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Moreover , a hybrid protein composed of a PvALF activation domain and the DNA binding and dimerization domain of ROM2 activated gene expression , indicating that ROM2 recognizes the DLEC2 enhancer in vivo ; consequently , ROM2 functions as a DNA binding site - dependent repressor .
 GENE: PvALF activation domain; GENE: ROM2; GENE: ROM2; GENE: DLEC2 enhancer; GENE: ROM2
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: PvALF activation domain; GENE: ROM2; GENE: ROM2; GENE: DLEC2 enhancer; GENE: ROM2