4362
RXRalpha / RARalpha heterodimers and HNF - 4 homodimers bind to DR - 1 motifs on elements B and I4 , respectively .
 GENE: RXRalpha; GENE: RARalpha; GENE: HNF - 4 homodimers
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: RXRalpha; GENE: RARalpha; GENE: HNF - 4 homodimers