4502
Based on this background , we performed molecular dynamics simulation to probe the structural stability of Indian variant ( L307P ) in comparison with wild and other BChE variants ( D70G , E497V , V142M ) having differential esterase activity .
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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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