1549
Only the native structure of phosphorylated ERK was recognized by VHR and was inactivated with a second - order rate constant of 40 , 000 M - 1 s - 1 .
 GENE: ERK; GENE: VHR
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: ERK; GENE: VHR