14639
G0S24 has potential sites for transcription factors in the 5' flank and intron ; these include a serum response element .
 G0S24, intron, transcription factors, serum response element, 5' flank
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:
 G0S24, intron, transcription factors, serum response element, 5' flank