The occurrence of ammonia-activiating enzyme in various organisms.
D000255:Adenosine Triphosphate / Q000502:physiology*; D000641:Ammonia / Q000378:metabolism*; D004798:Enzymes / Q000032:analysis*
D004798:Enzymes; D000641:Ammonia; D000255:Adenosine Triphosphate
ADENYLPYROPHOSPHATE/physiology; AMMONIA/metabolism; ENZYMES/determination