نتایج جستجو برای: pyruvates
تعداد نتایج: 6535 فیلتر نتایج به سال:
Several p replacement and cu,p elimination reactions catalyzed by tryptophanase from Escherichia coli are shown to proceed stereospecifically with retention of configuration. These conversions include synthesis of tryptophan from (2S,3R)and (2S,3S)-[3-3H]serine in the presence of indole, deamination of these serines in DzO to pyruvate and ammonia, and cleavage of (2S,3R)and (2S,3S)-[3-3H]trypto...
The direct oxidative dehydrogenation of lactates with molecular oxygen is a "greener" alternative for producing pyruvates. Here we report a one-pot synthesis of mesoporous vanadia-titania (VTN), acting as highly efficient and recyclable catalysts for the conversion of ethyl lactate to ethyl pyruvate. These VTN materials feature high surface areas, large pore volumes, and high densities of isola...
Lactate dehydrogenase (LDH; EC 1.1.1.27) catalyzes the addition of pyruvate to the four position of the nicotinamide ring of bound NAD+; this NAD-pyruvate adduct is bound tightly to the enzyme. We have used the adduct as a model for pyruvate in a competent ternary complex by comparing the Raman spectrum of the bound adduct with that for unliganded pyruvate. To understand the observed normal mod...
The complete solution to the kinetic equation for nucleotide fluorescence quenching on addition of pyruvate to the late dehydrogenase-NADH complex modifies previous interpretations of such experiments.
2 Introduction 2 Pyruvate formation and metabolisman overview 3 Pyruvate: intracellular antioxidant 5 Oxidative decarboxylation of pyruvate 7 Pyruvate as therapeutic agent 8 Pyruvate detection 9 Summary 9 References 10
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