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Developing sensors for real-time measurement of high Ca2+ concentrations.
Zou J, Hofer AM, Lurtz MM, Gadda G, Ellis AL, Chen N, Huang Y, Holder A, Ye Y, Louis CF, Welshhans K, Rehder V, Yang JJ. Zou J, et al. Among authors: gadda g. Biochemistry. 2007 Oct 30;46(43):12275-88. doi: 10.1021/bi7007307. Epub 2007 Oct 9. Biochemistry. 2007. PMID: 17924653
Mechanistic studies of choline oxidase with betaine aldehyde and its isosteric analogue 3,3-dimethylbutyraldehyde.
Fan F, Germann MW, Gadda G. Fan F, et al. Among authors: gadda g. Biochemistry. 2006 Feb 14;45(6):1979-86. doi: 10.1021/bi0517537. Biochemistry. 2006. PMID: 16460045
The chemical mechanism for the oxidation of choline catalyzed by choline oxidase was recently elucidated by using kinetic isotope effects [Fan, F., and Gadda, G. (2005) J. Am. Chem. Soc. 127, 2067-2074]. In this study, the oxidation of betaine aldehyde has been inve …
The chemical mechanism for the oxidation of choline catalyzed by choline oxidase was recently elucidated by using kinetic isotope effects [F …
Probing the chemical steps of nitroalkane oxidation catalyzed by 2-nitropropane dioxygenase with solvent viscosity, pH, and substrate kinetic isotope effects.
Francis K, Gadda G. Francis K, et al. Among authors: gadda g. Biochemistry. 2006 Nov 21;45(46):13889-98. doi: 10.1021/bi060566l. Biochemistry. 2006. PMID: 17105207
A recent study has established that the catalytic pathway is common to both types of substrates, except for the initial removal of a proton from the carbon of the neutral substrates [Francis, K., Russell, B., and Gadda, G. (2005) J. Biol. Chem. 280, 5195-5204]. In t …
A recent study has established that the catalytic pathway is common to both types of substrates, except for the initial removal of a proton …
An internal equilibrium preorganizes the enzyme-substrate complex for hydride tunneling in choline oxidase.
Fan F, Gadda G. Fan F, et al. Among authors: gadda g. Biochemistry. 2007 May 29;46(21):6402-8. doi: 10.1021/bi700255v. Epub 2007 May 2. Biochemistry. 2007. PMID: 17472346
., at saturating oxygen, was shown in a recent study to occur quantum mechanically within a highly preorganized active site, with the reactive configuration for hydride tunneling being minimally affected by environmental vibrations of the reaction coordinate other than those affe …
., at saturating oxygen, was shown in a recent study to occur quantum mechanically within a highly preorganized active site, with the reacti …
On the role of histidine 351 in the reaction of alcohol oxidation catalyzed by choline oxidase.
Rungsrisuriyachai K, Gadda G. Rungsrisuriyachai K, et al. Among authors: gadda g. Biochemistry. 2008 Jul 1;47(26):6762-9. doi: 10.1021/bi800650w. Epub 2008 Jun 10. Biochemistry. 2008. PMID: 18540638
The recent determination of the crystal structure of choline oxidase to a resolution of 1.86 A established the presence of two histidine residues in the active site, which may participate in catalysis. His466 was the subject of a previous study [Ghanem, M., and Gadda, G …
The recent determination of the crystal structure of choline oxidase to a resolution of 1.86 A established the presence of two histidine res …
157 results