Cystatin-A

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

**Definition:** Cystatin-A (98 aa, ~11 kDa) is encoded by the human CSTA gene. This protein plays a role in both cell-cell adhesion in the epidermis and the regulation of thiol proteinase activity.

**Synonyms:** - Cystatin A - Cystatin AS - Cystatin-AS - Stefin A - Stefin-A