IL-18 Protein (Primary Amine Labeling), Human, Recombinant, Biotinylated

Catalog No. TMPK-00076

Interleukin (IL)-18 was originally discovered as a factor that enhanced IFN-γ production from anti-CD3-stimulated Th1 cells, especially in the presence of IL-12. Upon stimulation with Ag plus IL-12, naïve T cells develop into IL-18 receptor (IL-18R) expressing Th1 cells, which increase IFN-γ production in response to IL-18 stimulation.

IL-18 Protein (Primary Amine Labeling), Human, Recombinant, Biotinylated

Catalog No. TMPK-00076

Pack Size	Price	Availability
100 μg	$814	7-10 days
500 μg	$3,250	7-10 days
1 mg	$5,440	7-10 days

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User Guide of Recombinant Proteins

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Product Information

Biological Activity	Immobilized Human IL-18BP, hFc Tag at 5μg/ml (100μl/well) on the plate. Dose response curve for Biotinylated Human IL-18, No Tag with the EC50 of 26.0ng/ml determined by ELISA.
Description	Interleukin (IL)-18 was originally discovered as a factor that enhanced IFN-γ production from anti-CD3-stimulated Th1 cells, especially in the presence of IL-12. Upon stimulation with Ag plus IL-12, naïve T cells develop into IL-18 receptor (IL-18R) expressing Th1 cells, which increase IFN-γ production in response to IL-18 stimulation.
Species	Human
Expression System	E. coli
Tag	Tag Free
Accession Number	Q14116
Synonyms	Interleukin 1,IL-1g,IL-1F4,IL1F4,IL-18,IL18,IL-1 γ,IL-1 gamma,IGIF
Construction	Tyr37-Asp193
Protein Purity	> 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC
Molecular Weight	18.2 kDa (predicted) same as Tris-Bis PAGE result.
Endotoxin	< 1 EU/μg by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS (pH 7.4). Typically, 8% trehalose is incorporated as a protective agent before lyophilization.
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	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°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.
Research Background	Interleukin (IL)-18 was originally discovered as a factor that enhanced IFN-γ production from anti-CD3-stimulated Th1 cells, especially in the presence of IL-12. Upon stimulation with Ag plus IL-12, naïve T cells develop into IL-18 receptor (IL-18R) expressing Th1 cells, which increase IFN-γ production in response to IL-18 stimulation.