1343
All the isoforms retain the previously characterized POU-domain and are therefore able to bind to the octamer motif .
 DNA: octamer motif; protein: isoforms
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: octamer motif; protein: isoforms