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Analysis of the major histocompatibility complex class II gene promoter DRA has previously identified at least five cis-acting regions required for maximal expression.
 DNA: major histocompatibility complex class II gene promoter; protein: major histocompatibility complex class II; DNA: cis-acting regions; DNA: DRA
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: major histocompatibility complex class II gene promoter; protein: major histocompatibility complex class II; DNA: cis-acting regions; DNA: DRA