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

GET /api/combinations/OLI1558/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "3275",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": null,
                    "KGP_genomes_AFR_maf": null,
                    "KGP_genomes_AMR_maf": null,
                    "KGP_genomes_EAS_maf": null,
                    "KGP_genomes_EUR_maf": null,
                    "KGP_genomes_SAS_maf": null,
                    "gnomad_maf": 4.238e-05,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 2.966e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 8.563e-05,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 3.471808,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 127253446,
                "genomic_position_hg38": 124491167,
                "chromosome": "9",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:58:00.137362",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.1052C>T",
                "protein_change": "p.Aal351Val",
                "transcript_id": "NM_004959",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1558"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3275/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3275/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3275/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3275/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "NR5A1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/3275/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2725",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0006,
                    "KGP_genomes_AFR_maf": 0.0008,
                    "KGP_genomes_AMR_maf": 0.0014,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.001,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0005925,
                    "gnomad_AFR_maf": 0.001292,
                    "gnomad_AMR_maf": 0.001417,
                    "gnomad_ASJ_maf": 0.002083,
                    "gnomad_EAS_maf": 0.0002175,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.0003692,
                    "gnomad_OTH_maf": 0.001954,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 4.012438,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 5294763,
                "genomic_position_hg38": 5314117,
                "chromosome": "20",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:56.865114",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.253C>T",
                "protein_change": "p.Arg85Cys",
                "transcript_id": "NM_144773.4",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 7
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1297"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1525"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1544"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1547"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1548"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1558"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1567"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2725/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2725/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2725/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2725/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "PROKR2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2725/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "3276",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": null,
                    "KGP_genomes_AFR_maf": null,
                    "KGP_genomes_AMR_maf": null,
                    "KGP_genomes_EAS_maf": null,
                    "KGP_genomes_EUR_maf": null,
                    "KGP_genomes_SAS_maf": null,
                    "gnomad_maf": 8.09e-05,
                    "gnomad_AFR_maf": 0.000319,
                    "gnomad_AMR_maf": 0.0002613,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 5.491e-05,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 3.601e-05,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 3.274e-05,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 3.883387,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 1807161,
                "genomic_position_hg38": 1805434,
                "chromosome": "4",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:58:00.143404",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.1498C>T",
                "protein_change": "p.Arg500Trp",
                "transcript_id": "NM_001163213",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1558"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3276/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3276/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3276/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3276/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "FGFR3"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/3276/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "3199",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0008,
                    "KGP_genomes_AFR_maf": 0.0023,
                    "KGP_genomes_AMR_maf": 0.0014,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0005995,
                    "gnomad_AFR_maf": 0.006309,
                    "gnomad_AMR_maf": 0.0009562,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.0001178,
                    "gnomad_OTH_maf": 0.0003292,
                    "gnomad_SAS_maf": 6.537e-05,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 3.258477,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 121747018,
                "genomic_position_hg38": 120989442,
                "chromosome": "2",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:59.675475",
                "ref_allele": "G",
                "alt_allele": "T",
                "cdna_change": "c.3528G>T",
                "protein_change": "p.Gln1176His",
                "transcript_id": "NM_005270",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 3
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1524"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1558"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1746"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3199/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3199/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3199/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3199/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GLI2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/3199/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "3204",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0016,
                    "KGP_genomes_AFR_maf": 0.0045,
                    "KGP_genomes_AMR_maf": 0.0014,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.001,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0005136,
                    "gnomad_AFR_maf": 0.003384,
                    "gnomad_AMR_maf": 0.0008394,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.000317,
                    "gnomad_OTH_maf": 0.001472,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 0.727098,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 117121767,
                "genomic_position_hg38": 116800604,
                "chromosome": "6",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:59.706527",
                "ref_allele": "T",
                "alt_allele": "G",
                "cdna_change": "c.1528A>C",
                "protein_change": "p.Asn510His",
                "transcript_id": "NM_148963",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 3
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1526"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1558"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1563"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3204/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3204/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3204/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3204/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GPRC6A"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/3204/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "3277",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": null,
                    "KGP_genomes_AFR_maf": null,
                    "KGP_genomes_AMR_maf": null,
                    "KGP_genomes_EAS_maf": null,
                    "KGP_genomes_EUR_maf": null,
                    "KGP_genomes_SAS_maf": null,
                    "gnomad_maf": 7.736e-05,
                    "gnomad_AFR_maf": 8.779e-05,
                    "gnomad_AMR_maf": 3.765e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0001392,
                    "gnomad_NFE_maf": 0.0001223,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": null,
                    "cadd_prediction": 0.716641,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 153583083,
                "genomic_position_hg38": 154354715,
                "chromosome": "X",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:58:00.149644",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.5218-4G>A",
                "protein_change": null,
                "transcript_id": "NM_001110556",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1558"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3277/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3277/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/3277/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/3277/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "FLNA"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/3277/?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": 6
    }
}