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名稱	Recombinant Human sCD40 Ligand
型號
更新時間	2023-09-24
特點(diǎn)	CD40,TNF受體家族的一員,是一種細(xì)胞表面蛋白表達(dá)B細(xì)胞、樹突狀細(xì)胞、單核細(xì)胞、胸腺上皮細(xì)胞,T細(xì)胞在低水平。重組人可溶性CD40配體是一個16.3 kDa蛋白質(zhì)含有149個氨基酸殘基組成的受體結(jié)合TNF-like CD40L的域。}

詳細(xì)內(nèi)容

一.產(chǎn)品名稱：Recombinant Human sCD40 Ligand

二.Catalog Number:310-02

三.Synonyms:soluble CD40 Ligand, TNFSF5, TRAP, CD154, gp39, T-BAM

四.Description:

CD40, a member of the TNF receptor family, is a cell surface protein expressed on B cells, dendritic cells, monocytes, thymic epithelial cells and, at low levels, on T cells. Signaling though CD40 plays an important role in the proliferation and differentiation of B cells, and is critical for immunoglobulin (Ig) class switching. The membrane-anchored CD40-Ligand is expressed almost exclusively on activated CD4+ T lymphocytes. Failure to express CD40L leads to "immunodeficiency with hyper-IgM", a disease characterized by failure to produce IgG, IgA and IgE. The human CD40L gene codes for a 261 amino acid type II transmembrane protein, which contains a 22 amino acid cytoplasmic domain, a 24 amino acid transmembrane domain, and a 215 amino acid extracellular domain. The soluble form of CD40L is an 18 kDa protein comprising the entire TNF homologous region of CD40L and is generated in vivo by an intracellular proteolytic processing of the full length CD40L. Recombinant human soluble CD40 ligand is a 16.3 kDa protein containing 149 amino acid residues comprising the receptor binding TNF-like domain of CD40L.

五.AA Sequence:

MQKGDQNPQI AAHVISEASS KTTSVLQWAE KGYYTNL VTLENGKQLT VKRQGLYYIY AQVTFCSNRE ASSQAPFIAS LWLKSPGRFE RILLRAANTH SSAKPCGS IHLGGVFELQ PGASVFVNVT DPSQVSHGTG FTSFGLLKL

六.Source:E.coli

七.Purity:Greater than 98% by SDS-PAGE gel and HPLC analyses.

八.Biological Activity:

Assay #1: Determined by the stimulation of IL-12 induction by human PBMCs.
Assay #2: Determined by the dose-dependent stimulation of IL-8 production by human PBMC. The expected ED₅₀ for this effect is 5-10 ng/ml. Note: Results may vary with PBMC donors.

九.Cross Reactivity:Monkey, Mouse, Human, Bacteria