Figure 3From: Metagenomic approach for the isolation of a thermostable β-galactosidase with high tolerance of galactose and glucose from soil samples of Turpan BasinEffect of pH (A) and temperature (B) on activity ( square ) and stability( circle ) of Gal308 using lactose as substrate. Data points are the average of triplicate measurements; error bars represent ±1 SD.Back to article page