4946
A selective transcriptional induction system for mammalian cells based on Gal4 - estrogen receptor fusion proteins .
 GENE: Gal4; GENE: estrogen receptor
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: Gal4; GENE: estrogen receptor