Calpain inhibitor I; N-[N-(N-Acetyl-L-leucyl)-L-leucyl]-L-norleucine Specificity: Cell permeable peptide aldehyde inhibitor of calpain I and to a lesser extent calpain II. Also inhibits other neutral cysteine proteases, cathepsin B and L and the proteasome. Solubility: Soluble in DMSO or…

N-[(2S,3R)-3-Amino-2-hydroxy-4-phenylbutyryl]-L-leucine hydrochloride Specificity: Competitive inhibitor of surface aminopeptidases, including aminopeptidase B (K_i=2nM), leucine aminopeptidase (K_i=20nM). Also inhibits aminopeptidases N; does not inhibit endoproteases. …