallogr D Biol Crystallogr. 2004 May;60(Pt 5):929-32. Epub 2004 Apr 21.

    Crystallization and preliminary crystallographic analysis of BbCRASP-1, a complement regulator-acquiring surface protein of Borrelia burgdorferi.

    Source

    Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, England.

    Abstract

    Borrelia burgdorferi is the causative agent of Lyme disease. Serum-resistant strains of the pathogen are able to reduce the host's immune response to infection by recruiting fluid-phase complement regulators from the serum. B. burgdorferi complement regulator-acquiring surface protein-1 (BbCRASP-1) binds factor H and factor-H-like protein-1 to the bacterial surface, where they actively down-regulate complement response. Crystals of native and selenomethionine-substituted BbCRASP-1 have been obtained and a native data set to 2.7 A as well as selenomethionine MAD data to 3.2 A resolution have been collected. The selenium substructure has been solved and initial phases have been refined to 3.0 A by density-modification methods. Model building and refinement are under way.

    PMID:
    15103142
    [PubMed - indexed for MEDLINE]

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