NADPH metabolism: a survey of its theoretical characteristics and manipulation strategies in amino acid biosynthesis

JZ Xu, HK Yang, WG Zhang - Critical Reviews in Biotechnology, 2018 - Taylor & Francis
Reduced nicotinamide adenine nucleotide phosphate (NADPH), which is one of the key
cofactors in the metabolic network, plays an important role in the biochemical reactions, and …

Substrate-specific engineering of amino acid dehydrogenase superfamily for synthesis of a variety of chiral amines and amino acids

F Zhou, Y Xu, Y Nie, X Mu - Catalysts, 2022 - mdpi.com
Amino acid dehydrogenases (AADHs) are a group of enzymes that catalyze the reversible
reductive amination of keto acids with ammonia to produce chiral amino acids using either …

Structural Studies of Glutamate Dehydrogenase (Isoform 1) From Arabidopsis thaliana, an Important Enzyme at the Branch-Point Between Carbon and Nitrogen …

M Grzechowiak, J Sliwiak, M Jaskolski… - Frontiers in plant …, 2020 - frontiersin.org
Glutamate dehydrogenase (GDH) releases ammonia in a reversible NAD (P)+-dependent
oxidative deamination of glutamate that yields 2-oxoglutarate (2OG). In current perception …

Tuning amino acid dehydrogenases with featured sequences for L-phosphinothricin synthesis by reductive amination

F Cheng, H Li, K Zhang, QH Li, D **e, YP Xue… - Journal of …, 2020 - Elsevier
Biosynthesizing unnatural chiral amino acids is challenging due to the limited reductive
amination activity of amino acid dehydrogenase (AADH). Here, for the asymmetric synthesis …

Efficient reductive amination process for enantioselective synthesis of L-phosphinothricin applying engineered glutamate dehydrogenase

X Yin, J Wu, L Yang - Applied Microbiology and Biotechnology, 2018 - Springer
The objective of this study was to identify and exploit a robust biocatalyst that can be applied
in reductive amination for enantioselective synthesis of the competitive herbicide L …

CryoEM-sampling of metastable conformations appearing in cofactor-ligand association and catalysis of glutamate dehydrogenase

T Wakabayashi, M Oide, M Nakasako - Scientific reports, 2024 - nature.com
Kinetic aspects of enzymatic reactions are described by equations based on the Michaelis–
Menten theory for the initial stage. However, the kinetic parameters provide little information …

Comparative analysis of Corynebacterium glutamicum genomes: a new perspective for the industrial production of amino acids

J Yang, S Yang - BMC genomics, 2017 - Springer
Background Corynebacterium glutamicum is a non-pathogenic bacterium widely used in
industrial amino acid production and metabolic engineering research. Although the genome …

Structural basis for the catalytic mechanism and α-ketoglutarate cooperativity of glutamate dehydrogenase

P Prakash, NS Punekar, P Bhaumik - Journal of Biological Chemistry, 2018 - jbc.org
Glutamate dehydrogenase (GDH) is a key enzyme connecting carbon and nitrogen
metabolism in all living organisms. Despite extensive studies on GDHs from both prokaryotic …

Rational molecular engineering of glutamate dehydrogenases for enhancing asymmetric reductive amination of bulky α‐keto acids

X Yin, Y Liu, L Meng, H Zhou, J Wu… - Advanced Synthesis & …, 2019 - Wiley Online Library
Glutamate dehydrogenases (GluDHs) are promising biocatalysts for the synthesis of chiral α‐
amino acids by asymmetric reductive amination of α‐keto acids. However, their strict …

A Sustainable Approach for Synthesizing (R)-4-Aminopentanoic Acid From Levulinic Acid Catalyzed by Structure-Guided Tailored Glutamate Dehydrogenase

F Zhou, Y Xu, X Mu, Y Nie - Frontiers in Bioengineering and …, 2022 - frontiersin.org
In this study, a novel enzymatic approach to transform levulinic acid (LA), which can be
obtained from biomass, into value-added (R)-4-aminopentanoic acid using an engineered …