Bovine Trypsin TPCK Treated Purified Lyophilized 100mg - Bovine Trypsin TPCK Treated Purified Lyophilized from Innovative Research has been chromatographically purified, diafiltered, lyophilized and treated with L-(tosylamido-2-phenyl) ethyl chloromethyl ketone (TPCK) to inhibit contaminating chymotryptic activity Kostka and Carpenter, J. Biol. Chem. 239, 1799, (1964). This is a lyophilized powder. This product cleaves amide and ester bonds of Arg and Lys. Please note all lots of Trypsin products are subjected to a pH of less than 3.0 for greater than five (5) hours during processing. Protect from moisture. More Details Source Bovine pancreas Purification chromatographically purified Storage Conditions 2-8–‘C Please note ¢ this product replaces our old product number IRWBE230 (same product, new number).