237483
Vif hijacks the cellular Cullin5 E3 ubiquitin ligase , which is composed of ElonginB , ElonginC , Cullin5 , and Rbx2 , ( Crystal Structure of the HIV Vif BC-box in Complex with Human ElonginB and ElonginC is solved and shown here ) in order to target APOBEC3G for degradation .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None