Inhibits papain and cathepsin L but with affinities lower than other cystatins. May play a role in immune regulation through inhibition of a unique target in the hematopoietic system.

Belongs to the cystatin family.

144 amino acids

MWLAILLALCCLTSDTHGARPPDFCSKDLISSVKPGFPKTIETNNPGVLKAARHSVEKFNNCTNDIFLFKESHVSKALVQVVKGLKYMLEVKIGRTTCRKTMHHQLDNCDFQTNPALKRTLYCYSEVWVIPWLHSFEVPVLLCQ

16.4 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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