synthetase

noun

Etymology: Etymology tree English synthesis Proto-Indo-European *dwóh₁ Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δῐᾰ- (dĭă-) Proto-Indo-European *steh₂- Proto-Indo-European *stísteh₂ti Proto-Hellenic *hístāmi Ancient Greek ῐ̔́στημῐ (hĭ́stēmĭ) Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ) Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs) English diastase English -ase English synthetase From synthesis + -ase.

1. Any enzyme that catalyzes the synthesis of a biological compound.
2. Such an enzyme that, more specifically, uses ATP as a source of energy.