1033
The results suggest that proenzyme processing is not essential for secretion of PC2 , but peptides containing mutations that affect the ability of the propeptide ( and cleavage sites ) to fold within the catalytic pocket are not transferred beyond the early stages of the secretory pathway .
 GENE: PC2
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: PC2