Protection of the acceptor sequence CpCpA of tRNA against adenylate (cytidylate) pyrophosphorylase action by acylation of the 2'(3') hydroxyl group of the terminal adenylic acid.
D000255:Adenosine Triphosphate; D002247:Carbon Isotopes; D004926:Escherichia coli; D007700:Kinetics; D008239:Lysine / Q000378:metabolism; D012316:RNA Nucleotidyltransferases; D012329:RNA, Bacterial / Q000378:metabolism; D012343:RNA, Transfer / Q000378:metabolism*
D002247:Carbon Isotopes; D012329:RNA, Bacterial; D000255:Adenosine Triphosphate; D012343:RNA, Transfer; D012316:RNA Nucleotidyltransferases; D008239:Lysine