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

GET /api/combinations/OLI605/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "1330",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0002,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.001,
                    "gnomad_maf": 0.0001315,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 2.894e-05,
                    "gnomad_ASJ_maf": 0.001886,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.0001058,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 3.269e-05,
                    "ESP_AA_maf": 0.000227,
                    "ESP_EA_maf": 0.0
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 3.55797,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 48835310,
                "genomic_position_hg38": 48261174,
                "chromosome": "13",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:48.519948",
                "ref_allele": "A",
                "alt_allele": "G",
                "cdna_change": "c.751A>G",
                "protein_change": "p.Ile251Val",
                "transcript_id": "NM_021999.4",
                "dbsnp_id": "rs139394220",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI605"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1330/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1330/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/1330/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/1330/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "ITM2B"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/1330/?format=api"
            }
        },
        {
            "type": "CopyNumberVariant",
            "id": "530",
            "attributes": {
                "status": "CU",
                "genomic_position_hg19": 27573539,
                "genomic_position_hg38": 27573541,
                "chromosome": "9",
                "annotation_flag": "cnv",
                "lastmodified": "2021-10-18T11:00:53.931468",
                "location": "9p21.2",
                "sequence": "GGGGCC",
                "number_of_repeats": "{\"bounds\": \"[)\", \"lower\": \"30\", \"upper\": null}",
                "type_cnv": "repeat"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 30
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI271"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI272"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI273"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI561"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI605"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI624"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI625"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI626"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI627"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI628"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI629"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI630"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI631"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI632"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI633"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI637"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI638"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI655"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI656"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI657"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI769"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI770"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI771"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI772"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI773"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI774"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI822"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI830"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1009"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI1011"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/530/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/530/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "data": {
                        "type": "Gene",
                        "id": "C9orf72"
                    },
                    "links": {
                        "related": "https://olida.ibsquare.be/api/genes/C9orf72/?format=api"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/530/?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": 2
    }
}