1.1.1.107 - 1.1.1.107 expressed from pET21a vector in Escherichia coli BL21(DE3) 1.1.1.107 expression in Escherichia coli 1.1.1.107 overexpression in Escherichia coli strain BL21(DE3) 1.1.1.107 recombinant enzyme expressed in Escherichia coli