Preprint Review Version 4 Preserved in Portico This version is not peer-reviewed

Intrinsic Disorder and Other Malleable Arsenals of Evolved Protein Multi-functionality

Version 1 : Received: 16 February 2024 / Approved: 19 February 2024 / Online: 19 February 2024 (10:25:40 CET)
Version 2 : Received: 19 February 2024 / Approved: 20 February 2024 / Online: 20 February 2024 (07:07:17 CET)
Version 3 : Received: 20 February 2024 / Approved: 21 February 2024 / Online: 21 February 2024 (04:14:22 CET)
Version 4 : Received: 15 March 2024 / Approved: 15 March 2024 / Online: 18 March 2024 (08:36:12 CET)

How to cite: Aftab, A.; Basu, A.; Nath, S.; Basu, S. Intrinsic Disorder and Other Malleable Arsenals of Evolved Protein Multi-functionality. Preprints 2024, 2024021029. https://doi.org/10.20944/preprints202402.1029.v4 Aftab, A.; Basu, A.; Nath, S.; Basu, S. Intrinsic Disorder and Other Malleable Arsenals of Evolved Protein Multi-functionality. Preprints 2024, 2024021029. https://doi.org/10.20944/preprints202402.1029.v4

Abstract

The evolution of human societal dynamics over the course of decades and centuries has led to an ever-increasingly complex digital modern life, one of the hallmark of which is the need for multi-tasking, inclusive of that with media. Is there an empirical mapping between this macroscopic (digital) evolution of the human societal dynamics (in terms of multi-tasking) and the microscopic evolution of the functional molecular units within cells (i.e., proteins) and their manifold cross-talks? Multi-tasking requires a certain degree of intrinsic or adapted flexibility which is as true at the bio-molecular level. Evolutionary diversification of structure-function relationship in proteins emphasizes the functional importance of intrinsically disordered entities (IDPs/IDRs) which are highly dynamic biological soft matters. Multi-functionality is favorably supported by their fluid-like shapes and other new malleable members of the protein family. The new wealth of knowledge coming from recent research on protein intrinsic disorder, fold-switching, moonlighting, hub proteins etc. has given us new insights into protein structure – functional relationship. This has led to a paradigm shift in protein science, clearly diverging from the traditional 'one structure – one function' model applicable to enzyme classes to a more complex understanding of protein functionality. This paradigm shift has caused scientists to delve deeper into the subject, exploring various evolutionary toys and tools to fit the cumulative multi-functional demands in higher organisms. This commentary covers the different evolutionary arsenals to achieve the growing multi-functionality and argues in favor of protein intrinsic disorder as probably the sharpest weapon of all.

Keywords

Protein multi-functionality; Intrinsically Disordered Proteins; Gene duplication; Domain Shuffling; Protein moonlighting

Subject

Biology and Life Sciences, Biophysics

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