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Analysis of protein-coding genetic variation in 60,706 humans.

Published version
Peer-reviewed

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Authors

Lek, Monkol 
Karczewski, Konrad J 
Minikel, Eric V 
Samocha, Kaitlin E 
Banks, Eric 

Abstract

Large-scale reference data sets of human genetic variation are critical for the medical and functional interpretation of DNA sequence changes. Here we describe the aggregation and analysis of high-quality exome (protein-coding region) DNA sequence data for 60,706 individuals of diverse ancestries generated as part of the Exome Aggregation Consortium (ExAC). This catalogue of human genetic diversity contains an average of one variant every eight bases of the exome, and provides direct evidence for the presence of widespread mutational recurrence. We have used this catalogue to calculate objective metrics of pathogenicity for sequence variants, and to identify genes subject to strong selection against various classes of mutation; identifying 3,230 genes with near-complete depletion of predicted protein-truncating variants, with 72% of these genes having no currently established human disease phenotype. Finally, we demonstrate that these data can be used for the efficient filtering of candidate disease-causing variants, and for the discovery of human 'knockout' variants in protein-coding genes.

Description

Keywords

DNA Mutational Analysis, Datasets as Topic, Exome, Genetic Variation, Humans, Phenotype, Proteome, Rare Diseases, Sample Size

Journal Title

Nature

Conference Name

Journal ISSN

0028-0836
1476-4687

Volume Title

536

Publisher

Springer Science and Business Media LLC
Sponsorship
Medical Research Council (MR/P02811X/1)
European Commission and European Federation of Pharmaceutical Industries and Associations (EFPIA) FP7 Innovative Medicines Initiative (IMI) (116074)
Cambridge University Hospitals NHS Foundation Trust (CUH) (BRC)
British Heart Foundation (CH/12/2/29428)
Medical Research Council (MR/P013880/1)
Ume� University (unknown)
NHS Blood and Transplant (NHSBT) (WP12-01)
European Commission (279143)
NHS Blood and Transplant (NHSBT) (11-01-GEN)
Cambridge University Hospitals NHS Foundation Trust (CUH) (BRC 2012-2017)
British Heart Foundation (None)
Medical Research Council (MR/L003120/1)
European Commission (279233)
European Research Council (268834)
MRC (MR/J015709/1)
MRC (MR/J006602/1)
MRC (MR/J006599/1)
Medical Research Council (MR/M012816/1)
Cambridge University Hospitals NHS Foundation Trust (CUH) (146281)
Cambridge University Hospitals NHS Foundation Trust (CUH) (146281)
British Heart Foundation (RG/16/4/32218)
Cambridge University Hospitals NHS Foundation Trust (CUH) (3819-1617-25)
Department of Health (via National Institute for Health Research (NIHR)) (NIHR BTRU-2014-10024)
Cambridge University Hospitals NHS Foundation Trust (CUH) (3819-1516-29)
Cambridge University Hospitals NHS Foundation Trust (CUH) (unknown)
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