Species: Human
Expression system: E.coli
Purity: > 95% as determined by reduced SDS-PAGE
Endotoxin: less than 0.1 ng/ug (1 EU/ug) as tested by LAL
Storage and stability: Lyophilized proteins should be stored at < -20°C but can be stored at room temperature for up to 3 weeks. The recombinant protein solution can be stored at 4-7℃ for 2-7 days. The isometric solution of the recombinant sample was stable at < -20°C for 3 months.
Bioactivity: Tumor necrosis factor ligand superfamily member 9(4-1BBL) is a unipassable type II membrane protein, a member of the tumor necrosis factor family. 4-1BBL is a 254-amino acid cytokine expressed in the brain, placenta, lung, skeletal muscle and kidney. TNFSF9 has been shown to reactivate incompetent T lymphocytes in addition to promoting T cell proliferation. This cytokine may play a role in the activation of induced cell death (AICD) and homologous interactions between T cells and B cells/macrophages. It has also been shown to be essential for optimal CD8 responses in CD8 T cells and is thought to be involved in T-cell - tumor cell interactions.
Solubility (25°C) | It is not recommended to reconstitute to a concentration less than 100 μg/ml. |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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