29060
We found that in vitro rapamycin also regulates the proteasome , an essential intracellular protease of the ubiquitin - proteasome pathway .
 Chemical: rapamycin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: rapamycin