the e. coli and yeast aminoacyl-trna synthetases specific for arginine , isoleucine , leucine , methionine , phenylalanine , and valine , as well as the e. coli glutamyl-trna synthetase , aminoacylated only those cognate trnas terminating in 3'-deoxyadenosine ( i.e. , those having a 2'-oh group ) .
C0002529
aminoacyl-trna synthetases
C0017811
glutamyl-trna synthetase