1047
Staphylococcal enterotoxins modulate interleukin 2 receptor expression and ligand-induced tyrosine phosphorylation of the Janus protein- tyrosine kinase 3 ( Jak3 ) and signal transducers and activators of transcription ( Stat proteins ).
 protein: Jak3; protein: Janus protein- tyrosine kinase 3; protein: signal transducers and activators of transcription; protein: Stat proteins; protein: interleukin 2 receptor; protein: Staphylococcal enterotoxins
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Jak3; protein: Janus protein- tyrosine kinase 3; protein: signal transducers and activators of transcription; protein: Stat proteins; protein: interleukin 2 receptor; protein: Staphylococcal enterotoxins