7349
In addition, we identified a novel E2F -like sequence in human MCM6 promoter which cooperates with the authentic E2F sites in E2F -dependent regulation .
 DNA: human MCM6 promoter; protein: E2F; protein: E2F; protein: E2F; DNA: E2F sites; DNA: E2F -like sequence
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: human MCM6 promoter, E2F, E2F, E2F, E2F sites, E2F -like sequence 
Answer:
 DNA: human MCM6 promoter; protein: E2F; protein: E2F; protein: E2F; DNA: E2F sites; DNA: E2F -like sequence