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Deletion mutants of the human CHOP promoter identify a region comprising nucleotides - 75 to - 104 required for both constitutive and ER - stress - inducible expression .
 GENE: human CHOP promoter
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: human CHOP promoter