IL 1RA Horse
目录号 : GP20467Interleukin-1 Receptor Antagonist Horse Recombinant
Sample solution is provided at 25 µL, 10mM.
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| Purity | Greater than 95.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE. | Source | Escherichia Coli. |
| Phycical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. | Shipping Condition | Shipped at Room temp. |
| Synonyms | Interleukin-1 receptor antagonist protein; IL-1RN; IL-1ra; IRAP; IL1 inhibitor; IL1RN; IL1RA. | ||
| Amino Acid Sequence | HPLGKRPCKM QAFRIWDVNQ KTFYMRNNQL VAGYLQESNT KLQEKIDVVP IEPDALFLGL HGRKLCLACV KSGDEIRFQL EAVNITDLSK NKEENKRFTF IRSNSGPTTS FESAACPGWF LCTAQEADRP VSLTNKPKES FMVTKFYLQE DQ. | ||
| Solubility | It is recommended to reconstitute the lyophilized IL-1RA in sterile water not less than 100µg/ml, which can then be further diluted to other aqueous solutions. | ||
| Stability | Lyophilized IL-1RA although stable at room temperature for 3 weeks, should be stored desiccated below -18°C . Upon reconstitution IL-1RA should be stored at 4°C between 2-7 days and for future use below -18°C .For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles. | ||
| Biological Activity | The ED50 as determined by inhibiting IL-1ж┴-dependent proliferation of murine D10.G4.1 helper T cells is less than 3.0 ж╠g/ml, corresponding to a specific activity of > 333 IU/mg in the presence of 50 pg/ml rHuIL-1ж┴. | ||
| Formulation | The IL-1RA was lyophilized from a 0.2µm filtered concentrated solution in PBS, pH 7.4. | ||
Interleukin-1 ra is a member of the interleukin 1 cytokine family. This protein inhibits the activities of interleukin 1, alpha (IL1A) and interleukin 1, beta (IL1B), and modulates a variety of interleukin 1 related immune and inflammatory responses. This gene and five other closely related cytokine genes form a gene cluster spanning approximately 400 kb on chromosome 2. A polymorphism of this gene is reported to be associated with increased risk of osteoporotic fractures and gastric cancer. Four alternatively spliced transcript variants encoding distinct isoforms have been reported.
The ED50 as determined by inhibiting IL-1ж┴-dependent proliferation of murine D10.G4.1 helper T cells is less than 3.0 ж╠g/ml, corresponding to a specific activity of > 333 IU/mg in the presence of 50 pg/ml rHuIL-1ж┴.
Lyophilized IL-1RA although stable at room temperature for 3 weeks, should be stored desiccated below -18°C . Upon reconstitution IL-1RA should be stored at 4°C between 2-7 days and for future use below -18°C .For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.