Tryptophan. Ardeydorm . Ardeytropin . L-Tryptophan . L-Tryptophan-ratiopharm . Levotryptophan . Lyphan . Naturruhe . Optimax . PMS-Tryptophan . Trofan . Tryptacin . Tryptan . Tryptophan Metabolism Alterations . ratio-Tryptophan . L Tryptophan . L Tryptophan ratiopharm . PMS Tryptophan . ratio Tryptophan . An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals. . 0.54
Tryptophanase. Indole-Lyase, Tryptophan . Tryptophan Indole Lyase . Tryptophan Indole-Lyase . An enzyme that catalyzes the conversion of L-tryptophan and water to indole, pyruvate, and ammonia. It is a pyridoxal-phosphate protein, requiring K+. It also catalyzes 2,3-elimination and beta-replacement reactions of some indole-substituted tryptophan analogs of L-cysteine, L-serine, and other 3-substituted amino acids. (From Enzyme Nomenclature, 1992) EC 4.1.99.1. . 0.49