negative regulation of aminoacyl-tRNA ligase activity
Known as: down-regulation of aminoacyl-tRNA ligase activity, downregulation of aminoacyl-tRNA synthetase activity, down regulation of aminoacyl-tRNA ligase activity
Any process that stops, prevents or reduces the frequency, rate or extent of aminoacyl-tRNA ligase activity. [GO_REF:0000059, GOC:TermGenie, PMID…