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Your Position: Home > CD40 / TNFRSF5 / Bp50 Molecule

CD40 Molecule Synonym Name


CD40 Protein Products

Cat No Species Product Description
CD0-C5257 Cynomolgus Cynomolgus CD40 / TNFRSF5 Protein, Fc Tag
CD0-C5259 Rhesus macaque Rhesus macaque CD40 / TNFRSF5 Protein, Fc Tag
CD0-C52H6 Cynomolgus Cynomolgus CD40 / TNFRSF5 Protein
CD0-C52H7 Rhesus macaque Rhesus macaque CD40 / TNFRSF5 Protein
CD0-H5228 Human Human CD40 / TNFRSF5 Protein
CD0-H5253 Human Human CD40 / TNFRSF5 Protein, Fc Tag (HPLC-verified)
CD0-H82E8 Human Biotinylated Human CD40 / TNFRSF5, Avi Tag (Avitag?)
TN5-M5259 Mouse Mouse CD40 / TNFRSF5 Protein, Fc Tag
TN5-M52H8 Mouse Mouse CD40 / TNFRSF5 Protein
TN5-H82F9 Human Biotinylated Human CD40 / TNFRSF5, Fc Tag & Avi Tag (Avitag™)
TN5-H82F9 Human Biotinylated Human CD40 / TNFRSF5, Fc Tag & Avi Tag (Avitag™)

CD40 Molecule Background

CD40 is also known as TNFRSF5, Bp50, CDW40, MGC9013, TNFRSF5 and p50, is a member of the TNF receptor superfamily which are single transmembrane-spanning glycoproteins, and plays an essential role in mediating a broad variety of immune and inflammatory responses including T cell-dependent immunoglobulin class switching, memory B cell development, and germinal center formation. CD40 is a costimulatory protein found on antigen presenting cells and is required for their activation. The binding of CD154 (CD40L) on TH cells to CD40 activates antigen presenting cells and induces a variety of downstream effects. CD40 contains 4 cysteine-rich repeats in the extracellular domain, and is expressed in B cells, dendritic cells, macrophages, endothelial cells, and several tumor cell lines. The extracellular domain has the cysteinerich repeat regions, which are characteristic for many of the receptors of the TNF superfamily. Interaction of CD40 with its ligand, CD40L, leads to aggregation of CD40 molecules,which in turn interact with cytoplasmic components to initiate signaling pathways. Early studies on the CD40-CD40L system revealed its role in humoral immunity. Defects in CD40 result in hyper-IgM immunodeficiency type 3 (HIGM3), an autosomal recessive disorder characterized by an inability of B cells to undergo isotype switching, as well as an inability to mount an antibody-specific immune response, and a lack of germinal center formation.


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