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Pack Size | Price | Availability | Quantity |
---|---|---|---|
10 μg | $184 | 7-10 days | |
50 μg | $545 | 7-10 days | |
500 μg | $1,900 | 7-10 days | |
1 mg | $2,970 | 7-10 days |
Description | Serpin B3 Protein, Human, Recombinant (C-His) is expressed in HEK293 mammalian cells with C-6xHis tag. The predicted molecular weight is 41-50 KDa and the accession number is P29508. |
Species | Human |
Expression System | HEK293 Cells |
Tag | C-6xHis |
Accession Number | P29508 |
Synonyms | SCCA1,serpin peptidase inhibitor, clade B (ovalbumin), member 3,serine (or cysteine) proteinase inhibitor, clade B (ovalbumin), member 3,Serpin B3,Squamous cell carcinoma antigen 1,SCCA-1,T4-A,Protein T4-A |
Amino Acid | Met1-Pro390 |
Construction | Met1-Pro390 |
Protein Purity | Greater than 95% as determined by reducing SDS-PAGE. Greater than 95% as determined by SEC-HPLC. |
Molecular Weight | 41-50 KDa (reducing condition) |
Endotoxin | < 0.1 ng/µg (1 EU/µg) as determined by LAL test. |
Formulation | Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM PB, 0.02% Tween 80, 4% Mannitol, pH 7.4. |
Reconstitution | Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
Stability & Storage | 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. Solutions are shipping with dry ice. |
Research Background | Serpin B3, also known as squamous cell carcinoma antigen-1 (SCCA-1), is a member of the serpin superfamily of serine protease inhibitors. Serpin B3 belongs to the subgroup ovalbumin-related serpins which are involved in the regulation of apoptosis, inflammation, angiogenesis and embryogenesis. It may act as a papain-like cysteine protease inhibitor to modulate the host immune response against tumor cells. It also functions as an inhibitor of UV-induced apoptosis via suppression of the activity of c-Jun NH(2)-terminal kinase (JNK1). |
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