12698
Using site-directed mutagenesis of human HSs 2 and 3 we have tested the hypothesis that these NF-E2 and GATA sites are common requirements for the formation of all LCR HSs .
 ( DNA: LCR HSs, 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: LCR HSs, None) 