function:Shows moderate inhibition of cathepsin B but is not active against cathepsin C.,PTM:Substrate for transglutaminases. Acts as an acyl acceptor but not as an acyl donor.,similarity:Belongs to the cystatin family.,tissue specificity:Restricted to the stratum granulosum of normal skin, the stratum granulosum/spinosum of psoriatic skin, and the secretory coils of eccrine sweat glands. Low expression levels are found in the nasal cavity.,
Secreted.
Restricted to the stratum granulosum of normal skin, the stratum granulosum/spinosum of psoriatic skin, and the secretory coils of eccrine sweat glands. Low expression levels are found in the nasal cavity.
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