653
Indeed, transient transfection of HLA-DRA and DQB reporter constructs indicated that the affected factor operates via cis-elements located between -141 base pairs and the transcription initiation site .
 ( DNA: cis-elements, None) , ( DNA: -141 base pairs, None) , ( DNA: transcription initiation site, 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: cis-elements, None) , ( DNA: -141 base pairs, None) , ( DNA: transcription initiation site, None) 