13509
Testing their activity in transgenic mice shows that EKLF is a direct activator of 5'HS3 .
 DNA: 5'HS3; protein: EKLF
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: 5'HS3, EKLF 
Answer:
 DNA: 5'HS3; protein: EKLF