11857
Cotransfection with a transdominant negative mutant of the NF-YA subunit abolishes the transcriptional activation by heme , indicating that NF-Y plays an essential role in this activation.
 transdominant negative mutant, NF-YA subunit, NF-Y, heme
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:
 transdominant negative mutant, NF-YA subunit, NF-Y, heme