Cathepsin L1

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Cathepsin L1 (333 aa, ~38 kDa) is encoded by the human CTSL gene. This protein is involved in both proteolysis and immunity.

**Synonyms:** - CATL - CTSL - CTSL Protein - Cathepsin L - EC 3.4.22.15 - MEP - Major Excreted Protein