1.7.3.1 - 655799, 696325, 697505 1.7.3.1 expressed in Escherichia coli 672064 1.7.3.1 expressed in Escherichia coli BL21(DE3) cells 711248, 764069 1.7.3.1 expression in Escherichia coli 639234, 723882 1.7.3.1 expression in Escherichia coli strains BL21(DE3) and methionine auxotroph B834(DE3) 654106 1.7.3.1 expression of wild-type and mutant enzymes 655786 1.7.3.1 recombinant expression of wild-type and mutant D402E enzymes 654710