8736
Regulation of GR binding by FKBP51 represents a previously unrecognized mechanism for regulating glucocorticoid sensitivity .
 protein: FKBP51
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: FKBP51 
Answer:
 protein: FKBP51