4.1.1.20 - 4.1.1.20 expressed in Escherichia coli 4.1.1.20 expressed in Escherichia coli BL21(DE3) cells 4.1.1.20 expressed in Escherichia coli strain BL21 (DE3) 4.1.1.20 expression in Escherichia coli 4.1.1.20 expression in FR3T3 and other mammalian cells 4.1.1.20 gene DAPDC, location on chromosome II, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic tree, overview, functional complementation of lysine biosynthesis-defective Escherichia coli strains in minimal medium 4.1.1.20 gene DAPDC1, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic tree, overview 4.1.1.20 gene DAPDC2, localization on chromosome V, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic tree, overview 4.1.1.20 gene lysA, recombinant enzyme expression in Escherichia coli strain BL21(DE3) 4.1.1.20 gene lysA, recombinant expression of His6-tagged enzyme in Escherichia coli strain BL21(DE3) 4.1.1.20 gene lysA, sequence comparisons, recombinant expression of His6-tagged wild-type and mutant enzymes in Escherichia coli strain BL21(DE3) 4.1.1.20 overexpression in Escherichia coli 4.1.1.20 recombinant expression of His-tagged enzyme in Escherichia coli strain BL21(DE3) 4.1.1.20 recombinant expression of His-tagged wild-type and mutant enzymes in Escherichia coli strain BL21(DE3)