Protein: Threonylcarbamoyl-AMP synthase (TC-AMP synthase) (EC 2.7.7.87) (L-threonylcarbamoyladenylate synthase) (Suppressor of upstream AUG protein 5) (t(6)A37 threonylcarbamoyladenosine biosynthesis protein SUA5) (tRNA threonylcarbamoyladenosine biosynthesis protein SUA5)