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NF-E1 is also the human homologue of the mouse delta protein , which binds to ribosomal protein gene promoters .
 DNA: ribosomal protein gene promoters; DNA: mouse delta protein; protein: human homologue; protein: NF-E1
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: ribosomal protein gene promoters, mouse delta protein, human homologue, NF-E1 
Answer:
 DNA: ribosomal protein gene promoters; DNA: mouse delta protein; protein: human homologue; protein: NF-E1