Cystatin F/CST7 Protein, Human, Recombinant

Catalog No. TMPY-00770

Cystatin F/CST7 Protein, Human, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 15.2 kDa and the accession number is O76096.

Cystatin F/CST7 Protein, Human, Recombinant

Catalog No. TMPY-00770

Cystatin F/CST7 Protein, Human, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 15.2 kDa and the accession number is O76096.

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20 μg	$357	7-10 days

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Product Information

Biological Activity	Activity testing is in progress. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
Description	Cystatin F/CST7 Protein, Human, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 15.2 kDa and the accession number is O76096.
Species	Human
Expression System	HEK293 Cells
Tag	Tag Free
Accession Number	O76096
Synonyms	cystatin F (leukocystatin),CMAP
Construction	The mature form of the human Cystatin F (NP_003641.3) (Met 1-His 145) with five amino acids (DDDDK) at the C-terminus was expressed and purified. Predicted N terminal: Gly 20
Protein Purity	> 95 % as determined by SDS-PAGE
Molecular Weight	15.2 kDa (predicted); 25 kDa (reducing condition, due to glycosylation)
Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing 50 mM Tris, 100 mM NaCl, pH 8.0.Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	The cystatin superfamily members are important natural cysteine protease inhibitors present in a wide variety of organisms and are divided into three classes. Cystatin F, also known as leukocystatin and CMAP (Cystatin-like Metastasis-Associated Protein), is a type 2 cystatin and its expression is limited to hematopoietic cells, with the highest expression levels being observed in monocytes, dendritic cells, and certain types of T-cells. Furthermore, cystatin F mRNA becomes up-regulated during dendritic cell maturation, and thus suggests a specific role of cystatin F in immune regulation. Cystatin F is produced as a dimer, an inactive cathepsin inhibitor which is activated by chemical reduction. In addition, Cystatin F and its homologues have been observed expressing in various human cancer cell lines established from malignant tumors, and thus indicates a new diagnosis and prevention approach of certain human carcinomas metastasis.