The coordinated action of the enzymes in the L-lysine biosynthetic pathway and how to inhibit it for antibiotic targets

S Muduli, S Karmakar, S Mishra - Biochimica et Biophysica Acta (BBA) …, 2023 - Elsevier
Background Antimicrobial resistance is a global health issue that requires immediate
attention in terms of new antibiotics and new antibiotic targets. The l-lysine biosynthesis …

Biochemical and Structural Analysis of the Bacterial Enzyme Succinyl-Diaminopimelate Desuccinylase (DapE) from Acinetobacter baumannii

EH Kelley, G Minasov, K Konczak, L Shuvalova… - ACS …, 2024 - ACS Publications
There is an urgent need for new antibiotics given the rise of antibiotic resistance, and
succinyl-diaminopimelate desuccinylase (DapE, EC 3.5. 1.18) has emerged as a promising …

Ligands‐induced open‐close conformational change during DapE catalysis: Insights from molecular dynamics simulations

S Muduli, S Mishra - Proteins: Structure, Function, and …, 2023 - Wiley Online Library
The microbial enzyme DapE plays a critical role in the lysine biosynthetic pathway and is
considered as a potentially safe antibiotic target. In this study, atomistic simulations are …

Perturbation of Pseudomonas aeruginosa peptidoglycan recycling by anti-folates and design of a dual-action inhibitor

LN Yaeger, D Sychantha, P Luong, S Shekarriz… - mBio, 2025 - journals.asm.org
Peptidoglycan (PG) is an important bacterial macromolecule that confers cell shape and
structural integrity, and is a key antibiotic target. Its synthesis and turnover are carefully …

Synthesis and characterization of the N-succinyl-l, l-diaminopimelic acid desuccinylase (DapE) alternate substrate analog N, N-dimethyl-l, l-SDAP

ZJ Liveris, EH Kelley, E Simmons, K Konczak… - Bioorganic & Medicinal …, 2023 - Elsevier
Growing antibiotic resistance by pathogenic bacteria has led to a global crisis. The bacterial
enzyme N-succinyl-l, l-diaminopimelic acid desuccinylase (DapE) provides a very attractive …

The three-dimensional structure of DapE from Enterococcus faecium reveals new insights into DapE/ArgE subfamily ligand specificity

M Terrazas-López, L González-Segura… - International Journal of …, 2024 - Elsevier
DapE is a Zn 2+-metallohydrolase recognized as a drug target for bacterial control. It is a
homodimer that requires the exchange of interface strands by an induced fit essential for …

N α -acetyl-L-ornithine deacetylase from Escherichia coli and a ninhydrin-based assay to enable inhibitor identification

EH Kelley, J Osipiuk, M Korbas, M Endres… - Frontiers in …, 2024 - frontiersin.org
Bacteria are becoming increasingly resistant to antibiotics, therefore there is an urgent need
for new classes of antibiotics to fight antibiotic resistance. Mammals do not express N ɑ …

Tetrazole-based inhibitors of the bacterial enzyme N-succinyl-L, L-2, 6-diaminopimelic acid desuccinylase as potential antibiotics

T DiPuma Jr, T Thabthimthong, EH Kelley… - Bioorganic & Medicinal …, 2023 - Elsevier
Based on a hit from a high-throughput screen, a series of phenyltetrazole amides was
synthesized and assayed for inhibitory potency against DapE from Haemophilus influenzae …

[HTML][HTML] Synthesis of Pyrazole-Based Inhibitors of the Bacterial Enzyme N-Succinyl-l,l-2,6-Diaminopimelic Acid Desuccinylase (DapE) as Potential Antibiotics

T DiPuma Jr, EH Kelley, T Thabthimthong… - International Journal of …, 2024 - mdpi.com
Based on the inhibitory potencies from earlier reported tetrazole thioether analogs, we now
describe the synthesis and inhibition of pyrazole-based inhibitors of N-succinyl-l, l-2, 6 …

Metabolic connections between folate and peptidoglycan pathways in Pseudomonas aeruginosa inform rational design of a dual-action inhibitor

LN Yaeger, D Sychantha, P Luong, S Shekarriz… - bioRxiv, 2023 - biorxiv.org
Peptidoglycan is an important bacterial macromolecule that confers cell shape and structural
integrity, and a key antibiotic target. The synthesis and turnover of peptidoglycan are …