3874
alpha in the first NH2-terminal 29 residues and contains an additional region of 142 residues at the COOH terminus .
 ( protein: 142 residues, None) , ( protein: NH2-terminal 29 residues, None) , ( protein: COOH terminus, 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: 142 residues, None) , ( protein: NH2-terminal 29 residues, None) , ( protein: COOH terminus, None) 