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The v-erb A oncogene of avian erythroblastosis virus is a mutated and virally transduced copy of a host cell gene encoding a thyroid hormone receptor .
 protein: thyroid hormone receptor; DNA: v-erb A oncogene; DNA: host cell gene
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: thyroid hormone receptor; DNA: v-erb A oncogene; DNA: host cell gene