1568
DNA binding by in vitro synthesized GR was blocked by the addition of sodium molybdate to the receptor preparations before steroid addition and thermal activation .
 protein: in vitro synthesized GR
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: in vitro synthesized GR