2591
Oligonucleotide mutagenesis of these binding domains indicated their importance in the transcriptional regulation of the E3 promoter in yeast cells .
 GENE: E3 promoter
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: E3 promoter 
Answer:
 GENE: E3 promoter