translate English to French: These proteins were identified as luciferase (135 kilodaltons) and luciferin-binding protein (75 kilodaltons) based on their size and their known functions in the bioluminescence reaction in vitro.
D'après leurs tailles et leurs fonctions connues dans la réaction de bioluminescence in vitro, ces protéines sont la luciférase (135 kilodaltons) et la protéine liant la luciférine (75 kilodaltons).