tryptophanase

noun
tryp·​to·​pha·​nase | \ ˈtrip-tə-fə-ˌnās How to pronounce tryptophanase (audio) , trip-ˈtäf-ə- How to pronounce tryptophanase (audio) , -ˌnāz\

Medical Definition of tryptophanase

: an enzyme that catalyzes the decomposition of tryptophan into indole, pyruvic acid, and ammonia