7304
Moreover, the effects of rapamycin on, and the role of p70(s6k) in, IL-2 and PI 3-kinase activation of E2Fs have not been characterized.
 protein: E2Fs; protein: p70(s6k); protein: PI 3-kinase; protein: IL-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: E2Fs, p70(s6k), PI 3-kinase, IL-2 
Answer:
 protein: E2Fs; protein: p70(s6k); protein: PI 3-kinase; protein: IL-2