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

GET /api/combinations/OLI231/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "447",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0006,
                    "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": 0.002,
                    "gnomad_maf": 0.000442,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 0.0001158,
                    "gnomad_ASJ_maf": 0.0006949,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.0002466,
                    "gnomad_OTH_maf": 0.0001633,
                    "gnomad_SAS_maf": 0.002319,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 4.295882,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 112435335,
                "genomic_position_hg38": 112114132,
                "chromosome": "6",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:43.134125",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.5249C>T",
                "protein_change": "p.Pro1750Leu",
                "transcript_id": "NM_001105207.2",
                "dbsnp_id": "rs200177134",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI231"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/447/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/447/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/447/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/447/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "LAMA4"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/447/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "448",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0006,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0029,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.001,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.002452,
                    "gnomad_AFR_maf": 0.0008612,
                    "gnomad_AMR_maf": 0.002515,
                    "gnomad_ASJ_maf": 0.009627,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0001397,
                    "gnomad_NFE_maf": 0.003563,
                    "gnomad_OTH_maf": 0.001631,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.0004539,
                    "ESP_EA_maf": 0.004651
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 3.148255,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 32977026,
                "genomic_position_hg38": 32824092,
                "chromosome": "12",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:43.140293",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.1759G>A",
                "protein_change": "p.Val587Ile",
                "transcript_id": "NM_004572.3",
                "dbsnp_id": "rs146102241",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI231"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/448/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/448/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/448/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/448/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "PKP2"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/448/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "449",
            "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": 0.706847,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 179544684,
                "genomic_position_hg38": 178679957,
                "chromosome": "2",
                "annotation_flag": "manually_attributed",
                "lastmodified": "2023-06-06T16:57:43.146572",
                "ref_allele": "A",
                "alt_allele": "ACTT",
                "cdna_change": "c.32565_32566insAAG",
                "protein_change": "p.Glu10855_Tyr10856insLys",
                "transcript_id": "NM_001256850.1",
                "dbsnp_id": "rs1577324587",
                "variant_effect": "insertion"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI231"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/449/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/449/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/449/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/449/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "TTN"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/449/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "450",
            "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": 6.448e-05,
                    "gnomad_AFR_maf": 6.463e-05,
                    "gnomad_AMR_maf": 0.000116,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 5.591e-05,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 8.919e-05,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.0,
                    "ESP_EA_maf": 0.0001219
                },
                "predictions": {
                    "sift_prediction": null,
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 3.045188,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 179444867,
                "genomic_position_hg38": 178580140,
                "chromosome": "2",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:43.152876",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.62224G>A",
                "protein_change": "p.Gly20742Arg",
                "transcript_id": "NM_001256850.1",
                "dbsnp_id": "rs372388682",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI231"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/450/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/450/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/450/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/450/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "TTN"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/450/?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
    }
}