Fig. 1From: Biosynthesis of melatonin from l-tryptophan by an engineered microbial cell factoryBiosynthesis of melatonin in E. coli. A Engineered pathway for the melatonin synthesis in BL7992. B The schematic representation of multi-monocistronic expression vector. mXcP4H tryptophan 5-hydroxylase, HsAADC aromatic amino acid decarboxylase, HsAANAT arylalkylamine N-acetyltransferase, HIOMT hydroxyindole-O-methyltransferaseBack to article page