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In previous studies , we showed that the nuclear import of SREBP - 2 occurs via the direct interaction of importin beta with the HLH - Zip domain .
 GENE: SREBP - 2; GENE: importin beta
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: SREBP - 2; GENE: importin beta