336
The results further demonstrated the activation of S6 kinase ( pp90rsk ), evidenced by phosphorylation of S6 and serum response factor (SRF) peptides , in PWM treated B cells .
 protein: PWM; cell line: PWM treated B cells; protein: S6 kinase; protein: S6; protein: pp90rsk
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: PWM, PWM treated B cells, S6 kinase, S6, pp90rsk 
Answer:
 protein: PWM; cell line: PWM treated B cells; protein: S6 kinase; protein: S6; protein: pp90rsk