5618
In humans, there are two highly homologous genes encoding SCM-1alpha and SCM-1beta .
 ( protein: SCM-1beta, None) , ( DNA: homologous genes, None) , ( protein: SCM-1alpha, 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: SCM-1beta, None) , ( DNA: homologous genes, None) , ( protein: SCM-1alpha, None) 