<p dir="ltr">This repository contains sequence metadata, fasta files, BEAST 2 xml files, and phylogenetic trees for our aminoacyl-tRNA synthetase (AARS) analyses. </p><p dir="ltr">Main article: Enzymic recognition of amino acids drove the evolution of primordial genetic codes.</p><p dir="ltr"><b>Contents</b></p><ul><li>accessions.tsv: AARS sequence metadata</li></ul><p dir="ltr"><i>Sequence only trees:</i></p><ul><li>class1.fasta and class2.fasta: alignment of all the common elements of the Class I and II catalytic domains</li><li>class1.xml and class2.xml: BEAST 2 input files. Requires BEAST 2.7.5, with the OBAMA and BICEPS packages installed</li><li>class1.nexus and class2.nexus: maximum clade credibility trees from these XML files</li></ul><p><br></p><p dir="ltr"><i>Insertion module + sequence trees:</i></p><ul><li>class1.im.xml and class2.im.xml: BEAST 2 input files. Requires BEAST 2.7.5, with the OBAMA, BICEPS, and IndelDollo packages installed</li><li>class1.im.nexus and class2.im.nexus: maximum clade credibility trees from these XML files</li></ul>