Tosyl phenylalanyl chloromethyl ketone
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Tosyl phenylalanyl chloromethyl ketone (TPCK) is a protease inhibitor. Its structural formula is 1-chloro-3-tosylamido-4-phenyl-2-butanone, and its molecular weight is 351.9g/mol.
TPCK is the irreversible inhibitor of chymotrypsin. Also inhibits some cysteine proteases such as papain, bromelain or ficin. It does not inhibit trypsin nor zymogens.
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