Hydroxytyrosol production from l-DOPA by engineered Escherichia coli co-expressing l-amino acid deaminase, α-keto acid decarboxylase, aldehyde reductase and …

J Huo, Y Bai, TP Fan, X Zheng, Y Cai - Process Biochemistry, 2022 - Elsevier
… The recombinant Escherichia coli cells were constructed by co-expressing L-amino acid …
, α-keto acid decarboxylase from Proteus mirabilis, aldehyde reductase from Escherichia coli (…

Efficient enzymatic synthesis of α-keto acids by redesigned substrate-binding pocket of the L-amino acid deaminase (PmiLAAD)

L Wu, X Guo, G Wu, P Liu, Z Liu - Enzyme and microbial technology, 2020 - Elsevier
… This study has developed a robust whole-cell E. coli biocatalyst for α-keto acids production
by protein engineering, and this strategy may be useful for the construction of other …

Cloning, purification, and characterization of branched-chain α-keto acid decarboxylases from Lactococcus lactis strains with different 3-methylbutanal production …

C Chen, J Yuan, H Yu, X Lou, B Wang, Z Xu, H Tian - Food Bioscience, 2022 - Elsevier
… In this study, we cloned three genes encoding the three KADC variants into Escherichia coli
and characterized the corresponding recombinant protein. Additionally, homology models of …

Comparative analysis of the chemical and biochemical synthesis of keto acids

Z Luo, S Yu, W Zeng, J Zhou - Biotechnology advances, 2021 - Elsevier
… the types and applications of keto acids, and then summarize … of typical keto acids, including
pyruvic acid, oxaloacetic acid, α-… α-Keto acids have the keto group adjacent to the carboxylic …

Highly efficient asymmetric reduction of ketopantolactone to d-(−)-pantolactone by Escherichia coli cells expressing recombinant conjugated polyketone reductase …

X Pei, J Wang, H Zheng, P Cheng, Y Wu… - Reaction Chemistry & …, 2020 - pubs.rsc.org
… via the asymmetric reduction of prochiral ketones by oxidoreductases under mild
conditions, … aldo–keto reductases (AKRs) and exhibit a strict substrate specificity toward α-ketoesters, …

Open Gate of Corynebacterium glutamicum Threonine Deaminase for Efficient Synthesis of Bulky α-Keto Acids

W Song, X Xu, C Gao, Y Zhang, J Wu, J Liu… - ACS …, 2020 - ACS Publications
… Production of natural α-keto acids was performed with 20 g L –1 of wet E. coli cells (containing …
Production of unnatural α-keto acids was performed in duplicate with 20 g L –1 of wet …

Structural basis of keto acid utilization in nonribosomal depsipeptide synthesis

DA Alonzo, C Chiche-Lapierre, MJ Tarry… - Nature Chemical …, 2020 - nature.com
… stratosphericus LAMA 585 was synthesized as an Escherichia coli codon-optimized gene
and cloned into a pET-11a vector by GenScript. A–KR–PCP (residues 1–1,318) and the A …

Metabolic engineering combined with site‐directed saturated mutations of αketo acid decarboxylase for efficient production of 6‐aminocaproic acid and 1, 6 …

T Wang, P Ye, X Xu, M Lu, X Zhang, N Li - Biotechnology and … - Wiley Online Library
… engineering of Escherichia coli and selected mutations of α-keto acid decarboxylase …
chain-extended α-ketoacids was introduced into Escherichia coli BL21 (DE3). Then, the extended α-…

Development of an Escherichia coli whole cell catalyst harboring conjugated polyketone reductase from Candida glabrata for synthesis of d-(−)-pantolactone

FY Zhu, J Zhong, Q Shen, DX Jia, SJ Ma, J Du, H Wu… - Process …, 2022 - Elsevier
coli [15,16]. Both CPR-C1 and CPR-2 reduce α-diketoesters such as KPL to DPL in a
strictly stereospecific manner. CPRs are classified into the aldo-keto reductases (AKRs) …

[HTML][HTML] Semi-Rational Design of Proteus mirabilis l-Amino Acid Deaminase for Expanding Its Substrate Specificity in α-Keto Acid Synthesis from l-Amino Acids

A Fan, Z Wang, H Qu, Y Nie, Y Xu - Catalysts, 2022 - mdpi.com
… Nineteen mutants at each site were constructed and expressed in Escherichia coli (DE3).
The specific activity of all 57 variants of PmiLAAD was measured by the DNPH method …