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Substance Name: CD40 Ligand
RN: 147205-72-9


  • A membrane glycoprotein and differentiation antigen expressed on the surface of T-cells that binds to CD40 ANTIGENS on B-LYMPHOCYTES and induces their proliferation. Mutation of the gene for CD40 ligand is a cause of HYPER-IGM IMMUNODEFICIENCY SYNDROME, TYPE 1.

Molecular Formula

  • Unspecified
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Links to Resources

Names and Synonyms

Name of Substance

  • CD40 Ligand

MeSH Heading

  • CD40 Ligand


  • CD154 Antigen
  • CD40 Ligand
  • CD40-ligand
  • CD40L
  • gp39 Antigen, T cell
  • gp39 Cytokine
  • T Cell antigen gp39
  • T-BAM
  • Tnf-related activation protein
  • Trap ligand
  • Tumor necrosis factor-related activation protein

Systematic Name

  • Protein (mouse clone 19F gene CD40L reduced)

Registry Numbers

CAS Registry Number

  • 147205-72-9

System Generated Number

  • 0147205729