Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Production of 5-HTP from tryptophan in E. coli by engineered PAH and the utilization of tetrahydromonapterin (MH4) instead of BH4. DHMR, dihydromonapterin reductase; PAH, phenylalanine 4-hydroxylase; PCD, pterin-4α-carbinolamine dehydratase; MH2, dihydromonapterin. Modified from [88].
