Abstract
Simultaneous depletion of phenylalanine and tyrosine by phenylalanine ammonia lyase is described in a mutual competitive inhibition model. The enzymes obtained fromSporidiobolus pararoseus andRhodosporidium toruloides were charaterized in terms of stability, optimal reaction parameters and kinetic behaviour. Both enzymes followed Michaelis-Menten kinetics with respect to the two amino acids. However, the enzyme fromRhodosporidium toruloides was inhibited by high tyrosine concentrations.
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Kawasaki Watanabe, S., Hernandez-Velazco, G., Iturbe-Chiñas, F. et al. Phenylalanine ammonia lyase fromSporidiobolus pararoseus andRhodosporidium toruloides: Application for phenylalanine and tyrosine deamination. World J Microbiol Biotechnol 8, 406–410 (1992). https://doi.org/10.1007/BF01198755
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DOI: https://doi.org/10.1007/BF01198755