IL-1 beta/IL-1F2 Protein, Human, Recombinant (His & Avi)

Catalog No. TMPK-00161

Interleukin-1 beta (IL-1β) is induced by inflammatory signals in a broad number of immune cell types. IL-1β (and IL-18) are the only cytokines which are processed by caspase-1 after inflammasome-mediated activation. IL-1 signaling activates innate immune cells including antigen presenting cells, and drives polarization of CD4 T cells towards T helper type (Th) 1 and Th17 cells. IL-1 beta/IL-1F2 Protein, Human, Recombinant (His & Avi) is expressed in E. coli expression system with C-His-Avi tag. The predicted molecular weight is 20.1 kDa and the accession number is P01584.

IL-1 beta/IL-1F2 Protein, Human, Recombinant (His & Avi)

Catalog No. TMPK-00161

Pack Size	Price	Availability
100 μg	$418	7-10 days
500 μg	$1,670	7-10 days
1 mg	$2,800	7-10 days

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COA User Guide of Recombinant Proteins

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Product Information

Biological Activity	1. Immobilized Human IL-1 Beta, His Tag at 5μg/ml (100μl/Well) on the plate. Dose response curve for Human IL-1R2, hFc Tag with the EC50 of 0.44μg/ml determined by ELISA (QC Test). 2. Human IL-1R2, hFc Tag captured on CM5 Chip via Protein A can bind Human IL-1 Beta, His Tag with an affinity constant of 0.88 nM as determined in SPR assay.
Description	Interleukin-1 beta (IL-1β) is induced by inflammatory signals in a broad number of immune cell types. IL-1β (and IL-18) are the only cytokines which are processed by caspase-1 after inflammasome-mediated activation. IL-1 signaling activates innate immune cells including antigen presenting cells, and drives polarization of CD4 T cells towards T helper type (Th) 1 and Th17 cells. IL-1 beta/IL-1F2 Protein, Human, Recombinant (His & Avi) is expressed in E. coli expression system with C-His-Avi tag. The predicted molecular weight is 20.1 kDa and the accession number is P01584.
Species	Human
Expression System	E. coli
Tag	C-His-Avi
Accession Number	P01584
Synonyms	Interleukin-1 β,Interleukin-1 beta,IL-1β,IL1F2,IL-1BETA,IL-1B,IL1B,IL-1 β/IL-1F2,IL-1 β,IL-1 beta
Construction	Ala117-Ser269
Protein Purity	> 95% as determined by Tris-Bis PAGE; > 95% as determined by SEC-HPLC
Molecular Weight	20.1 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-1 beta (IL-1β) is induced by inflammatory signals in a broad number of immune cell types. IL-1β (and IL-18) are the only cytokines which are processed by caspase-1 after inflammasome-mediated activation. IL-1 signaling activates innate immune cells including antigen presenting cells, and drives polarization of CD4 T cells towards T helper type (Th) 1 and Th17 cells.