3465
Inhibition of membrane IL-2R alpha and IL-2R beta expression by 10(-6) M DM was partially reversible by recombinant human IL-2 ( rhIL-2 ).
 protein: IL-2R alpha; protein: recombinant human IL-2; protein: IL-2R beta; protein: rhIL-2
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: IL-2R alpha, recombinant human IL-2, IL-2R beta, rhIL-2 
Answer:
 protein: IL-2R alpha; protein: recombinant human IL-2; protein: IL-2R beta; protein: rhIL-2