1.1.1.287 expression in Escherichia coli 1.1.1.287 gene ARD1, DNA and amino acid sequence determination and analysis, expression in Saccharomyces cerevisiae strain 23344c, overexpression in Escherichia coli strain BL21(DE3) as N-terminally His6-tagged protein 1.1.1.287 gene ArDH, DNA and amino acid sequence determination and analysis, gene ArDH is part of an operon with several components of a sugar transporter system, subcloning in Escherichia coli strain TG-1, functional expression in Escherichia coli strain BL21(DE3) as His6-tagged enzyme