ArticleBiochemistry2022
Antibacterial Target DXP Synthase Catalyzes the Cleavage of d-Xylulose 5-Phosphate: a Study of Ketose Phosphate Binding and Ketol Transfer Reaction.
Article in Biochemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 11 citations in OpenAlex.
- Differential Hydroxypyruvate Processing byBiochemistry · 2026Article
- Aromatic Residues in Mobile Regions Distal to the Active Site Support the Closed Conformation ofBiochemistry · 2026Article
- Aromatic residues in mobile regions distal to the active site support the closed conformation ofbioRxiv : the preprint server for biology · 2025Article
- Covalent Docking to the Active Sites of Thiamine Diphosphate-Dependent Enzymes.Molecules (Basel, Switzerland) · 2025Article
- Genomic analysis of3 Biotech · 2025Article
- Trihydroxybenzaldoximes are Redox Cycling Inhibitors of ThDP-Dependent DXP Synthase.ACS chemical biology · 2025Article
- Trihydroxybenzaldoximes are redox cycling inhibitors of ThDP-dependent DXP synthase.bioRxiv : the preprint server for biology · 2025Article
- Bisubstrate Analog Inhibitors of DXP Synthase Show Species Specificity.Biochemistry · 2025Article
- Aldehyde-based Activation of C2α-lactylthiamin Diphosphate Decarboxylation on Bacterial 1-deoxy-d-xylulose 5-phosphate Synthase.Chembiochem : a European journal of chemical biology · 2024Article
- Potent Inhibition ofACS infectious diseases · 2024Article
- Disruption of an Active Site Network Leads to Activation of C2α-Lactylthiamin Diphosphate on the Antibacterial Target 1-Deoxy-d-xylulose-5-phosphate Synthase.Biochemistry · 2024Article
- An activity-based probe for antimicrobial target DXP synthase, a thiamin diphosphate-dependent enzyme.Frontiers in chemical biology · 2024Article
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4 authors at 1 institution in 1 country.
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Abstract
The bacterial enzyme 1-deoxy-d-xylulose 5-phosphate synthase (DXPS) catalyzes the formation of DXP from pyruvate and d-glyceraldehyde 3-phosphate (d-GAP) in a thiamin diphosphate (ThDP)-dependent manner. In addition to its role in isoprenoid biosynthesis, DXP is required for ThDP and pyridoxal phosphate biosynthesis. Due to its function as a branch-point enzyme and its demonstrated substrate and catalytic promiscuity, we hypothesize that DXPS could be key for bacterial adaptation in the dynamic metabolic landscape during infection. Prior work in the Freel Meyers laboratory has illustrated that DXPS displays relaxed specificity toward donor and acceptor substrates and varies acceptor specificity according to the donor used. We have reported that DXPS forms dihydroxyethyl (DHE)ThDP from ketoacid or aldehyde donor substrates via decarboxylation and deprotonation, respectively. Here, we tested other DHE donors and found that DXPS cleaves d-xylulose 5-phosphate (X5P) at C2-C3, producing DHEThDP through a third mechanism involving d-GAP elimination. We interrogated DXPS-catalyzed reactions using X5P as a donor substrate and illustrated (1) production of a semi-stable enzyme-bound intermediate and (2) O
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