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The function of the zeta-globin promoter was studied using a series of zeta-globin promoter deletion constructs to drive luciferase expression in transiently transfected human erythroleukemia cells .
 DNA: zeta-globin promoter; cell line: transiently transfected human erythroleukemia cells; DNA: zeta-globin promoter; protein: luciferase; DNA: zeta-globin promoter deletion constructs
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: zeta-globin promoter, transiently transfected human erythroleukemia cells, zeta-globin promoter, luciferase, zeta-globin promoter deletion constructs 
Answer:
 DNA: zeta-globin promoter; cell line: transiently transfected human erythroleukemia cells; DNA: zeta-globin promoter; protein: luciferase; DNA: zeta-globin promoter deletion constructs