7062
Further dissection of the 317 base pair region demonstrates that, whereas all 317 base pairs are required for expression in megakaryocytes , only the 5' 62 base pairs are needed for erythroid-specific reporter expression .
 DNA: 317 base pair region; DNA: 317 base pairs; DNA: 5' 62 base pairs; cell type: megakaryocytes
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: 317 base pair region, 317 base pairs, 5' 62 base pairs, megakaryocytes 
Answer:
 DNA: 317 base pair region; DNA: 317 base pairs; DNA: 5' 62 base pairs; cell type: megakaryocytes