Bovine Chymotrypsin TLCK Treated SequenceThree time crystallized and treated with 1-chloro-3-tosylamido-7-amino-2-heptanone (TLCK) to inhibit trypsin activity Shaw, et al., Biochemistry, 4, 2219 (1965). Dialyzed to remove autolysis products and low molecular weight contaminants. Supplied as lyophilized powder. Store at 2-8C.This material is sold for in-vitro use only in manufacturing and research and is not suitable for use in humans or animals. This material should be handled with general laboratory precaution.