Fig. 6From: Characterization of three glutamate decarboxylases from Bacillus spp. for efficient γ-aminobutyric acid productionThe optimum cell (a) and PLP (b) concentration for GABA production by E. coli BL21 (DE3)/GADZ11 in presence of l-Glu. The black line represents the yield of GABA and the red line indicates the conversion rateBack to article page