Abstract
Catalyzed by phenylalanine ammonia-lyase from Rhodotorula glutinis, 2% trans-cinnamic acid and 0.5 mol/l (15NH4)2SO4 was bioconverted to 15NL-phenylalanine. The yield and the purity of 15NL-phenylalanine reached 71 and 99.3%, respectively. The results showed that 96% of 15N was labeled on the l-phenylalanine and 88% of (15NH4)2SO4 was recovered. The present paper provides a new and economic way for biosynthesis of 15NL-phenylalanine.
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Acknowledgments
This research has been supported financially by Natural Science Foundation of China (NSFC) (No.20576010). In addition, the authors are grateful for Shanghai Research Institute of Chemical Industry for providing (15NH4)2SO4 and analyses of products.
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The first two authors contributed to the work equally.
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Wang, W., Yue, H., Yuan, Q. et al. Biosynthesis of 15NL-phenylalanine by phenylalanine ammonia-lyase from Rhodotorula glutinis . Amino Acids 36, 231–233 (2009). https://doi.org/10.1007/s00726-008-0056-3
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DOI: https://doi.org/10.1007/s00726-008-0056-3