Human Cystatin B / CSTB Protein (His Tag)

Species : Human

Synonyms : CST6,EPM1,EPM1A,PME,STFB,ULD

Host : E. coli

Purity :> 95 % as determined by SDS-PAGE

Activity : Measured by its ability to inhibit papain cleavage of a fluorogenic peptide substrate Z-FR-AMC (R&D Systems, Catalog # ES009). The IC50 value is < 15 nM.