19004
In contrast , noncompetitive inhibition by a UbcH7C86A product analog ( Ki = 7 +/- 0 . 7 mu m ) and substrate inhibition at high concentrations require two functionally distinct E2 ~ ubiquitin substrate binding sites .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None