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We show that in transiently transfected erythroid cells , deletion of the alpha-globin G + C-rich 5' flanking region has no effect on alpha-globin promoter activity .
 DNA: alpha-globin promoter; DNA: alpha-globin G + C-rich 5' flanking region; cell line: transiently transfected erythroid cells
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: alpha-globin promoter, alpha-globin G + C-rich 5' flanking region, transiently transfected erythroid cells 
Answer:
 DNA: alpha-globin promoter; DNA: alpha-globin G + C-rich 5' flanking region; cell line: transiently transfected erythroid cells