. "Catalysis of the reaction: tRNA(Pyl) + L-lysine + ATP = L-lysyl-tRNA(Pyl) + diphosphate + AMP." . . "lysine-tRNA(Pyl) ligase activity" . "L-lysine:tRNAPyl ligase (AMP-forming)" . "lysine-tRNAPyl ligase activity" . . .