330
This mutation impairs the promoter activity in erythroid cells by disrupting a binding site for the GATA1 erythroid transcription factor .
 ( cell type: erythroid cells, None) , ( DNA: binding site, None) , ( protein: GATA1 erythroid transcription factor, 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:
 ( cell type: erythroid cells, None) , ( DNA: binding site, None) , ( protein: GATA1 erythroid transcription factor, None) 