A receptor ligand pair central to the transmission of this signal is CD40, expressed on the surface of B cells, together with CD40L, expressed on activated T cells. In the presence of such stimulus, IL-4 and IL-13 are capable of triggering immunoglobulin class switching and secretion of IgE. B cells are sensitive to these cytokines only subsequent to CD40/CD40L-driven DNA synthesis. A downstream mediator of the CD40 signaling pathway, designated CRAF, is a member of an expanding family of proteins that contain a conserved cysteine- and histidine-rich RING finger motif. Other members of the family include TRAF1 and TRAF2. The latter proteins have been shown to regulate TNF-R2 as well as CD40 signaling through activation of the NFκB family of transcription factors.

Tumor necrosis factor receptor superfamily member 5; B-cell surface antigen CD40; Bp50; CD40L receptor; CDw40; CD40; CD40; TNFRSF5

p25942

Human,Mouse,Rat

WB,IHC

WB 1:500-1:1000
IHC 1:50-1:200

~ 30 kDa

Rabbit

This antibody detects endogenous levels of CD40 protein.

Synthetic peptide, corresponding to amino acids 230-280 of Human CD40.

Polyclonal

Rabbit IgG

The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is > 95% (by SDS-PAGE).

PBS with 0.02% sodium azide, 50% glycerol, pH7.2

1mg/ml

Store at 4℃ short term,and store at -20℃ long term. Avoid freeze-thaw cycles.