13653
Structural analysis demonstrated that the mouse CPO gene spans approximately 11 kb and consists of seven exons , just like its human counterpart.
 ( DNA: seven exons, None) , ( protein: CPO, None) , ( DNA: mouse CPO gene, 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:
 ( DNA: seven exons, None) , ( protein: CPO, None) , ( DNA: mouse CPO gene, None) 