2357
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 .
 GENE: ctr4 ( + ) copper transporter gene; GENE: transcription factor Cuf1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: ctr4 ( + ) copper transporter gene; GENE: transcription factor Cuf1