16988
When the enzyme encounters uracil , following three parameters change : DNA binding increases roughly 2 - fold , the rate of polymerization slows by a factor of ~ 5 and 3 ' - 5 ' proof - reading exonuclease activity is stimulated by a factor of ~ 2 .
 Chemical: uracil
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: uracil