tokens: A 20-base pair oligonucleotide containing this nonamer confers up-regulation by hypoxia and inhibition by unsaturated fatty acids when placed upstream of a heterologous promoter in a lacZ reporter construct .
folded_tokens: a 20-base pair oligonucleotide contain this nonamer confer up-regulation by hypoxium and inhibition by unsaturated fatty acid when place upstream of a heterologous promoter in a lacz reporter construct .