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; DNA: zebrafish Pax-b; DNA: Pax-8; DNA: Pax-2; DNA: mammalian Pax-2
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: sea urchin Pax-258 proteins, zebrafish Pax-b, Pax-8, Pax-2, mammalian Pax-2 
Answer:
 protein: sea urchin Pax-258 proteins; DNA: zebrafish Pax-b; DNA: Pax-8; DNA: Pax-2; DNA: mammalian Pax-2