Insight into de-regulation of amino acid feedback inhibition: a focus on structure analysis method

S Naz, P Liu, U Farooq, H Ma - Microbial Cell Factories, 2023 - Springer
Regulation of amino acid's biosynthetic pathway is of significant importance to maintain
homeostasis and cell functions. Amino acids regulate their biosynthetic pathway by end …

Structure-based design of inhibitors of the crucial cysteine biosynthetic pathway enzyme O-acetyl serine sulfhydrylase

M Mazumder, S Gourinath - Current Topics in Medicinal …, 2016 - ingentaconnect.com
The cysteine biosynthetic pathway is of fundamental importance for the growth, survival, and
pathogenicity of the many pathogens. This pathway is present in many species but is absent …

Structure-based mutational studies of O-acetylserine sulfhydrylase reveal the reason for the loss of cysteine synthase complex formation in Brucella abortus

S Dharavath, I Raj, S Gourinath - Biochemical Journal, 2017 - portlandpress.com
Cysteine biosynthesis takes place via a two-step pathway in bacteria, fungi, plants and
protozoan parasites, but not in humans, and hence, the machinery of cysteine biosynthesis …

A novel mitochondrial serine O-acetyltransferase, OpSAT1, plays a critical role in sulfur metabolism in the thermotolerant methylotrophic yeast Ogataea …

JY Yeon, SJ Yoo, H Takagi, HA Kang - Scientific Reports, 2018 - nature.com
In most bacteria and plants, direct biosynthesis of cysteine from sulfide via O-acetylserine
(OAS) is essential to produce sulfur amino acids from inorganic sulfur. Here, we report the …

Crystal structure of serine acetyl transferase from Brucella abortus and its complex with coenzyme A

S Kumar, N Kumar, N Alam, S Gourinath - Biochimica et Biophysica Acta …, 2014 - Elsevier
Brucella abortus is the major cause of premature foetal abortion in cattle, can be transmitted
from cattle to humans, and is considered a powerful biological weapon. De novo cysteine …

Structural and functional studies of serine acetyltransferase isoform from Entamoeba histolytica reveals novel role of the C-terminal tail in loss of regulation from …

S Dharavath, K Kumari, S Kumar… - International Journal of …, 2022 - Elsevier
Serine acetyltransferase (SAT) catalyzes the acetylation of l-serine in the first step of the two-
step pathway to synthesize L-cysteine in bacteria, protozoans and plants. L-cysteine is …

Insight into the Conformational Transitions of Serine Acetyl Transferase Isoforms in E. histolytica: Implications for Structural and Functional Balance

D Idrees, AAT Naqvi, MI Hassan, F Ahmad… - ACS …, 2022 - ACS Publications
Serine acetyl transferase (SAT) is one of the crucial enzymes in the cysteine biosynthetic
pathway and an essential enzyme for the survival of Entamoeba histolytica, the causative …

[HTML][HTML] Cysteine biosynthesis contributes to β-methylamino-l-alanine tolerance in Escherichia coli

CJ Italiano, L Pu, JP Violi, IG Duggin… - Research in microbiology, 2021 - Elsevier
In contrast to mammalian cells, bacteria such as Escherichia coli have been shown to
display tolerance towards the neurotoxin β-methylamino-l-alanine (BMAA) suggesting that …

Loss of catalytic activity in the E134D, H67A, and H349A mutants of DapE: mechanistic analysis with QM/MM investigation

D Dutta, S Mishra - The Journal of Physical Chemistry B, 2016 - ACS Publications
In the fight against bacterial infections and antibiotic resistance, the dapE-encoded N-
succinyl-l, l-diaminopimelic acid desuccinylase (DapE) is a potentially safe target enzyme …

Unveiling the structural features of CysE: a novel target for therapeutic interventions against persistent mycobacteria

S Gupta, V Gupta - Journal of Applied and Natural …, 2022 - journals.ansfoundation.org
World Health Organization (WHO) reports that one-third of the world's population is infected
with a persistent form of Mycobacterium tuberculosis (M. tb), the causative bacterium …