12727
A motif presenting a strong similarity to an initiator was detected, as well as putative binding sites for Sp1 , GATA-2 , LyF-1 , ets-1 , AP1 , and MZF1 transcription factors , and two GAS motifs .
 AP1, LyF-1, MZF1, transcription factors, GAS motifs, ets-1, putative binding sites, GATA-2, Sp1
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:
 AP1, LyF-1, MZF1, transcription factors, GAS motifs, ets-1, putative binding sites, GATA-2, Sp1