Cystatin-SA

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

**Definition:** Cystatin-SA (141 aa, ~16 kDa) is encoded by the human CST2 gene. This protein is involved in salivary cysteine proteinase inhibition.

**Synonyms:** - CST2 - Cystatin 2 - Cystatin S5 - Cystatin SA - Cystatin-2 - Cystatin-S5