15256
Sequence analysis of a 1 . 5 - kb fragment of the Acsl4 promoter revealed the absence of a TATA box and the presence of many putative binding sites for transcription factors including Sp1 and CREB .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None