4662
The same arrangement of positively and negatively acting sequences has been conserved in the mammalian Pax-2 and Pax-8 , the zebrafish Pax-b as well as the sea urchin Pax-258 proteins .
 ( protein: sea urchin Pax-258 proteins, None) , ( DNA: zebrafish Pax-b, None) , ( DNA: Pax-8, None) , ( DNA: Pax-2, None) , ( DNA: mammalian Pax-2, 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: sea urchin Pax-258 proteins, None) , ( DNA: zebrafish Pax-b, None) , ( DNA: Pax-8, None) , ( DNA: Pax-2, None) , ( DNA: mammalian Pax-2, None) 