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

GET /api/combinations/OLI329/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "638",
            "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": 1.193e-05,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 0.0,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 4.619e-05,
                    "gnomad_NFE_maf": 1.758e-05,
                    "gnomad_OTH_maf": 0.0,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 3.0021,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 33039600,
                "genomic_position_hg38": 31667287,
                "chromosome": "21",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:44.253400",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": null,
                "protein_change": "p.Ala90Val",
                "transcript_id": null,
                "dbsnp_id": "rs1280042397",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 8
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI328"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI329"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI330"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI331"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI332"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI333"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI334"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI335"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/638/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/638/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/638/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/638/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "SOD1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/638/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "645",
            "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": 0.0002139,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 8.693e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.000371,
                    "gnomad_NFE_maf": 0.0003507,
                    "gnomad_OTH_maf": 0.0004934,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.0,
                    "ESP_EA_maf": 0.0001165
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 4.139184,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 4544865,
                "genomic_position_hg38": 4641570,
                "chromosome": "17",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:44.300091",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.82G>A",
                "protein_change": "p.Gly28Ser",
                "transcript_id": "NM_001140.3",
                "dbsnp_id": "rs147708465",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI329"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/645/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/645/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/645/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/645/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "ALOX15"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/645/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "646",
            "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": 0.001129,
                    "gnomad_AFR_maf": 0.0001677,
                    "gnomad_AMR_maf": 0.0001549,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.000408,
                    "gnomad_NFE_maf": 0.002433,
                    "gnomad_OTH_maf": 0.0002398,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": 0.0,
                    "ESP_EA_maf": 0.002527
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 1.34997,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 66931295,
                "genomic_position_hg38": 67711453,
                "chromosome": "X",
                "annotation_flag": "manually_attributed",
                "lastmodified": "2023-06-06T16:57:44.306699",
                "ref_allele": "C",
                "alt_allele": "A",
                "cdna_change": "c.341C>A",
                "protein_change": "p.Ala114Asp",
                "transcript_id": "NM_001011645.3",
                "dbsnp_id": "rs1800053",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI329"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/646/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/646/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/646/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/646/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "AR"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/646/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "647",
            "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": 0.001,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.000374,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 0.0,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.002633,
                    "gnomad_NFE_maf": 0.0003079,
                    "gnomad_OTH_maf": 0.0003261,
                    "gnomad_SAS_maf": 0.0,
                    "ESP_AA_maf": null,
                    "ESP_EA_maf": null
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Damaging",
                    "cadd_prediction": 3.059491,
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                "status": "CU",
                "genomic_position_hg19": 110864256,
                "genomic_position_hg38": 110211909,
                "chromosome": "13",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:44.313439",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.401C>T",
                "protein_change": "p.Pro134Leu",
                "transcript_id": "NM_001845.5",
                "dbsnp_id": "rs140517831",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI329"
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                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/647/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/647/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/647/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/647/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "COL4A1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/647/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "648",
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                "ref_allele": "C",
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                "cdna_change": "c.712C>T",
                "protein_change": "p.Arg238Cys",
                "transcript_id": "NM_153348.2",
                "dbsnp_id": "rs202064358",
                "variant_effect": "missense"
            },
            "relationships": {
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                    },
                    "data": [
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                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/648/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/648/combinations/?format=api"
                    }
                },
                "gene_name": {
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                    },
                    "data": {
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                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/648/?format=api"
            }
        },
        {
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                "ref_allele": "A",
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                "cdna_change": "c.862T>A",
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        {
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        }
    ],
    "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"
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                "Charlotte Nachtegael",
                "charlotte.nachtegael@ulb.be"
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        "api_version": "0.3",
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        "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": 8
    }
}