14785
Globin chains ( alpha , beta and gamma ) were clearly detectable by affinity chromatography in UT-7 Epo but not in UT-7 cells .
 ( protein: alpha, None) , ( protein: gamma, None) , ( protein: beta, None) , ( protein: UT-7 Epo, None) , ( protein: Globin chains, None) , ( cell line: UT-7 cells, 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: alpha, None) , ( protein: gamma, None) , ( protein: beta, None) , ( protein: UT-7 Epo, None) , ( protein: Globin chains, None) , ( cell line: UT-7 cells, None) 