Cystatin M

**Definition:** A cystatin subtype that has a diverse tissue distribution, target specificity, and functions as an endogenous inhibitor of lysosomal cysteine proteases.

**Tree numbers:** - D12.776.215.500 - D12.776.624.776.418

**Synonyms:** - CST6 Cystatin - Cystatin E - Cystatin-6