12006
Northern analyses showed similar levels of two elf-2 transcripts (3.5 kb and 3.8 kb) in all tissues except thymus.
 ( protein: elf-2, None) , ( RNA: elf-2 transcripts, 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: elf-2, None) , ( RNA: elf-2 transcripts, None) 