Cystatin B

**Definition:** An intracellular cystatin subtype that is found in a broad variety of cell types. It is a cytosolic enzyme inhibitor that protects the cell against the proteolytic action of lysosomal enzymes such as CATHEPSINS.

**Tree numbers:** - D12.776.215.200

**Synonyms:** - Liver Thiol Proteinase Inhibitor - Stefin B