776
Functional interaction between the two zinc finger domains of the v-erb A oncoprotein .
 protein: v-erb A oncoprotein; protein: zinc finger domains
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:
 protein: v-erb A oncoprotein; protein: zinc finger domains