3OXU:
reference: Structural basis for engagement by complement factor H of C3b on a self surface., Morgan HP, Schmidt CQ, Guariento M, Blaum BS, Gillespie D, Herbert AP, Kavanagh D, Mertens HD, Svergun DI, Johansson CM, Uhrin D, Barlow PN, Hannan JP, Nat Struct Mol Biol. 2011 Apr;18(4):463-70. Epub 2011 Feb 13. PMID: 21317894

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