7208
SOCS-3 protein was detectable as early as 30 min following IL-2 stimulation , while CIS was seen only at low levels after 2 h.
 ( protein: SOCS-3, None) , ( protein: IL-2, None) , ( protein: CIS, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: SOCS-3, None) , ( protein: IL-2, None) , ( protein: CIS, None) 