Search Results - "Becker‐Baldus, Johanna"
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The Desensitized Channelrhodopsin‐2 Photointermediate Contains 13 ‐cis, 15 ‐syn Retinal Schiff Base
Published in Angewandte Chemie International Edition (19-07-2021)“…Channelrhodopsin‐2 (ChR2) is a light‐gated cation channel and was used to lay the foundations of optogenetics. Its dark state X‐ray structure has been…”
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2
The Conformational Equilibrium of the Neuropeptide Y2 Receptor in Bilayer Membranes
Published in Angewandte Chemie International Edition (21-12-2020)“…Dynamic structural transitions within the seven‐transmembrane bundle represent the mechanism by which G‐protein‐coupled receptors convert an extracellular…”
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3
Overcoming Volume Selectivity of Dipolar Recoupling in Biological Solid‐State NMR Spectroscopy
Published in Angewandte Chemie International Edition (26-10-2018)“…Dipolar recoupling in solid‐state NMR is an essential method for establishing correlations between nuclei that are close in space. In applications on protein…”
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4
Light‐Induced Uncaging for Time‐Resolved Observations of Biochemical Reactions by MAS NMR Spectroscopy
Published in Chemistry : a European journal (26-05-2020)“…Light‐induced activation of biomolecules by uncaging of photolabile protection groups has found many applications for triggering biochemical reactions with…”
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5
Synthesis of isotopically labeled all‐trans retinals for DNP‐enhanced solid‐state NMR studies of retinylidene proteins
Published in Journal of labelled compounds & radiopharmaceuticals (01-11-2018)“…Three all‐trans retinals containing multiple 13C labels have been synthesized to enable dynamic nuclear polarization enhanced solid‐state magic angle spinning…”
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6
Photocycle-dependent conformational changes in the proteorhodopsin cross-protomer Asp–His–Trp triad revealed by DNP-enhanced MAS-NMR
Published in Proceedings of the National Academy of Sciences - PNAS (23-04-2019)“…Proteorhodopsin (PR) is a highly abundant, pentameric, light-driven proton pump. Proton transfer is linked to a canonical photocycle typical for microbial ion…”
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Enlightening the photoactive site of channelrhodopsin-2 by DNP-enhanced solid-state NMR spectroscopy
Published in Proceedings of the National Academy of Sciences - PNAS (11-08-2015)“…Channelrhodopsin-2 fromChlamydomonas reinhardtiiis a light-gated ion channel. Over recent years, this ion channel has attracted considerable interest because…”
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Visualizing Specific Cross-Protomer Interactions in the Homo-Oligomeric Membrane Protein Proteorhodopsin by Dynamic-Nuclear-Polarization-Enhanced Solid-State NMR
Published in Journal of the American Chemical Society (22-07-2015)“…Membrane proteins often form oligomeric complexes within the lipid bilayer, but factors controlling their assembly are hard to predict and experimentally…”
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9
Solid-state NMR analysis of the sodium pump Krokinobacter rhodopsin 2 and its H30A mutant
Published in Journal of structural biology (01-04-2019)“…Krokinobacter eikastus rhodopsin 2 (KR2) is a pentameric, light-driven ion pump, which selectively transports sodium or protons. The mechanism of ion…”
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10
Global response of diacylglycerol kinase towards substrate binding observed by 2D and 3D MAS NMR
Published in Scientific reports (08-03-2019)“…Escherichia coli diacylglycerol kinase (DGK) is an integral membrane protein, which catalyses the ATP-dependent phosphorylation of diacylglycerol (DAG) to…”
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11
Chromophore Distortions in Photointermediates of Proteorhodopsin Visualized by Dynamic Nuclear Polarization-Enhanced Solid-State NMR
Published in Journal of the American Chemical Society (15-11-2017)“…Proteorhodopsin (PR) is the most abundant retinal protein on earth and functions as a light-driven proton pump. Despite extensive efforts, structural data for…”
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12
Structural Basis of the Green–Blue Color Switching in Proteorhodopsin as Determined by NMR Spectroscopy
Published in Journal of the American Chemical Society (17-12-2014)“…Proteorhodopsins (PRs) found in marine microbes are the most abundant retinal-based photoreceptors on this planet. PR variants show high levels of…”
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13
Probing the allosteric NBD-TMD crosstalk in the ABC transporter MsbA by solid-state NMR
Published in Communications biology (05-01-2024)“…The ABC transporter MsbA plays a critical role in Gram-negative bacteria in the regulation of the outer membrane by translocating core-LPS across the inner…”
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14
Ceramide–lipid interactions studied by MD simulations and solid-state NMR
Published in Biochimica et biophysica acta (01-10-2014)“…Ceramides play a key modulatory role in many cellular processes, which results from their effect on the structure and dynamics of biological membranes. In this…”
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Probing the Conformational Space of the Cannabinoid Receptor 2 and a Systematic Investigation of DNP-Enhanced MAS NMR Spectroscopy of Proteins in Detergent Micelles
Published in ACS omega (12-09-2023)“…Tremendous progress has been made in determining the structures of G-protein coupled receptors (GPCR) and their complexes in recent years. However,…”
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The Desensitized Channelrhodopsin‐2 Photointermediate Contains 13 ‐cis, 15 ‐syn Retinal Schiff Base
Published in Angewandte Chemie (19-07-2021)“…Channelrhodopsin‐2 (ChR2) is a light‐gated cation channel and was used to lay the foundations of optogenetics. Its dark state X‐ray structure has been…”
Get full text
Journal Article -
17
Photocycle and Vectorial Proton Transfer in a Rhodopsin from the Eukaryote Oxyrrhis marina
Published in Biochemistry (Easton) (23-04-2013)“…Retinylidene photoreceptors are ubiquitously present in marine protists as first documented by the identification of green proteorhodopsin (GPR). We present a…”
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Opportunities for Successful Stabilization of Poor Glass-Forming Drugs: A Stability-Based Comparison of Mesoporous Silica Versus Hot Melt Extrusion Technologies
Published in Pharmaceutics (04-11-2019)“…Amorphous formulation technologies to improve oral absorption of poorly soluble active pharmaceutical ingredients (APIs) have become increasingly prevalent…”
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Probing the photointermediates of light-driven sodium ion pump KR2 by DNP-enhanced solid-state NMR
Published in Science advances (12-03-2021)“…The functional mechanism of the light-driven sodium pump rhodopsin 2 (KR2) raises fundamental questions since the transfer of cations must differ from the…”
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20
MAS NMR Study of the Bacterial ABC Transporter ArtMP
Published in Chembiochem : a European journal of chemical biology (01-03-2010)“…ATP-binding cassette (ABC) transport systems facilitate the translocation of substances, like amino acids, across cell membranes energised by ATP hydrolysis…”
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