SYNONYMS
Cathepsin L, CTSL1, Cathepsin L1, Major Excreted Protein, MEP, EC 3.4.22.15, CATL, EC 3.4.22.
INTRODUCTION
Cathepsin-L also known as CTSL is a member of the peptidase C1 family. CTSL, is a dimer composed of disulfide-linked heavy and light chains, both formed from a single protein precursor. Furthermore, CTSL is a lysosomal cysteine proteinase which takes a main part in intracellular protein catabolism. CTSL substrates include collagen and elastin, as well as alpha-1 protease inhibitor, which is the most important controlling element of neutrophil elastase activity. CTSL has been implicated in a number of pathologic processes, including myofibril necrosis in myopathies and in myocardial ischemia, and in the renal tubular response to proteinuria. Multiple alternatively spliced transcript variants have been found for CTSL.
DESCRIPTION
CTSL Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 339 amino acids (18-333 a.a) and having a molecular mass of 38.3kDa.CTSL is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
