Reaction catalyzed by glutaminyl-tRNA synthase (glutamine-hydrolysing) (6.3.5.7)

	5-phosphooxy-L-glutamyl-tRNAGln	+		NH3	=			+
	5-phosphooxy-L-glutamyl-tRNAGln	+		NH3	=		L-glutaminyl-tRNAGln	+		phosphate