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The v-erb A protein has sustained two amino acid alterations within its DNA-binding domain relative to that of c-erb A , one of which, at serine 61 , is known to be important for v-erb A function in the neoplastic cell .
 protein: v-erb A; protein: v-erb A protein; cell type: neoplastic cell; protein: c-erb A; protein: DNA-binding domain
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; protein: v-erb A protein; cell type: neoplastic cell; protein: c-erb A; protein: DNA-binding domain