Reaction catalyzed by L-valine-specific L-amino acid ligase (6.3.2.B16)
2
ATP
+
2
+
=
2
ADP
+
2
+
2 ATP
+
2 L-Val
+
L-Thr
=
2 ADP
+
2 phosphate
+
L-Val-L-Val-L-Thr