551
The isomerization of the pre - existing closed complex to an open promoter form , as judged by the local denaturation of promoter DNA which rendered sequences from + 5 to - 10 reactive towards KMnO4 , was shown to be fully dependent on NifA .
 GENE: NifA
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: NifA