2D39:
reference: Trivalent Recognition Unit of Innate Immunity System: CRYSTAL STRUCTURE OF TRIMERIC HUMAN M-FICOLIN FIBRINOGEN-LIKE DOMAIN., Tanio M, Kondo S, Sugio S, Kohno T, J Biol Chem. 2007 Feb 9;282(6):3889-95. Epub 2006 Dec 4. PMID: 17148457

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