9964
The promoter activity of cell cycle regulated histone H4 genes is regulated by at least four principal cis-acting elements which mediate G1/S phase control and/or enhancement of transcription during the cell cycle .
 ( DNA: cell cycle regulated histone H4 genes, None) , ( DNA: principal cis-acting elements, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: cell cycle regulated histone H4 genes, None) , ( DNA: principal cis-acting elements, None) 