2JHK:
reference: Structural basis for innate immune sensing by M-ficolin and its control by a pH-dependent conformational switch., Garlatti V, Martin L, Gout E, Reiser JB, Fujita T, Arlaud GJ, Thielens NM, Gaboriaud C, J Biol Chem. 2007 Sep 26;. PMID: 17897951

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