24849
pVHL , product of von Hippel - Lindau ( VHL ) tumor suppressor gene , functions as the substrate recognition component of an E3 - ubiquitin ligase complex that targets hypoxia inducible factor alpha ( HIFalpha ) for ubiquitination and degradation .
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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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