2NQI:
reference: Development of calpain-specific inactivators by screening of positional scanning epoxide libraries., Cuerrier D, Moldoveanu T, Campbell RL, Kelly J, Yoruk B, Verhelst SH, Greenbaum D, Bogyo M, Davies PL, J Biol Chem. 2007 Mar 30;282(13):9600-11. Epub 2007 Jan 11. PMID: 17218315

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