Goldtzvik, Yonathan;
Sen, Neeladri;
Lam, Su Datt;
Orengo, Christine;
(2023)
Protein diversification through post-translational modifications, alternative splicing, and gene duplication.
Current Opinion in Structural Biology
, 81
, Article 102640. 10.1016/j.sbi.2023.102640.
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Abstract
Proteins provide the basis for cellular function. Having multiple versions of the same protein within a single organism provides a way of regulating its activity or developing novel functions. Post-translational modifications of proteins, by means of adding/removing chemical groups to amino acids, allow for a well-regulated and controlled way of generating functionally distinct protein species. Alternative splicing is another method with which organisms possibly generate new isoforms. Additionally, gene duplication events throughout evolution generate multiple paralogs of the same genes, resulting in multiple versions of the same protein within an organism. In this review, we discuss recent advancements in the study of these three methods of protein diversification and provide illustrative examples of how they affect protein structure and function.
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