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

GET /api/combinations/OLI967/variants/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "693",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0004,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.002,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.001432,
                    "gnomad_AFR_maf": 0.0,
                    "gnomad_AMR_maf": 8.674e-05,
                    "gnomad_ASJ_maf": 0.0,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.01146,
                    "gnomad_NFE_maf": 0.0007296,
                    "gnomad_OTH_maf": 0.001304,
                    "gnomad_SAS_maf": 0.0005879,
                    "ESP_AA_maf": 0.0,
                    "ESP_EA_maf": 0.000814
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": 0.508335,
                    "mutationtaster_prediction": "Disease causing"
                },
                "status": "CU",
                "genomic_position_hg19": 33039603,
                "genomic_position_hg38": 31667290,
                "chromosome": "21",
                "annotation_flag": "automatically_attributed",
                "lastmodified": "2023-06-06T16:57:44.616879",
                "ref_allele": "A",
                "alt_allele": "C",
                "cdna_change": "c.272A>C",
                "protein_change": "p.Asp91Ala",
                "transcript_id": "NM_000454.4",
                "dbsnp_id": "rs80265967",
                "variant_effect": "missense"
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 9
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI335"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI777"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI964"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI965"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI966"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI968"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI969"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI970"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/693/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/693/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/693/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/693/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "SOD1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/693/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2090",
            "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": 0.214709,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 220116509,
                "genomic_position_hg38": 219251787,
                "chromosome": "2",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.150608",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": "c.227-74C>T",
                "protein_change": null,
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 2
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI968"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2090/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2090/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2090/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2090/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "TUBA4A"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2090/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2091",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.0018,
                    "KGP_genomes_AFR_maf": 0.0,
                    "KGP_genomes_AMR_maf": 0.0072,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.004,
                    "KGP_genomes_SAS_maf": 0.0,
                    "gnomad_maf": 0.001402,
                    "gnomad_AFR_maf": 0.0001242,
                    "gnomad_AMR_maf": 0.001793,
                    "gnomad_ASJ_maf": 0.009627,
                    "gnomad_EAS_maf": 0.0,
                    "gnomad_FIN_maf": 0.0,
                    "gnomad_NFE_maf": 0.001479,
                    "gnomad_OTH_maf": 0.002624,
                    "gnomad_SAS_maf": 0.0002287,
                    "ESP_AA_maf": 0.0006824,
                    "ESP_EA_maf": 0.00221
                },
                "predictions": {
                    "sift_prediction": "Deleterious",
                    "pp2_hvar_prediction": "Possibly Damaging",
                    "cadd_prediction": 3.700847,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 44856827,
                "genomic_position_hg38": 44564629,
                "chromosome": "15",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.156977",
                "ref_allele": "G",
                "alt_allele": "A",
                "cdna_change": null,
                "protein_change": "p.Leu2357Phe",
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2091/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2091/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2091/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2091/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "SPG11"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2091/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2086",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": null,
                    "KGP_genomes_AFR_maf": 0.7526,
                    "KGP_genomes_AMR_maf": 0.4986,
                    "KGP_genomes_EAS_maf": 0.6657,
                    "KGP_genomes_EUR_maf": 0.2903,
                    "KGP_genomes_SAS_maf": 0.4243,
                    "gnomad_maf": 0.3784,
                    "gnomad_AFR_maf": 0.6788,
                    "gnomad_AMR_maf": 0.4952,
                    "gnomad_ASJ_maf": 0.3073,
                    "gnomad_EAS_maf": 0.6594,
                    "gnomad_FIN_maf": 0.2769,
                    "gnomad_NFE_maf": 0.2814,
                    "gnomad_OTH_maf": 0.3353,
                    "gnomad_SAS_maf": 0.3824,
                    "ESP_AA_maf": 0.6605,
                    "ESP_EA_maf": 0.285
                },
                "predictions": {
                    "sift_prediction": "Tolerated",
                    "pp2_hvar_prediction": "Benign",
                    "cadd_prediction": -0.073767,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 94937446,
                "genomic_position_hg38": 95308134,
                "chromosome": "7",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.125586",
                "ref_allele": "T",
                "alt_allele": "C",
                "cdna_change": "c.575A>G",
                "protein_change": "p.Gln192Arg",
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 4
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI965"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI969"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI970"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2086/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2086/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2086/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2086/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "PON1"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2086/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2087",
            "attributes": {
                "frequencies": {
                    "KGP_genomes_maf": 0.4245,
                    "KGP_genomes_AFR_maf": 0.7345,
                    "KGP_genomes_AMR_maf": 0.2421,
                    "KGP_genomes_EAS_maf": 0.38,
                    "KGP_genomes_EUR_maf": 0.3012,
                    "KGP_genomes_SAS_maf": 0.3078,
                    "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": 0.421735,
                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
                "genomic_position_hg19": 42430244,
                "genomic_position_hg38": 44352876,
                "chromosome": "17",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.131716",
                "ref_allele": "C",
                "alt_allele": "T",
                "cdna_change": "c.*78C>T",
                "protein_change": null,
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 5
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI965"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI966"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI968"
                        },
                        {
                            "type": "Combination",
                            "id": "OLI969"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2087/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2087/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2087/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2087/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "GRN"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2087/?format=api"
            }
        },
        {
            "type": "SmallVariant",
            "id": "2092",
            "attributes": {
                "frequencies": {
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                    "KGP_genomes_AFR_maf": 0.0008,
                    "KGP_genomes_AMR_maf": 0.0086,
                    "KGP_genomes_EAS_maf": 0.0,
                    "KGP_genomes_EUR_maf": 0.0119,
                    "KGP_genomes_SAS_maf": 0.0051,
                    "gnomad_maf": 0.008981,
                    "gnomad_AFR_maf": 0.002326,
                    "gnomad_AMR_maf": 0.006741,
                    "gnomad_ASJ_maf": 0.02732,
                    "gnomad_EAS_maf": 9.498e-05,
                    "gnomad_FIN_maf": 0.00167,
                    "gnomad_NFE_maf": 0.01092,
                    "gnomad_OTH_maf": 0.01012,
                    "gnomad_SAS_maf": 0.007514,
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                    "ESP_EA_maf": null
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                    "pp2_hvar_prediction": null,
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                    "mutationtaster_prediction": "Polymorphism"
                },
                "status": "CU",
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                "genomic_position_hg38": 58444988,
                "chromosome": "20",
                "annotation_flag": null,
                "lastmodified": "2023-06-06T16:57:53.163179",
                "ref_allele": "C",
                "alt_allele": "G",
                "cdna_change": "c.*753C>G",
                "protein_change": null,
                "transcript_id": null,
                "dbsnp_id": "NA",
                "variant_effect": null
            },
            "relationships": {
                "in_combination": {
                    "meta": {
                        "count": 1
                    },
                    "data": [
                        {
                            "type": "Combination",
                            "id": "OLI967"
                        }
                    ],
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2092/relationships/in_combination?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2092/combinations/?format=api"
                    }
                },
                "gene_name": {
                    "links": {
                        "self": "https://olida.ibsquare.be/api/variants/2092/relationships/gene_name?format=api",
                        "related": "https://olida.ibsquare.be/api/variants/2092/gene/?format=api"
                    },
                    "data": {
                        "type": "Gene",
                        "id": "VAPB"
                    }
                }
            },
            "links": {
                "self": "https://olida.ibsquare.be/api/variants/2092/?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": 6
    }
}