21660
We have identified a DNase I hypersensitive site encompassing a 5 ' distal enhancer element containing a highly conserved consensus AP - 1 site involved in transcriptional activation of cPLA2 alpha by IL - 1 beta .
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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:
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