Human Caspase 6 (CASP6), GenBank Accession No. NM_001226, full length, a.a. 1-293 (end), with C-terminal His-tag, expressed in an E. coli cell expression system. Pro-caspase-6 is activated by autocleavage to yield 20 kDa and 18 kDa proteins (large subunit) and an 11 kDa small subunit (His-tag) that dimerize to form the active enzyme.