1435
Here we localize a transferable 40 - amino acid region within the LBDs of RXR , RAR , TR , and chicken ovalbumin upstream promoter transcription factor that is critical for determining identity in the heterodimeric interaction and for high - affinity DNA binding .
 GENE: LBDs; GENE: RXR; GENE: RAR; GENE: TR; GENE: chicken ovalbumin upstream promoter transcription 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: LBDs; GENE: RXR; GENE: RAR; GENE: TR; GENE: chicken ovalbumin upstream promoter transcription factor