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

GET /api/combinations/OLI966/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "2088",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0012,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0043,
                    "KGP_genomes_EAS_maf": 0.001,
                    "KGP_genomes_EUR_maf": 0.001,
                    "KGP_genomes_SAS_maf": 0.001,
                    "gnomad_maf": 0.001148,
                    "gnomad_AFR_maf": 0.0001291,
                    "gnomad_AMR_maf": 0.001129,
                    "gnomad_ASJ_maf": 0.006701,
                    "gnomad_EAS_maf": 0.0003268,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.0009334,
                    "gnomad_OTH_maf": 0.002305,
                    "gnomad_SAS_maf": 0.001731,
                    "ESP_AA_maf": 0.0002272,
                    "ESP_EA_maf": 0.001047
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": null,
                    "cadd_prediction": -0.365237,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 26087621,
                "genomic_position_hg38": 26087393,
                "chromosome": "6",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.138036",
                "ref_allele": "C",
                "alt_allele": "G",
                "cdna_change": "c.-48C>G",
                "protein_change": null,
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI966"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2088/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2088/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2088/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2088/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "HFE"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2088/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "693",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0004,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.002,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.001432,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 8.674e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.01146,
                    "gnomad_NFE_maf": 0.0007296,
                    "gnomad_OTH_maf": 0.001304,
                    "gnomad_SAS_maf": 0.0005879,
                    "ESP_AA_maf": 0.0,
                    "ESP_EA_maf": 0.000814
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 0.508335,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 33039603,
                "genomic_position_hg38": 31667290,
                "chromosome": "21",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:44.616879",
                "ref_allele": "A",
                "alt_allele": "C",
                "cdna_change": "c.272A>C",
                "protein_change": "p.Asp91Ala",
                "transcript_id": "NM_000454.4",
                "dbsnp_id": "rs80265967",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 9
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI335"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI777"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI964"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI965"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI966"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI968"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI969"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI970"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/693/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/693/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/693/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/693/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "SOD1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/693/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2089",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0839,
                    "KGP_genomes_AFR_maf": 0.2542,
                    "KGP_genomes_AMR_maf": 0.036,
                    "KGP_genomes_EAS_maf": 0.003,
                    "KGP_genomes_EUR_maf": 0.0258,
                    "KGP_genomes_SAS_maf": 0.0307,
                    "gnomad_maf": 0.04348,
                    "gnomad_AFR_maf": 0.2159,
                    "gnomad_AMR_maf": 0.02483,
                    "gnomad_ASJ_maf": 0.121,
                    "gnomad_EAS_maf": 0.002693,
                    "gnomad_FIN_maf": 0.01819,
                    "gnomad_NFE_maf": 0.02973,
                    "gnomad_OTH_maf": 0.03926,
                    "gnomad_SAS_maf": 0.0415,
                    "ESP_AA_maf": 0.2079,
                    "ESP_EA_maf": 0.03593
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": null,
                    "cadd_prediction": -0.284134,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 110146497,
                "genomic_position_hg38": 109825294,
                "chromosome": "6",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.144353",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.*29G>A",
                "protein_change": null,
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI966"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2089/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2089/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2089/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2089/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "FIG4"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2089/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2087",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.4245,
                    "KGP_genomes_AFR_maf": 0.7345,
                    "KGP_genomes_AMR_maf": 0.2421,
                    "KGP_genomes_EAS_maf": 0.38,
                    "KGP_genomes_EUR_maf": 0.3012,
                    "KGP_genomes_SAS_maf": 0.3078,
                    "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": 0.421735,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 42430244,
                "genomic_position_hg38": 44352876,
                "chromosome": "17",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.131716",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.*78C>T",
                "protein_change": null,
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 5
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI965"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI966"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI968"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI969"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2087/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2087/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2087/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2087/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GRN"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2087/?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
    }
}