1782
In addition, resting PBL constitutively expressed prominent levels of Id2 mRNA , but not Id3 mRNA .
 protein: Id3; cell type: resting PBL; RNA: Id3 mRNA; cell type: PBL; protein: Id2; RNA: Id2 mRNA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Id3; cell type: resting PBL; RNA: Id3 mRNA; cell type: PBL; protein: Id2; RNA: Id2 mRNA