tokens: Analysis of regulatory regions in the promoter of the ctr4 ( + ) copper transporter gene in fission yeast Schizosaccharomyces pombe reveals the identity of a conserved copper signaling element ( CuSE ) , which is recognized by the transcription factor Cuf1 .
folded_tokens: analysis of regulatory region in the promoter of the ctr4 ( + ) copper transporter gene in fission yeast schizosaccharomyces pombe reveal the identity of a conserve copper signaling element ( cuse ) , which be recognize by the transcription factor cuf1 .