7999
PHF6 directly interacts with upstream binding factor ( UBF ) through its PHD1 domain and suppresses ribosomal RNA ( rRNA ) transcription by affecting the protein level of UBF .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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