- 1. CPI-B
- [Encoded by human CST6 Gene, 149-amino acid 16.5 kD (precursor) Cystatin 6 is a type 2 cystatin. Cystatin superfamily proteins contain multiple cystatin-like sequences. Three inhibitory subfamilies display structural and functional similarities: type 1 stefins, type 2 cystatins, and kininogens. Some members are cysteine protease inhibitors, while others have lost or never acquired inhibitory activity. Type 2 cystatins are endogenous intracellular or extracellular cysteine proteinase inhibitors that appear to provide protective functions. (from Swiss-Prot, OMIM, and NCI) ( NCI )] (UMLS (NCI) C0534343) =Amino Acid, Peptide, or Protein; Pharmacologic Substance
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