14406
We conclude that the relative abundance of regulatory i2 proteins has the potential to drastically alter the local drug metabolism in the cells , particularly when i2 surpasses the protein content of i1 .
 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