1318
One of the Drosophila sequences , ttk , is a developmental control gene , while a second does not contain a zinc finger region but encodes a structure important in oocyte development .
 ( DNA: Drosophila sequences, None) , ( DNA: developmental control gene, None) , ( DNA: ttk, None) , ( protein: zinc finger region, 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: Drosophila sequences, None) , ( DNA: developmental control gene, None) , ( DNA: ttk, None) , ( protein: zinc finger region, None) 