1.6.99.1 - 1.6.99.1 expressed in Escherichia coli BL21(DE3) cells 1.6.99.1 expression in Escherichia coli 1.6.99.1 expression in Escherichia coli BL21 1.6.99.1 expression of N-terminally His6-tagged enzyme in Escherichia coli strain BL21(DE3) 1.6.99.1 overexpression of the enzyme in Escherichia coli