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glycine--tRNA ligase subunit alpha
glycine--tRNA ligase subunit alpha is part of the enzyme complex that catalyzes the attachment of glycine to tRNA(Gly)
Glycine--tRNA ligase alpha chain; GlyRS; class II aminoacyl tRNA synthetase; tetramer of alpha(2)beta(2); catalyzes a two-step reaction; first charging a glycine molecule by linking its carboxyl group to the alpha-phosphate of ATP; second by transfer of the aminoacyl-adenylate to its tRNA
This tetrameric form of glycyl-tRNA synthetase (2 alpha, 2 beta) is found in the majority of completed eubacterial genomes, with the two genes fused in a few species. A substantially different homodimeric form (not recognized by this model) replaces this form in the Archaea, animals, yeasts, and some eubacteria.
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