tokens: The major transcription factors controlling arginine metabolism in Escherichia coli and Bacillus subtilis , ArgR and AhrC , respectively , are homologous multimeric proteins that form l -arginine dependent DNA binding complexes capable of repressing transcription of the biosynthetic genes ( both ) , activating transcription of catabolic genes ( AhrC only ) or facilitating plasmid dimer resolution ( both ) .
folded_tokens: the major transcription factor control arginine metabolism in escherichia coli and bacillus subtilis , argr and ahrc , respectively , be homologous multimeric protein that form l -arginine dependent dna binding complex capable of repress transcription of the biosynthetic gene ( both ) , activate transcription of catabolic gene ( ahrc only ) or facilitate plasmid dimer resolution ( both ) .