Reaction catalyzed by phenylalanine-tRNA ligase (6.1.1.20)
ATP
+
+
=
AMP
+
+
3-L-tyrosyl-tRNAPhe
ATP
+
3-L-tyrosine
+
tRNAPhe
=
AMP
+
diphosphate
+
3-L-tyrosyl-tRNAPhe