2177
The mammalian UPR is mediated by the cis - acting ER stress response element consisting of 19 nt ( CCAATN ( 9 ) CCACG ) , the CCACG part of which is considered to provide specificity .
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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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