Fig. 1From: Construction of cell factory capable of efficiently converting l-tryptophan into 5-hydroxytryptamineThe effect of artificial endogenous cofactors BH4 and MH4 on 5-HTP synthesis. Experiments were conducted at 37℃, pH 7.0, and 200 rpm for 4 days. The data represent the results of assays performed in triplicate and are presented as the average and standard deviationBack to article page