11508
In addition, RFX1 can bind simultaneously, most likely as a heterodimer , with the transcription factor MIBP1 to NRE gamma .
 protein: MIBP1; protein: heterodimer; protein: transcription factor; protein: RFX1; DNA: NRE gamma
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: MIBP1, heterodimer, transcription factor, RFX1, NRE gamma 
Answer:
 protein: MIBP1; protein: heterodimer; protein: transcription factor; protein: RFX1; DNA: NRE gamma