GET /api/protein/UniProt/A0A384CZ54/?format=api
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{
    "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,
        "in_bfvd": false,
        "ida_accession": "452ab3949debfc11bfeb581670598a02215fe991",
        "counters": {
            "domain_architectures": 12863,
            "entries": 14,
            "isoforms": 0,
            "proteomes": 1,
            "sets": 2,
            "structures": 0,
            "taxa": 1,
            "dbEntries": {
                "cathgene3d": 1,
                "ssf": 1,
                "cdd": 1,
                "profile": 1,
                "smart": 1,
                "pfam": 1,
                "pirsf": 1,
                "panther": 1,
                "prints": 1,
                "prosite": 1,
                "interpro": 4
            },
            "proteome": 1,
            "taxonomy": 1,
            "similar_proteins": 12863
        }
    }
}