CD40 (protein)

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CD40 molecule
Identifiers
Symbol(s) CD40 TNFRSF5
Entrez 958
OMIM 109535
RefSeq NM_001250
UniProt P25942
Other data
Locus Chr. 20 q12-q13.2

CD40 is a costimulatory protein found on antigen presenting cells. CD40 binds to CD154 (CD40L) on T cells to induce antibody isotype switching in B cells.

[edit] Reference

Coico, R., Sunshine, G., and Benjamin, E. (2003). “Immunology: A Short Course.” Pg. 97.