6850
Induction of cytochrome P-4501A1 ( CYP1A1 ) activity by UV has been observed earlier in animal studies via a mechanism that has not yet been resolved.
 ( protein: cytochrome P-4501A1, None) , ( protein: CYP1A1, 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: cytochrome P-4501A1, None) , ( protein: CYP1A1, None) 