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

GET /api/combinations/OLI1330/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "2795",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0034,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0139,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0031,
                    "gnomad_maf": 0.00132,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 0.0,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.01621,
                    "gnomad_FIN_maf": 9.587e-05,
                    "gnomad_NFE_maf": 3.641e-05,
                    "gnomad_OTH_maf": 0.0008415,
                    "gnomad_SAS_maf": 0.0006372,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 1.961774,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 137540425,
                "genomic_position_hg38": 137219288,
                "chromosome": "6",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.289554",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.40G>A",
                "protein_change": null,
                "transcript_id": "NM_000416.3",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1330"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2795/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2795/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2795/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2795/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "IFNGR1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2795/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2796",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0012,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.006,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.003197,
                    "gnomad_AFR_maf": 0.0001873,
                    "gnomad_AMR_maf": 0.0005783,
                    "gnomad_ASJ_maf": 0.0007946,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.01737,
                    "gnomad_NFE_maf": 0.003297,
                    "gnomad_OTH_maf": 0.003441,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": -0.235467,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 67635211,
                "genomic_position_hg38": 67169528,
                "chromosome": "1",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.295764",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.257G>A",
                "protein_change": null,
                "transcript_id": "NM_144701.3",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1330"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2796/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2796/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2796/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2796/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "IL23R"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2796/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2797",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0022,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.001,
                    "KGP_genomes_SAS_maf": 0.0102,
                    "gnomad_maf": 0.001837,
                    "gnomad_AFR_maf": 0.0002583,
                    "gnomad_AMR_maf": 0.0005793,
                    "gnomad_ASJ_maf": 0.001987,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 4.638e-05,
                    "gnomad_NFE_maf": 0.001255,
                    "gnomad_OTH_maf": 0.001155,
                    "gnomad_SAS_maf": 0.008627,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": null,
                    "cadd_prediction": 0.301327,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 65339122,
                "genomic_position_hg38": 64873439,
                "chromosome": "1",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.301878",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.414C>T",
                "protein_change": null,
                "transcript_id": "NM_002227.4",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1330"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2797/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2797/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2797/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2797/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "JAK1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2797/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2798",
            "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": 2.03009,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 48227102,
                "genomic_position_hg38": 50149737,
                "chromosome": "17",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:57.307909",
                "ref_allele": "GGGCGGCGGC",
                "alt_allele": "G",
                "cdna_change": "c.759_767del",
                "protein_change": null,
                "transcript_id": "NM_032595.5",
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI1330"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2798/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2798/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2798/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2798/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "PPP1R9B"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2798/?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
    }
}