The N49-N65 base-pair could play an important role in adaptation between tRNAs and aminoacyl-tRNA synthetases.
D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D004926:Escherichia coli; D006860:Hydrogen Bonding; D010944:Plants; D012343:RNA, Transfer / Q000378:metabolism*; D013329:Structure-Activity Relationship; D046249:Transfer RNA Aminoacylation
D012343:RNA, Transfer; D000604:Amino Acyl-tRNA Synthetases