Gene Information
Gene NameCD40LG
OrganismHomo sapiens (Human)
Gene Length261
Protein NamesCD40 ligand (CD40-L) (T-cell antigen Gp39) (TNF-related activation protein) (TRAP) (Tumor necrosis factor ligand superfamily member 5) (CD antigen CD154) [Cleaved into: CD40 ligand, membrane form; CD40 ligand, soluble form (sCD40L)]
Target Namecd40 ligand
Target TypeNA
Gene Age680 ( ENSG00000102245 )
Evolutionary StageVertebrata
AlphaFoldDBP29965
Gene CardCD40LG
Uniprot IDP29965
PfamPF00229
In ASDyes
Allosteric Predictionno (-0.074892453)
Ortholog in AnimalsAlpaca_ CD40LG ( ortholog_one2one )
Dog_ CD40LG ( ortholog_one2one )
GuineaPig_ CD40LG ( ortholog_one2one )
Macaque_ CD40LG ( ortholog_one2one )
Mouse_ Cd40lg ( ortholog_one2one )
Pig_ CD40LG ( ortholog_one2one )
Rat_ Cd40lg ( ortholog_one2one )
Rabbit_ CD40LG ( ortholog_one2one )
OhnologsNA
ParalogsTNFSF14, LTA, LTB, TNFSF15, TNF, FASLG, TNFSF11, TNFSF10
Tissueappendix, lymph.node, tonsil
Tissue SpecificitySpecifically expressed on activated CD4+ T-lymphocytes.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1ALY  (X-ray  2.00A  1I9R  (X-ray  3.10A  3LKJ  (X-ray  2.50A  3QD6  (X-ray  3.50A  6BRB  (X-ray  2.82A  6W9G  (X-ray  1.82A  7SGM  (X-ray  2.00A 
DBSNP rs104894774  rs104894778  rs104894777  rs886039326  rs1057521127  rs104894769  rs756468554  rs1569377829  rs148594123  rs104894768  rs104894771  rs193922136  rs1477466218  rs1569377884 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:8626375};
Single-pass type II membrane protein {ECO:0000303|PubMed:8626375}. Cell surface {ECO:0000269|PubMed:15067037, ECO:0000269|PubMed:7678552}.;
[CD40 ligand, soluble form]: Secreted {ECO:0000269|PubMed:8626375}. Note=Release of soluble CD40L from platelets is partially regulated by GP IIb/IIIa, actin polymerization, and a matrix metalloproteinases (MMP) inhibitor-sensitive pathway. {ECO:0000269|PubMed:15193700}.
Mouse PG classificationNA
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