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

GET /api/combinations/OLI1315/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "2754",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0002,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.001,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0001156,
                    "gnomad_AFR_maf": 0.0007405,
                    "gnomad_AMR_maf": 8.677e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0001088,
                    "gnomad_FIN_maf": 0.0001388,
                    "gnomad_NFE_maf": 5.293e-05,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 9.801e-05,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 4.032187,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 20763294,
                "genomic_position_hg38": 20189155,
                "chromosome": "13",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.041041",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.427C>T",
                "protein_change": "p.Arg143Trp",
                "transcript_id": "NM_004004.5",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 2
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1313"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1315"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2754/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2754/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2754/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2754/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GJB2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2754/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2755",
            "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": null,
                    "gnomad_AFR_maf": null,
                    "gnomad_AMR_maf": null,
                    "gnomad_ASJ_maf": null,
                    "gnomad_EAS_maf": null,
                    "gnomad_FIN_maf": null,
                    "gnomad_NFE_maf": null,
                    "gnomad_OTH_maf": null,
                    "gnomad_SAS_maf": null,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": null,
                    "cadd_prediction": 4.860717,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 20763485,
                "genomic_position_hg38": 20189346,
                "chromosome": "13",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.047066",
                "ref_allele": "AG",
                "alt_allele": "A",
                "cdna_change": "c.235delC",
                "protein_change": "p.Leu79fs",
                "transcript_id": "NM_004004.5",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 5
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1313"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1314"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1315"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1317"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1318"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2755/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2755/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2755/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2755/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GJB2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2755/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "283",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0154,
                    "KGP_genomes_AFR_maf": 0.0008,
                    "KGP_genomes_AMR_maf": 0.0029,
                    "KGP_genomes_EAS_maf": 0.0734,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.00772,
                    "gnomad_AFR_maf": 0.0008612,
                    "gnomad_AMR_maf": 0.002632,
                    "gnomad_ASJ_maf": 0.008058,
                    "gnomad_EAS_maf": 0.08274,
                    "gnomad_FIN_maf": 0.001803,
                    "gnomad_NFE_maf": 0.001326,
                    "gnomad_OTH_maf": 0.004407,
                    "gnomad_SAS_maf": 0.0003924,
                    "ESP_AA_maf": 0.000227,
                    "ESP_EA_maf": 0.00186
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 2.465987,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 20763612,
                "genomic_position_hg38": 20189473,
                "chromosome": "13",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:42.189394",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.109G>A",
                "protein_change": "p.Val37Ile",
                "transcript_id": "NM_004004.5",
                "dbsnp_id": "rs72474224",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 3
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1315"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI136"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI137"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/283/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/283/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/283/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/283/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GJB2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/283/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2758",
            "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": 0.0003076,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 0.001077,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.002477,
                    "gnomad_FIN_maf": 4.746e-05,
                    "gnomad_NFE_maf": 1.76e-05,
                    "gnomad_OTH_maf": 0.0001678,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": null,
                    "cadd_prediction": 6.962741,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 21747639,
                "genomic_position_hg38": 21736318,
                "chromosome": "16",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.065025",
                "ref_allele": "G",
                "alt_allele": "T",
                "cdna_change": "c.2359G>T",
                "protein_change": "p.Glu787Ter",
                "transcript_id": "NM_144672.3",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 3
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1315"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1316"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1318"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2758/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2758/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2758/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2758/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "OTOA"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2758/?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"
        ],
        "Variant serializers": [
            "SmallVariantSerializer",
            "CopyNumberVariantSerializer"
        ],
        "size": 4
    }
}