| Literature DB >> 6015530 |
W Lovenberg, E Jequier, A Sjoerdsma.
Abstract
Development of a rapid and sensitive radioassay has permitted study of the conversion of tryptophan to 5-hydroxytryptophan in mammalian tissues. Of normal tissues examined, beef and rat pineal gland contained the highest activity. This is the first direct demonstration of tryptophan hydroxylase in this hydroxyindole-rich tissue. Rat and rabbit brainstem and human carcinoid tumor also had quantities of enzyme that could be measured easily. The reaction requires a reduced pteridine and oxygen and is inhibired by Para-Chorophenylalanine.Entities:
Mesh:
Substances:
Year: 1967 PMID: 6015530 DOI: 10.1126/science.155.3759.217
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728