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A 17-bp sequence between positions -51 and -35 conferred IFN-gamma responsiveness on a heterologous promoter .
 DNA: 17-bp sequence; protein: IFN-gamma; DNA: heterologous promoter
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: 17-bp sequence, IFN-gamma, heterologous promoter 
Answer:
 DNA: 17-bp sequence; protein: IFN-gamma; DNA: heterologous promoter