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Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Gatti DL, Tzagoloff A. Structure and evolution of a group of related aminoacyl-tRNA synthetases. J. Mol. Biol. 218: 557-568, 1991. PubMed: 2016746