Cystatin-A Human Recombinant, Active

Product Name: Cystatin-A Human Recombinant, Active
Synonyms: Cystatin-A, Cystatin-AS, Stefin-A, CSTA, STF1, STFA.
Description: Cystatin A Human Recombinant produced in E.Coli is a single, non-glycosylated, Polypeptide chain containing 118 amino acids (1-98a.a.) and having a molecular mass of 13.1 kDa.The Cystatin A is fused to a 20 amino acid His tag at N-terminus and purified by proprietary chromatographic techniques.
Uniprot Accesion Number: P01040
Amino Acid Sequence:MGSSHHHHHH SSGLVPRGSH MIPGGLSEAK PATPEIQEIV DKVKPQLEEK TNETYGKLEA VQYKTQVVAG TNYYIKVRAG DNKYMHLKVF KSLPGQNEDL VLTGYQVDKN KDDELTGF.
Source: Escherichia Coli.
Physical Appearance and Stability: Store at 4C if entire vial will be used within 2-4 weeks. Store, frozen at -20C for longer periods of time.  For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Formulation and Purity: Cystatin-A (1mg/ml) in 20mM Tris-HCl buffer (pH8.0), 1mM DTT and 10% glycerol. Greater than 95% as determined by reducing SDS-PAGE.
Application:
Solubility:
Biological Activity: The IC50 value is < 1.0nM. The inhibitory function of CSTA on protease activity of papain was measured by a fluorometric assay using Z-FR-AMC at pH 7.5 at 25C.
Shipping Format and Condition: Lyophilized powder at room temperature.
Usage Statement: Our products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.