7345
As one of the most important " hub " proteins with at least 200 - 300 interaction partners , the 14 - 3 - 3 proteins are an especially fruitful case for PPI intervention .
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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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