Recombinant Human Interleukin-4(IL4)

Recombinant Human Interleukin-4(IL4)

CSB-YP011659HU
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Size: 200ug. Other sizes are also available. Please Inquire.

In Stock: No

Lead time: 22-32 working days

Research Topic: Immunology

Uniprot ID: P05112

Gene Names: IL4

Organism: Homo sapiens (Human)

AA Sequence: HKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS

Expression Region: 25-153aa

Sequence Info: Full Length

Source: Yeast

Tag Info: N-terminal 6xHis-tagged

MW: 17 kDa

Alternative Name(s): B-cell stimulatory factor 1 ;BSF-1Binetrakin;Lymphocyte stimulatory factor 1;Pitrakinra

Relevance: Participates in at least several B-cell activation processes as well as of other cell types. It is a costimulator of DNA-synthesis. It induces the expression of class II MHC molecules on resting B-cells. It enhances both secretion and cell surface expression of IgE and IgG1. It also regulates the expression of the low affinity Fc receptor for IgE (CD23) on both lymphocytes and monocytes.

Reference: Isolation and characterization of a human interleukin cDNA clone, homologous to mouse B-cell stimulatory factor 1, that expresses B-cell- and T-cell-stimulating activities.Yokota T., Otsuka T., Mosmann T., Banchereau J., Defrance T., Blanchard D., de Vries J.E., Lee F., Arai K.Proc. Natl. Acad. Sci. U.S.A. 83:5894-5898(1986)

Purity: Greater than 90% as determined by SDS-PAGE.

Storage Buffer: Tris-based buffer,50% glycerol

Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

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