8911
The physico-chemical and functional parameters of the low molecular nuclear proteins ( SP and BP- 14 , 18 , 19 kDs ) isolated from splenic and brain cells of immunized rats were studied.
 ( protein: SP, None) , ( protein: low molecular nuclear proteins, 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: SP, None) , ( protein: low molecular nuclear proteins, None) 