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CD40

Function

Receptor for TNFSF5/CD40LG (PubMed:31331973). Transduces TRAF6- and MAP3K8-mediated signals that activate ERK in macrophages and B cells, leading to induction of immunoglobulin secretion (By similarity).

Involvement in disease

Immunodeficiency with hyper-IgM 3

HIGM3

A rare immunodeficiency syndrome characterized by normal or elevated serum IgM levels with absence of IgG, IgA, and IgE. It results in a profound susceptibility to bacterial infections.

None

The disease is caused by variants affecting the gene represented in this entry.

Tissue specificity

B-cells and in primary carcinomas.

Cellular localization

  • Isoform I
  • Cell membrane
  • Single-pass type I membrane protein
  • Isoform II
  • Secreted

Alternative names

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

Target type

Proteins

Primary research area

Immuno-oncology

Other research areas

  • Immunology & Infectious Disease
  • Neuroscience

Molecular weight

30619Da