2JSX:
reference: Structural diversity in twin-arginine signal peptide-binding proteins., Maillard J, Spronk CA, Buchanan G, Lyall V, Richardson DJ, Palmer T, Vuister GW, Sargent F, Proc Natl Acad Sci U S A. 2007 Oct 2;104(40):15641-6. Epub 2007 Sep 27. PMID: 17901208

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