Search Results - "Alphey, Magnus S."
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1
Allosteric rescue of catalytically impaired ATP phosphoribosyltransferase variants links protein dynamics to active-site electrostatic preorganisation
Published in Nature communications (09-12-2022)“…ATP phosphoribosyltransferase catalyses the first step of histidine biosynthesis and is controlled via a complex allosteric mechanism where the regulatory…”
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2
Canonical binding of Chaetomium thermophilum DNA polymerase δ/ζ subunit PolD3 and flap endonuclease Fen1 to PCNA
Published in Frontiers in molecular biosciences (2023)“…The sliding clamp PCNA is a key player in eukaryotic genome replication and stability, acting as a platform onto which components of the DNA replication and…”
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3
Chemical, genetic and structural assessment of pyridoxal kinase as a drug target in the African trypanosome
Published in Molecular microbiology (01-10-2012)“…Summary Pyridoxal‐5′‐phosphate (vitamin B6) is an essential cofactor for many important enzymatic reactions such as transamination and decarboxylation. African…”
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4
Structural and mechanistic insights into type II trypanosomatid tryparedoxin-dependent peroxidases
Published in Biochemical journal (15-09-2008)“…TbTDPX (Trypanosoma brucei tryparedoxin-dependent peroxidase) is a genetically validated drug target in the fight against African sleeping sickness. Despite…”
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5
Non‐canonical binding of the Chaetomium thermophilum PolD4 N‐terminal PIP motif to PCNA involves Q‐pocket and compact 2‐fork plug interactions but no 310 helix
Published in The FEBS journal (01-01-2023)“…DNA polymerase δ (Pol δ) is a key enzyme for the maintenance of genome integrity in eukaryotic cells, acting in concert with the sliding clamp processivity…”
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6
Non-canonical binding of the Chaetomium thermophilum PolD4 N-terminal PIP motif to PCNA involves Q-pocket and compact 2-fork plug interactions but no 3 10 helix
Published in The FEBS journal (01-01-2023)“…DNA polymerase δ (Pol δ) is a key enzyme for the maintenance of genome integrity in eukaryotic cells, acting in concert with the sliding clamp processivity…”
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7
The Synthesis of UDP-N-acetylglucosamine Is Essential for Bloodstream Form Trypanosoma brucei in Vitro and in Vivo and UDP-N-acetylglucosamine Starvation Reveals a Hierarchy in Parasite Protein Glycosylation
Published in The Journal of biological chemistry (06-06-2008)“…A gene encoding Trypanosoma brucei UDP-N-acetylglucosamine pyrophosphorylase was identified, and the recombinant protein was shown to have enzymatic activity…”
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Crystal Structures of Trypanosoma brucei and Staphylococcus aureus Mevalonate Diphosphate Decarboxylase Inform on the Determinants of Specificity and Reactivity
Published in Journal of molecular biology (10-08-2007)“…Mevalonate diphosphate decarboxylase (MDD) catalyzes the ATP-dependent decarboxylation of mevalonate 5-diphosphate (MDP) to form isopentenyl pyrophosphate, a…”
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9
Biosynthesis of Isoprenoids: Crystal Structure of 4-Diphosphocytidyl-2C-Methyl-D-Erythritol Kinase
Published in Proceedings of the National Academy of Sciences - PNAS (05-08-2003)“…4-Diphosphocytidyl-2C-methyl-D-erythritol kinase, an essential enzyme in the nonmevalonate pathway of isopentenyl diphosphate and dimethylallyl diphosphate…”
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10
Crystal Structure, Steady-State, and Pre-Steady-State Kinetics of Acinetobacter baumannii ATP Phosphoribosyltransferase
Published in Biochemistry (Easton) (16-01-2024)“…The first step of histidine biosynthesis in Acinetobacter baumannii, the condensation of ATP and 5-phospho-α-d-ribosyl-1-pyrophosphate to produce N…”
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11
Mapping the Structural Path for Allosteric Inhibition of a Short-Form ATP Phosphoribosyltransferase by Histidine
Published in Biochemistry (Easton) (16-07-2019)“…ATP phosphoribosyltransferase (ATPPRT) catalyzes the first step of histidine biosynthesis, being allosterically inhibited by the final product of the pathway…”
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12
Next generation Glucose-1-phosphate thymidylyltransferase (RmlA) inhibitors: An extended SAR study to direct future design
Published in Bioorganic & medicinal chemistry (15-11-2021)“…[Display omitted] The monosaccharide l-Rhamnose is an important component of bacterial cell walls. The first step in the l-rhamnose biosynthetic pathway is…”
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13
Synthesis and Characterization of Cytidine Derivatives that Inhibit the Kinase IspE of the Non-Mevalonate Pathway for Isoprenoid Biosynthesis
Published in ChemMedChem (11-01-2008)“…The enzymes of the non‐mevalonate pathway for isoprenoid biosynthesis are attractive targets for the development of novel drugs against malaria and…”
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14
Dihydroquinazolines as a Novel Class of Trypanosoma brucei Trypanothione Reductase Inhibitors: Discovery, Synthesis, and Characterization of their Binding Mode by Protein Crystallography
Published in Journal of medicinal chemistry (13-10-2011)“…Trypanothione reductase (TryR) is a genetically validated drug target in the parasite Trypanosoma brucei, the causative agent of human African trypanosomiasis…”
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15
Catalytic and Anticatalytic Snapshots of a Short-Form ATP Phosphoribosyltransferase
Published in ACS catalysis (01-06-2018)“…Allosteric modulation of catalysis is a common regulatory strategy of flux-controlling biosynthetic enzymes. The enzyme ATP phosphoribosyltransferase (ATPPRT)…”
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16
Kinetics and Structure of a Cold-Adapted Hetero-Octameric ATP Phosphoribosyltransferase
Published in Biochemistry (Easton) (07-02-2017)“…Adenosine 5′-triphosphate phosphoribosyltransferase (ATPPRT) catalyzes the first step in histidine biosynthesis, the condensation of ATP and…”
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17
Structural insights into the mechanism and inhibition of the β-hydroxydecanoyl-acyl carrier protein dehydratase from Pseudomonas aeruginosa
Published in Journal of molecular biology (23-01-2013)“…Fatty acid biosynthesis is an essential component of metabolism in both eukaryotes and prokaryotes. The fatty acid biosynthetic pathway of Gram-negative…”
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18
Allosteric Competitive Inhibitors of the Glucose-1-phosphate Thymidylyltransferase (RmlA) from Pseudomonas aeruginosa
Published in ACS chemical biology (15-02-2013)“…Glucose-1-phosphate thymidylyltransferase (RmlA) catalyzes the condensation of glucose-1-phosphate (G1P) with deoxy-thymidine triphosphate (dTTP) to yield…”
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19
High resolution crystal structures of Siglec-7. Insights into ligand specificity in the Siglec family
Published in The Journal of biological chemistry (31-01-2003)“…Sialic acid-binding immunoglobulin-like lectins (Siglecs) recognize sialylated glycoconjugates and play a role in cell-cell recognition. Siglec-7 is expressed…”
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20
Recombinant Human PPAR-β/δ Ligand-binding Domain is Locked in an Activated Conformation by Endogenous Fatty Acids
Published in Journal of molecular biology (03-03-2006)“…High-resolution crystallographic structures of recombinant human peroxisome proliferator-activated receptor ligand-binding domain (isotype β/δ) reveal a fatty…”
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