Tags: Enzyme.
In enzymology a glutamine-tRNA ligase (EC 6.1.1.18) is an enzyme that catalyzes the chemical reactionATP + L-glutamine + tRNAGln AMP + diphosphate + L-glutaminyl-tRNAGlnThe 3 substrates of this enzyme are ATP L-glutamine and tRNA(Gln) whereas its 3 products are AMP diphosphate and L-glutaminyl-tRNA(Gln).This enzyme belongs to the family of ligases to be specific those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds.