Phenylalanine ammonia lyase - Open Access .click

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[72b] l-phenylalanine ammonia-lyase (Ustilago bordei)

1970
Publisher Summary This chapter describes the assay, purification, and properties of L-phenylalanine ammonia-lyase. The enzyme may be assayed by measuring the appearance of trans-cinnamic acid in two ways—namely, by measuring the optical density at 268 m μ or by determining the radioactivity.
P.V. Subba Rao, G.H.N. Towers
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Methylidene-Imidazolone (MIO) from histidine and phenylalanine ammonia-lyase

2001
Publisher Summary This chapter discusses the history, discovery, structure, reactivity, and catalytic role of the Methylidene-Imidazolone (MIO) group in two ammonia-lyase reactions. Enzymes, however, take advantage also of electrophilic catalysis. In addition to the use of protons as electrophile, they often use cofactors, such as pyridoxal phosphate,
B, Langer, M, Langer, J, Rétey
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l-Phenylalanine ammonia-lyase

Archives of Biochemistry and Biophysics, 1970
Kenneth R. Hanson, Evelyn A. Havir
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Recombinant phenylalanine ammonia lyase in phenylketonuria