{"metadata":{"accession":"A0A384CZ54","id":"A0A384CZ54_URSMA","source_organism":{"taxId":"29073","scientificName":"Ursus maritimus","fullName":"Ursus maritimus (Polar bear)"},"name":"CD40 ligand","description":["Cytokine that acts as a ligand to CD40/TNFRSF5. Costimulates T-cell proliferation and cytokine production. Involved in immunoglobulin class switching","Cytokine that acts as a ligand to CD40/TNFRSF5. Costimulates T-cell proliferation and cytokine production. Its cross-linking on T-cells generates a costimulatory signal which enhances the production of IL4 and IL10 in conjunction with the TCR/CD3 ligation and CD28 costimulation. Induces the activation of NF-kappa-B. Induces the activation of kinases MAPK8 and PAK2 in T-cells. Mediates B-cell proliferation in the absence of co-stimulus as well as IgE production in the presence of IL4. Involved in immunoglobulin class switching","[CD40 ligand, soluble form]: Acts as a ligand for integrins, specifically ITGA5:ITGB1 and ITGAV:ITGB3; both integrins and the CD40 receptor are required for activation of CD40-CD40LG signaling, which have cell-type dependent effects, such as B-cell activation, NF-kappa-B signaling and anti-apoptotic signaling"],"length":260,"sequence":"MIETYSQTAPRSVATGPPVSMKIFMYLLTGFLITQMIGSALFAVYLHRRLDKIEDERNLYEDFVFMKTLQKCNKGEGSLSLLNCEEIKSRFEAFLKEIMLNKEVKEENSVAMQKGDQDPRIAAHVISEARSNTASVLQWAPKGYYTISSNLVTLENGKQLAVKRQGLYYIYAQVTFCSNRETSSQGPFIASLCLNSPSGSERVLLRAANPRSSSKPCGQQSIHLGGVFELHPGASVFVNVTDPSQVSHGTGFTSFGLLKL","proteome":"UP000261680","gene":"CD40LG","go_terms":[{"identifier":"GO:0005515","name":"protein binding","category":{"code":"F","name":"molecular_function"}},{"identifier":"GO:0005164","name":"tumor necrosis factor receptor binding","category":{"code":"F","name":"molecular_function"}},{"identifier":"GO:0006955","name":"immune response","category":{"code":"P","name":"biological_process"}},{"identifier":"GO:0016020","name":"membrane","category":{"code":"C","name":"cellular_component"}}],"protein_evidence":3,"source_database":"unreviewed","is_fragment":false,"in_alphafold":true,"ida_accession":"452ab3949debfc11bfeb581670598a02215fe991","counters":{"domain_architectures":12202,"entries":14,"isoforms":0,"proteomes":1,"sets":2,"structures":0,"taxa":1,"dbEntries":{"cathgene3d":1,"ssf":1,"cdd":1,"smart":1,"profile":1,"pfam":1,"pirsf":1,"panther":1,"prosite":1,"prints":1,"interpro":4},"proteome":1,"taxonomy":1,"similar_proteins":12202}}}