8181
Retinoid X receptor ( RXR ) agonist-induced activation of dominant-negative RXR -retinoic acid receptor alpha403 heterodimers is developmentally regulated during myeloid differentiation .
 protein: RXR; protein: Retinoid X receptor; protein: RXR
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: RXR, Retinoid X receptor, RXR 
Answer:
 protein: RXR; protein: Retinoid X receptor; protein: RXR