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Home / Proteins & Peptide

Recombinant Human IL21

SKU : BHP10900104

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Applied Biological Materials (abm) Inc.

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Mfr.No.	Z100497
Description	IL-21 stimulates proliferation of B cell stimulated by crosslinking of the CD40 antigen. It inhibits proliferation stimulated by IL-4 plus anti-IgM. IL-21 augments stimulation of the proliferation of naive CD45RA(+) but not memory CD45R0(+) T cells mediated by engagement of CD3. IL-21 stimulates the proliferation of bone marrow progenitor cells and the expression of the natural killer cell marker CD56 in the presence of IL-15. The Interleukin-21 receptor is closely related to human IL-2 beta receptor. The receptor contains a WSXWS motif in the extracellular region, typical of type 1 cytokine receptors. The receptor is expressed on natural killer cells, T cells, and B cell line. The functional signaling complex activates Janus kinases JAK1, JAK3, and the STAT proteins STAT1, and STAT3.
Alternative Names	IL-21 ; Za11
Quantity	100 µg
Regulatory	RUO
Source	E. coli
Host	Human
Endotoxin Level	<1.0 EU/μg of recombinant protein as determined by the LAL method.
Biological Activity Comment	The ED(50) was determined by the dose-dependent proliferation of HuT-78 Cells and was found to be <0.05ng/mL.

Weight	15.0 kDa

Description	A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.
Format	Lyophilized Powder Recombinant Interleukin-21 was lyophilized from a 0.2 μm filtered PBS solution pH 7.5.
Purity	>95% as determined by SDS-PAGE
Storage	The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.

Immunogen Species	Homo Sapiens (Human)

MSDS	Growth Factors, Cytokines & Kinases MSDS
Other	Growth Factor and Cytokine Brochure

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SKU	Supplier No.	Size	Your price	Quantity
BHP10900104	Z100497	100µg	$1475		Add to Cart

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