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Cook, Paul

One or more keywords matched the following items that are connected to Cook, Paul

Item Type	Name
Concept	Spectrophotometry
Concept	Spectrophotometry, Ultraviolet
Academic Article	Time-resolved fluorescence of O-acetylserine sulfhydrylase.
Academic Article	Structure, mechanism, and conformational dynamics of O-acetylserine sulfhydrylase from Salmonella typhimurium: comparison of A and B isozymes.
Academic Article	Effect of mutation of lysine-120, located at the entry to the active site of O-acetylserine sulfhydrylase-A from Salmonella typhimurium.
Academic Article	Role of Histidine-152 in cofactor orientation in the PLP-dependent O-acetylserine sulfhydrylase reaction.
Academic Article	The multifaceted pyridoxal 5'-phosphate-dependent O-acetylserine sulfhydrylase.
Academic Article	pH dependence of the absorbance and 31P NMR spectra of O-acetylserine sulfhydrylase in the absence and presence of O-acetyl-L-serine.
Academic Article	Kinetic isotope effects as a probe of the beta-elimination reaction catalyzed by O-acetylserine sulfhydrylase.
Academic Article	Formation of the alpha-aminoacrylate immediate limits the overall reaction catalyzed by O-acetylserine sulfhydrylase.
Academic Article	Initial velocity, spectral, and pH studies of the serine-glyoxylate aminotransferase from Hyphomicrobiuim methylovorum.
Academic Article	Characterization of the allosteric anion-binding site of O-acetylserine sulfhydrylase.
Academic Article	A catalytic triad is responsible for acid-base chemistry in the Ascaris suum NAD-malic enzyme.
Academic Article	Carbohydrate substrate specificity of bacterial and plant pyrophosphate-dependent phosphofructokinases.
Academic Article	Purification and characterization of dihydropyrimidine dehydrogenase from Alcaligenes eutrophus.
Academic Article	Substitution of pyridoxal 5'-phosphate in the O-acetylserine sulfhydrylase from Salmonella typhimurium by cofactor analogs provides a test of the mechanism proposed for formation of the alpha-aminoacrylate intermediate.
Academic Article	A change in the internal aldimine lysine (K42) in O-acetylserine sulfhydrylase to alanine indicates its importance in transimination and as a general base catalyst.
Academic Article	Cysteine 42 is important for maintaining an integral active site for O-acetylserine sulfhydrylase resulting in the stabilization of the alpha-aminoacrylate intermediate.
Academic Article	Stabilization and characterization of histidine-tagged homocitrate synthase from Saccharomyces cerevisiae.
Academic Article	Characterization of the S272A,D site-directed mutations of O-acetylserine sulfhydrylase: involvement of the pyridine ring in the alpha,beta-elimination reaction.
Academic Article	A reaction mechanism from steady state kinetic studies for O-acetylserine sulfhydrylase from Salmonella typhimurium LT-2.
Academic Article	Resolution of pyridoxal 5'-phosphate from O-acetylserine sulfhydrylase from Salmonella typhimurium and reconstitution of apoenzyme with cofactor and cofactor analogues as a probe of the cofactor binding site.
Academic Article	Identification and spectral characterization of the external aldimine of the O-acetylserine sulfhydrylase reaction.
Academic Article	Acid-base chemical mechanism of O-acetylserine sulfhydrylases-A and -B from pH studies.
Academic Article	Pre-steady-state kinetics reveal a slow isomerization of the enzyme-NAD complex in the NAD-malic enzyme reaction.
Academic Article	Kinetic mechanisms of the A and B isozymes of O-acetylserine sulfhydrylase from Salmonella typhimurium LT-2 using the natural and alternative reactants.

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Spectrophotometry