Search Results - "Madej, M Gregor"
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Dawning of a new era in TRP channel structural biology by cryo-electron microscopy
Published in Pflügers Archiv (01-02-2018)“…Cryo-electron microscopy (cryo-EM) permits the determination of atomic protein structures by averaging large numbers of individual projection images recorded…”
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Functional architecture of MFS d-glucose transporters
Published in Proceedings of the National Academy of Sciences - PNAS (18-02-2014)“…The Major Facilitator Superfamily (MFS) is a diverse group of secondary transporters with over 10,000 members, found in all kingdoms of life, including Homo…”
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Evolutionary mix-and-match with MFS transporters
Published in Proceedings of the National Academy of Sciences - PNAS (09-04-2013)“…Major facilitator superfamily (MFS) transport proteins are ubiquitous in the membranes of all living cells, and ∼25% of prokaryotic membrane transport proteins…”
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pH Regulation of Electrogenic Sugar/H+ Symport in MFS Sugar Permeases
Published in PloS one (26-05-2016)“…Bacterial sugar symporters in the Major Facilitator Superfamily (MFS) use the H+ (and in a few cases Na+) electrochemical gradients to achieve active transport…”
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A Loose Relationship: Incomplete H+/Sugar Coupling in the MFS Sugar Transporter GlcP
Published in Biophysical journal (19-12-2017)“…The glucose transporter from Staphylococcus epidermidis, GlcPSe, is a homolog of the human GLUT sugar transporters of the major facilitator superfamily…”
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Evolutionary mix-and-match with MFS transporters II
Published in Proceedings of the National Academy of Sciences - PNAS (10-12-2013)“…One fundamentally important problem for understanding the mechanism of coupling between substrate and H ⁺ translocation with secondary active transport…”
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Apo-intermediate in the transport cycle of lactose permease (LacY)
Published in Proceedings of the National Academy of Sciences - PNAS (30-10-2012)“…The lactose permease (LacY) catalyzes coupled stoichiometric symport of a galactoside and an H ⁺. Crystal structures reveal 12, mostly irregular, transmembrane…”
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Design, Synthesis, and Biological Testing of Novel Naphthoquinones as Substrate-Based Inhibitors of the Quinol/Fumarate Reductase from Wolinella succinogenes
Published in Journal of medicinal chemistry (12-12-2013)“…Novel naphthoquinones were designed, synthesized, and tested as substrate-based inhibitors against the membrane-embedded protein quinol/fumarate reductase…”
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CopR, a Global Regulator of Transcription to Maintain Copper Homeostasis in Pyrococcus furiosus
Published in Frontiers in microbiology (11-01-2021)“…Although copper is in many cases an essential micronutrient for cellular life, higher concentrations are toxic. Therefore, all living cells have developed…”
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10
Substrate-induced changes in the structural properties of LacY
Published in Proceedings of the National Academy of Sciences - PNAS (22-04-2014)“…The lactose permease (LacY) of Escherichia coli , a paradigm for the major facilitator superfamily, catalyzes the coupled stoichiometric translocation of a…”
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11
The Vibrio vulnificus stressosome is an oxygen-sensor involved in regulating iron metabolism
Published in Communications biology (27-06-2022)“…Stressosomes are stress-sensing protein complexes widely conserved among bacteria. Although a role in the regulation of the general stress response is well…”
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Molecular insights into intra-complex signal transmission during stressosome activation
Published in Communications biology (27-06-2022)“…The stressosome is a pseudo-icosahedral megadalton bacterial stress-sensing protein complex consisting of several copies of two STAS-domain proteins, RsbR and…”
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Evidence for transmembrane proton transfer in a dihaem-containing membrane protein complex
Published in The EMBO journal (18-10-2006)“…Membrane protein complexes can support both the generation and utilisation of a transmembrane electrochemical proton potential (‘proton‐motive force’), either…”
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14
Investigation of sugar binding kinetics of the E. coli sugar/H+ symporter XylE using solid-supported membrane-based electrophysiology
Published in The Journal of biological chemistry (01-02-2022)“…Bacterial transporters are difficult to study using conventional electrophysiology because of their low transport rates and the small size of bacterial cells…”
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Experimental Evidence for Proton Motive Force-Dependent Catalysis by the Diheme-Containing Succinate:Menaquinone Oxidoreductase from the Gram-Positive Bacterium Bacillus licheniformis
Published in Biochemistry (Easton) (19-12-2006)“…In Gram-positive bacteria and other prokaryotes containing succinate:menaquinone reductases, it has previously been shown that the succinate oxidase and…”
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Molecular insights into lipid-assisted Ca 2+ regulation of the TRP channel Polycystin-2
Published in Nature structural & molecular biology (01-02-2017)“…Polycystin-2 (PC2), a calcium-activated cation TRP channel, is involved in diverse Ca signaling pathways. Malfunctioning Ca regulation in PC2 causes…”
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Molecular insights into lipid-assisted Ca2+ regulation of the TRP channel Polycystin-2
Published in Nature structural & molecular biology (01-02-2017)“…Cryo-EM structures of full-length human PC2 reveal two distinct channel states: an open conformation and a blocked conformation with Ca 2+ bound at the…”
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Transmembrane serine protease 2 (TMPRSS2) proteolytically activates the epithelial sodium channel (ENaC) by cleaving the channel’s γ-subunit
Published in The Journal of biological chemistry (01-06-2022)“…The epithelial sodium channel (ENaC) is a heterotrimer consisting of α-, β-, and γ-subunits. Channel activation requires proteolytic release of inhibitory…”
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Comparative Sequence-Function Analysis of the Major Facilitator Superfamily: The "Mix-and-Match" Method
Published in Methods in enzymology (2015)“…The major facilitator superfamily (MFS) is a diverse group of secondary transporters with members found in all kingdoms of life. The paradigm for MFS is the…”
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Orphan lysosomal solute carrier MFSD1 facilitates highly selective dipeptide transport
Published in Proceedings of the National Academy of Sciences - PNAS (26-03-2024)“…Orphan solute carrier (SLC) represents a group of membrane transporters whose exact functions and substrate specificities are not known. Elucidating the…”
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