Cystatin-B

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

**Definition:** Cystatin-B (98 aa, ~11 kDa) is encoded by the human CSTB gene. This protein is involved in the regulation of cathepsins.

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