1528
The different holoenzyme RNA polymerases generated upon reconstituting these mutants independently with core RNA polymerase ( alpha2beta beta ' ) have shown reduced transcriptional activity in comparison to the enzyme containing wild - type sigma factor .
 GENE: holoenzyme RNA polymerases; GENE: core RNA polymerase; GENE: alpha2beta beta '; GENE: wild - type sigma factor
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: holoenzyme RNA polymerases; GENE: core RNA polymerase; GENE: alpha2beta beta '; GENE: wild - type sigma factor