23897
PvPHO2 , a negative regulator of this pathway , encodes an ubiquitin E2 conjugase that promotes degradation of P - responsive proteins and is the target gene of PvmiR399 .
 Chemical: P
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: P