ArticleACS omega2023
Computational Mechanistic Study of l-Aspartate Oxidase by ONIOM Method.
Article in ACS omega, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 9 citations in OpenAlex.
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
l-Aspartate oxidase (Laspo) is responsible for the oxidation of l-aspartate into iminoaspartate using flavin as a cofactor. During this process flavin is reduced, and it can be reoxidized by either molecular oxygen or fumarate. The overall fold and the catalytic residues of Laspo are similar to succinate dehydrogenase and fumarate reductase. On the basis of deuterium kinetic isotope effects as well as other kinetic and structural data, it is proposed that the enzyme can catalyze the oxidation of l-aspartate through a mechanism similar to amino acid oxidases. It is suggested that a proton is removed from the α-amino group, while a hydride is transferred from C2 to flavin. It is also suggested that the hydride transfer is a rate-limiting step. However, there is still an ambiguity about the stepwise or concerted mechanism of hydride- and proton-transfer steps. In this study, we formulated some computational models to study the hydride-transfer mechanism using the crystal structure of
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