12531
Since the protein has a homeodomain and can activate transcription , it probably exerts at least some of its effects in vivo by regulation of target genes .
 target genes, homeodomain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 target genes, homeodomain