10943
We report here a general method that circumvents this limitation by utilizing orthogonal aminoacyl - tRNA synthetase ( aaRS ) / suppressor tRNA ( CUA ) pairs to genetically encode UAAs in Xenopus oocytes .
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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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