2440
Mutation of the octamer element also significantly reduced the ability of HDAC1 to confer repression of inducible HLA - DRA promoter activation .
 GENE: HDAC1; GENE: HLA - DRA 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: HDAC1; GENE: HLA - DRA promoter