888
The two bases immediately flanking the 5 ' end of the element proved to be very important to its function as a UAS element as did the two bases immediately 3 ' of the bHLH core motif .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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