Active Recombinant Human IL12B&IL23A protein, His-tagged

• Cat.No.: IL12A & IL12B-1242H
• Product Overview: Recombinant Human IL12B and IL23A protein(Ile23-Ser328 and Arg20-Pro189), fused with N-terminal His tag, was expressed in HEK293.

Specification

• Species: Human
• Source: HEK293
• Tag: His
• Protein Length: 23-328 aa&20-189 aa
• Form: Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.
• Bio-activity: 1. Measured by its binding ability in a functional ELISA.Immobilized Human IL-12B&IL-23A at 5μg/mL (100 μL/well) can bind Human IL23R with a linear range of 4-135 ng/ml. 2. Measured by its ability to induce IL-17 secretion by mouse splenocytes. The ED50 for this effect is 21.23-84.94 ng/mL, corresponding to a specific activity of 1.17×10^4~4.71×10^4 units/mg.
• Molecular Mass: 19.50 kDa(IL-12A), 34.71 kDa(IL-12B)
• Endotoxin: < 0.1 EU/μg of the protein by LAL method.
• Purity: ≥ 95 % as determined by SDS-PAGE.
• Storage: Store at -20°C.Store the lyophilized protein at -20°C to -80°C up to 1 year from the date of receipt.After reconstitution, the protein solution is stable at -20°C for 3 months, at 2-8°C for up to 1 week.
• Reconstitution: Centrifuge the vial before opening. Reconstitute to a concentration of 0.1-0.5 mg/mL in sterile distilled water. Avoid vortex or vigorously pipetting the protein. For long term storage, it is recommended to add a carrier protein or stablizer (e.g. 0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose), and aliquot the reconstituted protein solution to minimize free-thaw cycles.

Gene Information

• Gene Name: IL12B interleukin 12B (natural killer cell stimulatory factor 2, cytotoxic lymphocyte maturation factor 2, p40) [ Homo sapiens ]
• Official Symbol: IL12B
• Synonyms: IL12B; interleukin 12B (natural killer cell stimulatory factor 2, cytotoxic lymphocyte maturation factor 2, p40); NKSF2; interleukin-12 subunit beta; CLMF; CLMF2; cytotoxic lymphocyte maturation factor 2; p40; IL 12B; IL12; subunit p40; interleukin 12; interleukin 12 beta chain; natural killer cell stimulatory factor; 40 kD subunit; natural killer cell stimulatory factor 2; NKSF; CLMF p40; IL-12 subunit p40; IL12, subunit p40; interleukin 12, p40; interleukin-12 beta chain; NK cell stimulatory factor chain 2; cytotoxic lymphocyte maturation factor 40 kDa subunit; natural killer cell stimulatory factor, 40 kD subunit; IL-12B
• Gene ID: 3593
• mRNA Refseq: NM_002187
• Protein Refseq: NP_002178
• MIM: 161561
• UniProt ID: P29460