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

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

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "987",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0082,
                    "KGP_genomes_AFR_maf": 0.0303,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.001,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.001806,
                    "gnomad_AFR_maf": 0.02541,
                    "gnomad_AMR_maf": 0.0009829,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 1.759e-05,
                    "gnomad_OTH_maf": 0.0008146,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.02724,
                    "ESP_EA_maf": 0.0
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 1.04498,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 21255355,
                "genomic_position_hg38": 21032483,
                "chromosome": "2",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:46.429835",
                "ref_allele": "A",
                "alt_allele": "G",
                "cdna_change": "c.1223T>C",
                "protein_change": "p.Ile408Thr",
                "transcript_id": "NM_000384.2",
                "dbsnp_id": "rs12714225",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI463"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/987/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/987/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/987/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/987/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "APOB"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/987/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "988",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0088,
                    "KGP_genomes_AFR_maf": 0.0318,
                    "KGP_genomes_AMR_maf": 0.0029,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.001665,
                    "gnomad_AFR_maf": 0.02173,
                    "gnomad_AMR_maf": 0.0009254,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 4.638e-05,
                    "gnomad_NFE_maf": 0.0001938,
                    "gnomad_OTH_maf": 0.001632,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.0168,
                    "ESP_EA_maf": 0.0
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 2.080235,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 21232845,
                "genomic_position_hg38": 21009973,
                "chromosome": "2",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:46.436421",
                "ref_allele": "C",
                "alt_allele": "G",
                "cdna_change": "c.6895G>C",
                "protein_change": "p.Asp2299His",
                "transcript_id": "NM_000384.2",
                "dbsnp_id": "rs12713681",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI463"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/988/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/988/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/988/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/988/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "APOB"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/988/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "989",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.003,
                    "KGP_genomes_AFR_maf": 0.0106,
                    "KGP_genomes_AMR_maf": 0.0014,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0005786,
                    "gnomad_AFR_maf": 0.007861,
                    "gnomad_AMR_maf": 0.000348,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 1.766e-05,
                    "gnomad_OTH_maf": 0.0004921,
                    "gnomad_SAS_maf": 3.271e-05,
                    "ESP_AA_maf": 0.004539,
                    "ESP_EA_maf": 0.0
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 0.853173,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 21232498,
                "genomic_position_hg38": 21009626,
                "chromosome": "2",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:46.442748",
                "ref_allele": "T",
                "alt_allele": "G",
                "cdna_change": "c.7242A>C",
                "protein_change": "p.Glu2414Asp",
                "transcript_id": "NM_000384.2",
                "dbsnp_id": "rs72653091",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI463"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/989/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/989/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/989/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/989/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "APOB"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/989/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "990",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.003,
                    "KGP_genomes_AFR_maf": 0.0106,
                    "KGP_genomes_AMR_maf": 0.0014,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.0005777,
                    "gnomad_AFR_maf": 0.007845,
                    "gnomad_AMR_maf": 0.0003763,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 1.762e-05,
                    "gnomad_OTH_maf": 0.0004905,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.004539,
                    "ESP_EA_maf": 0.0
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": -0.96718,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 21225491,
                "genomic_position_hg38": 21002619,
                "chromosome": "2",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:46.449238",
                "ref_allele": "A",
                "alt_allele": "G",
                "cdna_change": "c.12803T>C",
                "protein_change": "p.Met4268Thr",
                "transcript_id": "NM_000384.2",
                "dbsnp_id": "rs72654422",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI463"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/990/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/990/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/990/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/990/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "APOB"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/990/?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
    }
}