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Conversely , when PKA is inhibited , dephosphorylation of the switch leads to the replenishment of PI ( 4 , 5 ) P ( 2 ) .
 Chemical: PI ( 4 , 5 ) P ( 2 )
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: PI ( 4 , 5 ) P ( 2 )