11572
Freshly isolated monocytes constitutively expressed high levels of transcriptionally inactive p50 homodimer which decreased with time in culture in favor of the transcriptionally active p50/p65 and p50/RelB heterodimers .
 ( protein: transcriptionally inactive p50 homodimer, None) , ( protein: p50 homodimer, 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:
 ( protein: transcriptionally inactive p50 homodimer, None) , ( protein: p50 homodimer, None) 