13503
Altered DNA-binding specificity mutants of EKLF and Sp1 show that EKLF is an activator of the beta-globin locus control region in vivo.
 EKLF, EKLF, Altered DNA-binding specificity mutants, beta-globin locus control region
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 EKLF, EKLF, Altered DNA-binding specificity mutants, beta-globin locus control region