Evolutionary Study of Protein Short Tandem Repeats in Protein Families

Tandem repeats in proteins are patterns of residues repeated directly adjacent to each other. The evolution of these repeats can be assessed by using groups of homologous sequences, which can help pointing to events of unit duplication or deletion. High pressure in a protein family for variation of...

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Main Authors: Pablo Mier, Miguel A. Andrade-Navarro
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/13/7/1116
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author Pablo Mier
Miguel A. Andrade-Navarro
author_facet Pablo Mier
Miguel A. Andrade-Navarro
author_sort Pablo Mier
collection DOAJ
description Tandem repeats in proteins are patterns of residues repeated directly adjacent to each other. The evolution of these repeats can be assessed by using groups of homologous sequences, which can help pointing to events of unit duplication or deletion. High pressure in a protein family for variation of a given type of repeat might point to their function. Here, we propose the analysis of protein families to calculate protein short tandem repeats (pSTRs) in each protein sequence and assess their variability within the family in terms of number of units. To facilitate this analysis, we developed the pSTR tool, a method to analyze the evolution of protein short tandem repeats in a given protein family by pairwise comparisons between evolutionarily related protein sequences. We evaluated pSTR unit number variation in protein families of 12 complete metazoan proteomes. We hypothesize that families with more dynamic ensembles of repeats could reflect particular roles of these repeats in processes that require more adaptability.
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spelling doaj.art-ab54e017a0264d1ea453123d0e3da6d02023-11-18T18:31:39ZengMDPI AGBiomolecules2218-273X2023-07-01137111610.3390/biom13071116Evolutionary Study of Protein Short Tandem Repeats in Protein FamiliesPablo Mier0Miguel A. Andrade-Navarro1Faculty of Biology, Institute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, 55128 Mainz, GermanyFaculty of Biology, Institute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, 55128 Mainz, GermanyTandem repeats in proteins are patterns of residues repeated directly adjacent to each other. The evolution of these repeats can be assessed by using groups of homologous sequences, which can help pointing to events of unit duplication or deletion. High pressure in a protein family for variation of a given type of repeat might point to their function. Here, we propose the analysis of protein families to calculate protein short tandem repeats (pSTRs) in each protein sequence and assess their variability within the family in terms of number of units. To facilitate this analysis, we developed the pSTR tool, a method to analyze the evolution of protein short tandem repeats in a given protein family by pairwise comparisons between evolutionarily related protein sequences. We evaluated pSTR unit number variation in protein families of 12 complete metazoan proteomes. We hypothesize that families with more dynamic ensembles of repeats could reflect particular roles of these repeats in processes that require more adaptability.https://www.mdpi.com/2218-273X/13/7/1116low complexity regionsrepeatsprotein sequence analysis
spellingShingle Pablo Mier
Miguel A. Andrade-Navarro
Evolutionary Study of Protein Short Tandem Repeats in Protein Families
Biomolecules
low complexity regions
repeats
protein sequence analysis
title Evolutionary Study of Protein Short Tandem Repeats in Protein Families
title_full Evolutionary Study of Protein Short Tandem Repeats in Protein Families
title_fullStr Evolutionary Study of Protein Short Tandem Repeats in Protein Families
title_full_unstemmed Evolutionary Study of Protein Short Tandem Repeats in Protein Families
title_short Evolutionary Study of Protein Short Tandem Repeats in Protein Families
title_sort evolutionary study of protein short tandem repeats in protein families
topic low complexity regions
repeats
protein sequence analysis
url https://www.mdpi.com/2218-273X/13/7/1116
work_keys_str_mv AT pablomier evolutionarystudyofproteinshorttandemrepeatsinproteinfamilies
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