DEPC (Diethyl pyrocarbonate) is a potent and irreversible RNase inhibitor containing histidine residues.DEPC can be used to prevent RNA enzyme degradation by modifying histidine residues with carboxylation resulting in enzyme inactivation.

pp60 c-src (521-533)

L-Lysyl-L-lysine dihydrochloride (Lysyllysine dihydrochloride) is an enzyme cleavable linker. L-Lysyl-L-lysine dihydrochloride can be used as facile linker for delivering multiple biologically active peptides.