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

GET /api/combinations/OLI701/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "1519",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0062,
                    "KGP_genomes_AFR_maf": 0.0023,
                    "KGP_genomes_AMR_maf": 0.0173,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0139,
                    "KGP_genomes_SAS_maf": 0.002,
                    "gnomad_maf": 0.007851,
                    "gnomad_AFR_maf": 0.003392,
                    "gnomad_AMR_maf": 0.009805,
                    "gnomad_ASJ_maf": 0.001923,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.003911,
                    "gnomad_NFE_maf": 0.01183,
                    "gnomad_OTH_maf": 0.0138,
                    "gnomad_SAS_maf": 0.00161,
                    "ESP_AA_maf": 0.003635,
                    "ESP_EA_maf": 0.01059
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 3.032615,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 109801543,
                "genomic_position_hg38": 109258921,
                "chromosome": "1",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:49.653429",
                "ref_allele": "A",
                "alt_allele": "G",
                "cdna_change": "c.3800A>G",
                "protein_change": "p.His1267Arg",
                "transcript_id": "NM_001408.2",
                "dbsnp_id": "rs138543788",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 5
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI699"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI701"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI720"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI736"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI746"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1519/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1519/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1519/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1519/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "CELSR2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1519/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "1526",
            "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": 4.771e-05,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 2.891e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 7.911e-05,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 6.533e-05,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 3.62923,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 34485691,
                "genomic_position_hg38": 34464144,
                "chromosome": "11",
                "annotation_flag": "manually_attributed",
                "lastmodified": "2023-06-06T16:57:49.696461",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.1235C>T",
                "protein_change": "p.Pro412Leu",
                "transcript_id": "NM_001752.4",
                "dbsnp_id": "rs770216105",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI701"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1526/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1526/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1526/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1526/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "CAT"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1526/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "1527",
            "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": 7.997e-06,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 0.0,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 1.775e-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": "Benign",
                    "cadd_prediction": 2.59957,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 6648404,
                "genomic_position_hg38": 6627173,
                "chromosome": "11",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:49.702713",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.5866C>T",
                "protein_change": "p.His1956Tyr",
                "transcript_id": "NM_003737.3",
                "dbsnp_id": "rs755681858",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI701"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1527/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1527/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1527/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1527/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "DCHS1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1527/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "1528",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0036,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0144,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.006,
                    "KGP_genomes_SAS_maf": 0.002,
                    "gnomad_maf": 0.008122,
                    "gnomad_AFR_maf": 0.0009281,
                    "gnomad_AMR_maf": 0.00642,
                    "gnomad_ASJ_maf": 0.04775,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.003604,
                    "gnomad_NFE_maf": 0.008563,
                    "gnomad_OTH_maf": 0.01507,
                    "gnomad_SAS_maf": 0.005946,
                    "ESP_AA_maf": 0.001362,
                    "ESP_EA_maf": 0.008721
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 2.684674,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 48677191,
                "genomic_position_hg38": 48639758,
                "chromosome": "3",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:49.708860",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.9827C>T",
                "protein_change": "p.Pro3276Leu",
                "transcript_id": "NM_001407.2",
                "dbsnp_id": "rs61729242",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 2
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI701"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI737"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1528/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1528/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1528/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1528/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "CELSR3"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1528/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "1529",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0006,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0043,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0003795,
                    "gnomad_AFR_maf": 0.0001231,
                    "gnomad_AMR_maf": 0.0007041,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.000581,
                    "gnomad_OTH_maf": 0.0003291,
                    "gnomad_SAS_maf": 3.305e-05,
                    "ESP_AA_maf": 0.0,
                    "ESP_EA_maf": 0.0004651
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 2.955475,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 98649964,
                "genomic_position_hg38": 99052341,
                "chromosome": "7",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:49.715096",
                "ref_allele": "G",
                "alt_allele": "C",
                "cdna_change": "c.585C>G",
                "protein_change": "p.Cys195Trp",
                "transcript_id": "NM_001199847.1",
                "dbsnp_id": "rs201268508",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI701"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1529/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1529/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1529/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1529/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "SMURF1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1529/?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": 5
    }
}