The fate of any cellular RNA is largely influenced by the nature and diversity of its interactions with various RNA-binding proteins (RBPs) leading to the formation of a biologically significant ribonucleoprotein (RNP) complex. La motif-containing proteins (composed of genuine La and La-related proteins (LARPs)) represent an evolutionary conserved family of RBPs that encompass a large range of crucial functions, involving coding and non-coding RNAs. In this work, we provide data that extend our previous knowledge on the distribution, organization and evolutionary history of this important protein family. Using a repertoire of 345 La motif-containing proteins from 135 species representing all major eukaryotic lineages, we were able to pinpoint many lineage-specific variations in the structural organization of La and LARPs and propose new evolutive scenarios to explain their modern genomic distribution.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7928011 | PMC |
| http://dx.doi.org/10.1080/15476286.2020.1739930 | DOI Listing |
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