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A contiguous and sequentially occupied secondary Fur - binding site in entC was protected at higher Fur concentrations , extending the protected region to + 49 , and sequestering the putative Shine - Dalgarno sequence .
 GENE: Fur - binding site; GENE: entC; GENE: Fur
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: Fur - binding site; GENE: entC; GENE: Fur