CTSB Protein (C-His, Human)
Product Specifications
Abbreviation
CTSB
Synonyms
APPS, CPSB, KWE, RECEUP
Host
HEK 293
Tag
C-His
Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method
Purity
≥ 97 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.
Bioactivity
Measured by its ability to cleave the fluorogenic peptide substrate Z-LR-AMC (R&D Systems, Catalog # ES008) The specific activity is >2,500 pmoles/min/μg. (Activation description: The enzyme achieves its activity under buffer with DTT)
Function
Arg18-Ile339
Molecular Weight
The recombinant human CTSB existing as the proform consists of 332 amino acids and has a predicted molecular mass of 37.2 kDa. rhCTSB migrates with the molecular weight of 43 and 36 kDa as the proform and mature form rspectively in SDS-PAGE under reducing conditions.
Species
Human
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