23019
Using high - precision FRET we show that Klentaq1 ( the Klenow fragment of Thermus aquaticus DNA polymerase 1 ) is in equilibrium between three structurally distinct states .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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