The activation of the inducible enzyme, rat-liver tryptophan pyrrolase.
D004790:Enzyme Induction; D008099:Liver / Q000378:metabolism*; D010088:Oxidoreductases / Q000737:chemistry*; D014366:Tryptophan Oxygenase
D010088:Oxidoreductases; D014366:Tryptophan Oxygenase
LIVER/metabolism; OXIDASES/chemistry