1374
Nuclear transcription assays confirmed that cys - 3 + was under sulfur - regulated transcriptional control and that cys - 3 + transcription was constitutive in sulfur controller ( scon ) - negative regulator mutants .
 GENE: cys - 3 +; GENE: cys - 3 +; GENE: sulfur controller; GENE: scon
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: cys - 3 +; GENE: cys - 3 +; GENE: sulfur controller; GENE: scon