This API endpoint handles listing (/variants) and retrieval (/variants/<ID>/) of genetic variants from the database

GET /api/genes/ATXN2/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "CopyNumberVariant",
            "id": "535",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": 112036797,
                "genomic_position_hg38": 111598993,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2021-10-18T11:00:54.034855",
                "location": "p.Q188",
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"29\", \"upper\": \"33\"}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 3
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI275"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI278"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI281"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/535/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/535/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/535/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "1226",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2021-10-18T11:01:05.952939",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"empty\": true}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI578"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1226/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1226/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1226/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "1370",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2021-10-18T11:01:08.401399",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"29\", \"upper\": \"39\"}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI624"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1370/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1370/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1370/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "1725",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2021-10-18T11:01:16.595197",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"27\", \"upper\": \"32\"}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 3
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI784"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI785"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI786"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1725/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1725/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1725/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "2063",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2022-08-04T14:15:12.345555",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"32\", \"upper\": null}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI955"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2063/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2063/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2063/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "2065",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2022-08-04T14:15:12.474413",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"28\", \"upper\": null}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI956"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2065/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2065/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2065/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "2067",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2022-08-04T14:15:12.599285",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"30\", \"upper\": null}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI957"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2067/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2067/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2067/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "2069",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": null,
                "genomic_position_hg38": null,
                "chromosome": "12",
                "annotation_flag": "cnv",
                "lastmodified": "2022-08-04T14:15:12.772303",
                "location": null,
                "sequence": "CAG",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"31\", \"upper\": null}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI958"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2069/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2069/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "ATXN2"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/ATXN2/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2069/?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) 2026 · 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"
        ],
        "Variant serializers": [
            "SmallVariantSerializer",
            "CopyNumberVariantSerializer"
        ],
        "size": 8
    }
}