14707
One, located at -50, binds members of the CCACC/Sp1 family and the other, located at -20, binds the erythroid factor GATA-1 .
 CCACC/Sp1 family, erythroid factor GATA-1
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:
 CCACC/Sp1 family, erythroid factor GATA-1