This API endpoint handles listing (/genes) and retrieval (/genes/<ID>/) of genes that are contained in the database due to their association to
genetic variants that are involved in at least one oligogenic combination in OLIDA.

GET /api/genecombinations/450/genes/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "Gene",
            "id": "C9orf72",
            "attributes": {
                "go_molecular_function": [
                    "guanyl-nucleotide exchange factor activity",
                    "small GTPase binding",
                    "protein binding"
                ],
                "pathway_id": [
                    "kegg_path:hsa04140",
                    "kegg_path:hsa05014",
                    "kegg_path:hsa05022"
                ],
                "essential_gene": null,
                "status": "CU",
                "uniprot_acc": "Q96LT7",
                "ensembl_id": "None",
                "entrez_id": "ENSG00000147894",
                "chromosome_number": "9",
                "lastmodified": "2021-10-18T11:00:44.423366"
            },
            "relationships": {
                "variant_set": {
                    "meta": {
                        "count": 5
                    },
                    "data": [
                        {
                            "type": "CopyNumberVariant",
                            "id": "530"
                        },
                        {
                            "type": "CopyNumberVariant",
                            "id": "1225"
                        },
                        {
                            "type": "CopyNumberVariant",
                            "id": "1694"
                        },
                        {
                            "type": "CopyNumberVariant",
                            "id": "1808"
                        },
                        {
                            "type": "CopyNumberVariant",
                            "id": "3061"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/genes/C9orf72/relationships/variant_set?format=api",
                        "related": "https://olida.ibsquare.be/api/genes/C9orf72/variants/?format=api"
                    }
                },
                "genecombination_set": {
                    "meta": {
                        "count": 25
                    },
                    "data": [
                        {
                            "type": "GeneCombination",
                            "id": "175"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "176"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "177"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "377"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "390"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "413"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "428"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "429"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "430"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "431"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "432"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "433"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "435"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "449"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "450"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "552"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "556"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "557"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "558"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "600"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "603"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "553"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "1147"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "1148"
                        },
                        {
                            "type": "GeneCombination",
                            "id": "1149"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/genes/C9orf72/relationships/genecombination_set?format=api",
                        "related": "https://olida.ibsquare.be/api/genes/C9orf72/genecombinations/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/genes/C9orf72/?format=api"
            }
        },
        {
            "type": "Gene",
            "id": "PSEN2",
            "attributes": {
                "go_molecular_function": [
                    "protein binding",
                    "peptidase activity"
                ],
                "pathway_id": [
                    "R-HSA-9013700",
                    "R-HSA-2894862",
                    "R-HSA-9012852",
                    "R-HSA-2644603",
                    "R-HSA-2894858",
                    "kegg_path:hsa05010",
                    "R-HSA-9006934",
                    "R-HSA-157118",
                    "R-HSA-2122948",
                    "R-HSA-204998",
                    "R-HSA-3928665",
                    "R-HSA-193704",
                    "R-HSA-2644606",
                    "R-HSA-9017802",
                    "R-HSA-2979096",
                    "R-HSA-2644602",
                    "R-HSA-1643685",
                    "R-HSA-193692",
                    "kegg_path:hsa04722",
                    "R-HSA-9013694",
                    "R-HSA-1980145",
                    "R-HSA-9013507",
                    "R-HSA-9675108",
                    "R-HSA-422475",
                    "R-HSA-1266738",
                    "kegg_path:hsa04330",
                    "R-HSA-2682334",
                    "R-HSA-1236394",
                    "R-HSA-162582",
                    "R-HSA-1980143",
                    "kegg_path:hsa05022",
                    "R-HSA-1251985",
                    "R-HSA-205043",
                    "R-HSA-5663202",
                    "R-HSA-73887"
                ],
                "essential_gene": "Non-essential",
                "status": "CU",
                "uniprot_acc": "P49810",
                "ensembl_id": "ENSG00000143801",
                "entrez_id": "5664",
                "chromosome_number": "1",
                "lastmodified": "2021-10-18T11:00:44.695582"
            },
            "relationships": {
                "variant_set": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "SmallVariant",
                            "id": "1427"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/genes/PSEN2/relationships/variant_set?format=api",
                        "related": "https://olida.ibsquare.be/api/genes/PSEN2/variants/?format=api"
                    }
                },
                "genecombination_set": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "GeneCombination",
                            "id": "450"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/genes/PSEN2/relationships/genecombination_set?format=api",
                        "related": "https://olida.ibsquare.be/api/genes/PSEN2/genecombinations/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/genes/PSEN2/?format=api"
            }
        }
    ],
    "meta": {
        "database_name": "OLIgogenic diseases DAtabase (OLIDA)",
        "resource_url": "olida.ibsquare.be",
        "api_release_year": "2021",
        "api_developer": [
            [
                "Arnau Dillen",
                "arnau.dillen@ulb.ac.be"
            ],
            [
                "Charlotte Nachtegael",
                "charlotte.nachtegael@ulb.be"
            ]
        ],
        "api_version": "0.3",
        "api_maintainers": [
            [
                "Charlotte Nachtegael",
                "charlotte.nachtegael@ulb.be"
            ]
        ],
        "api_documentation": [
            "olida.ibsquare.be/api/swagger",
            "olida.ibsquare.be/api/redoc"
        ],
        "copyright": "Copyright (c) 2025 · OLIDA All Rights Reserved.",
        "license": "CC Attribution-NonCommercial 4.0 International License",
        "ontologies": {
            "ORDO": "http://bioportal.bioontology.org/ontologies/ORDO",
            "GENO": "http://purl.obolibrary.org/obo/geno.owl",
            "MI": "http://purl.obolibrary.org/obo/mi.owl",
            "NCIT": "http://purl.obolibrary.org/obo/ncit.owl",
            "OGI": "http://purl.obolibrary.org/obo/ogi.owl",
            "OGG": "http://purl.obolibrary.org/obo/ogg.owl"
        },
        "relevant_publications_doi": [
            "10.1093/nar/gkv1068",
            "10.1093/database/baac023"
        ],
        "size": 2
    }
}