21272
We show a significant correlation between phosphorylation levels of AKt and of PTP1B at Ser 50 ( R ( 2 ) = 0 . 84 , P < . 05 ) .
 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