Cystatin F/CST7 Protein, Human, Recombinant (hFc)

Cystatin F/CST7 Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 41.3 kDa and the accession number is O76096.

Cystatin F/CST7 Protein, Human, Recombinant (hFc)

パッケージサイズ	在庫状況	単価(税別)
20 μg	約5 days	￥ 82,000

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説明	Cystatin F/CST7 Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 41.3 kDa and the accession number is O76096.

Species	Human
Expression Host	HEK293 Cells
Tag	C-hFc
Accession Number	O76096
別名	cystatin F (leukocystatin), CMAP
Construction	Human Cystatin F precursor (NP_003641.3) (Met 1-His 145)
Protein Purity	> 97 % as determined by SDS-PAGE
分子量	41.3 kDa (predicted)

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 PBS, pH7.4. 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℃. For reconstituted proteinsolutions, 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.

参考文献

1. Halfon S., et al.,(1998), Leukocystatin, a new class II cystatin expressed selectively by hematopoietic cells. J. Biol. Chem. 273:16400-16408. 2. Ni J., et al., (1998), Cystatin F is a glycosylated human low molecular weight cysteine proteinase inhibitor.J. Biol. Chem. 273:24797-24804. 3. Morita M., et al.,(2000), Genomic construct and mapping of the gene for CMAP (leukocystatin/cystatin F, CST7) and identification of a proximal novel gene, BSCv (C20orf3).Genomics 67:87-91.

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Cystatin F/CST7 Protein, Human, Recombinant (hFc)

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