10820
Thus, BOB.1/OBF.1 is a transcriptional coactivator that is critically regulated by posttranslational modifications to mediate cell type-specific gene expression .
 protein: transcriptional coactivator; protein: BOB.1/OBF.1
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: transcriptional coactivator, BOB.1/OBF.1 
Answer:
 protein: transcriptional coactivator; protein: BOB.1/OBF.1