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Purification and Functional Characterization of C4b-Binding Protein (C4BP).

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Author

Summary, in English

C4b-binding protein (C4BP) is a soluble, 570 kDa large glycoprotein, present in plasma at a concentration of approximately 200 mg/L. C4BP is the main inhibitor of the classical and lectin pathways of complement, where it controls C4b-mediated reactions. Here, we describe a method for purification of C4BP from human plasma, which is based on barium chloride precipitation, anion exchange chromatography, and gel filtration. We also describe a functional assay, in which C4BP's cofactor activity to factor I, in the degradation of C4b, can be assessed.

Publishing year

2014

Language

English

Pages

169-176

Publication/Series

Methods in Molecular Biology

Volume

1100

Document type

Journal article

Publisher

Springer

Topic

  • Other Basic Medicine

Status

Published

Research group

  • Protein Chemistry, Malmö

ISBN/ISSN/Other

  • ISSN: 1940-6029