17054
Unexpectedly , a mispaired primer terminus accesses the exo site more frequently when dNTP substrates are also present in solution , which is expected to enhance proofreading .
 Chemical: dNTP
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: dNTP