727
Electrophoretic mobility shift assays indicated that the -230 GATA-1 site has a relatively low affinity for GATA-1 .
 ( DNA: -230 GATA-1 site, None) , ( protein: GATA-1, None) , ( protein: GATA-1, 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: -230 GATA-1 site, None) , ( protein: GATA-1, None) , ( protein: GATA-1, None) 