Article
Structural basis for inhibition of complement C5 by the SSL7 protein from Staphylococcus aureus.
Proceedings of the National Academy of Sciences of the United States of America - 23 Feb 2010
Laursen Nick S, Gordon Natasha, Hermans Stefan, Lorenz Natalie, Jackson Nicola, Wines Bruce, Spillner Edzard, Christensen Jesper B, Jensen Morten, Fredslund Folmer, Bjerre Mette, Sottrup-Jensen Lars, Fraser John D, Andersen Gregers R
Abstract excerpt
Staphylococcus aureus secretes the SSL7 protein as part of its immune evasion strategy. The protein binds both complement C5 and IgA, yet it is unclear whether SSL7 cross-links these two proteins and, if so, what purpose this serves the pathogen. We have isolated a stable IgA-SSL7-C5 complex, and our crystal structure of the C5-SSL7 complex confirms that binding to C5 occurs exclusively through the C-terminal...
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