Types and effects of protein variations.

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Abstract

Variations in proteins have very large number of diverse effects affecting sequence, structure, stability, interactions, activity, abundance and other properties. Although protein-coding exons cover just over 1 % of the human genome they harbor an disproportionately large portion of disease-causing variants. Variation ontology (VariO) has been developed for annotation and description of variation effects, mechanisms and consequences. A holistic view for variations in proteins is made available along with examples of real cases. Protein variants can be of genetic origin or emerge at protein level. Systematic names are provided for all variation types, a more detailed description can be made by explaining changes to protein function, structure and properties. Examples are provided for the effects and mechanisms, usually in relation to human diseases. In addition, the examples are selected so that protein 3D structural changes, when relevant, are included and visualized. Here, systematics is described for protein variants based on VariO. It will benefit the unequivocal description of variations and their effects and further reuse and integration of data from different sources.

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  • Medical Genetics
Original languageEnglish
Pages (from-to)405-421
JournalHuman Genetics
Volume134
Issue number4
Publication statusPublished - 2015
Publication categoryResearch
Peer-reviewedYes

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