SCIENTIFIC REPORTS, ISSN 2045-2322, 11/2019, Volume 9, Issue 1, pp. 1 - 11
Lipases are interfacially activated enzymes that catalyze the hydrolysis of ester bonds and constitute prime candidates for industrial and biotechnological...
TRANSITION | ACTIVATION | PHOSPHOLIPID-VESICLES | MOTION | SPECTROSCOPY | MOLECULE | KINETICS | ORIENTATION | MULTIDISCIPLINARY SCIENCES | CURVATURE | MICROSCOPY | Enzymes | Mutation | Lipase | Localization | Diffusion | Structure-function relationships
TRANSITION | ACTIVATION | PHOSPHOLIPID-VESICLES | MOTION | SPECTROSCOPY | MOLECULE | KINETICS | ORIENTATION | MULTIDISCIPLINARY SCIENCES | CURVATURE | MICROSCOPY | Enzymes | Mutation | Lipase | Localization | Diffusion | Structure-function relationships
Journal Article
2.
Geometrical Membrane Curvature as an Allosteric Regulator of Membrane Protein Structure and Function
Biophysical Journal, ISSN 0006-3495, 01/2014, Volume 106, Issue 1, p. 201
Transmembrane proteins are embedded in cellular membranes of varied lipid composition and geometrical curvature. Here, we studied for the first time the...
Proteins | Membranes | Lipids | Permeability
Proteins | Membranes | Lipids | Permeability
Journal Article
Science, ISSN 0036-8075, 03/2016, Volume 351, Issue 6280, pp. 1469 - 1473
In eukaryotes, P-type adenosine triphosphatases (ATPases) generate the plasma membrane potential and drive secondary transport systems; however, despite their...
ACTIVATION | DOMAIN | SINGLE | TRANSPORTER | ENZYME | MEMBRANE H+-ATPASE | MULTIDISCIPLINARY SCIENCES | SYSTEMS | CHANNELS | MICROARRAYS | TRANSLATION | Membrane Potentials - drug effects | Protein Structure, Tertiary | Protons | Allosteric Regulation | Molecular Imaging | Membrane Potentials - physiology | Proton-Translocating ATPases - chemistry | Arabidopsis Proteins - metabolism | Proton-Translocating ATPases - metabolism | Arabidopsis Proteins - chemistry | Ion Transport | Proton-Translocating ATPases - antagonists & inhibitors | Arabidopsis Proteins - antagonists & inhibitors | Valinomycin - pharmacology | Hydrogen-Ion Concentration | Arabidopsis thaliana | Eukaryotes | Genetic aspects | Observations | Adenosine triphosphatase | Enzymes | Biochemistry
ACTIVATION | DOMAIN | SINGLE | TRANSPORTER | ENZYME | MEMBRANE H+-ATPASE | MULTIDISCIPLINARY SCIENCES | SYSTEMS | CHANNELS | MICROARRAYS | TRANSLATION | Membrane Potentials - drug effects | Protein Structure, Tertiary | Protons | Allosteric Regulation | Molecular Imaging | Membrane Potentials - physiology | Proton-Translocating ATPases - chemistry | Arabidopsis Proteins - metabolism | Proton-Translocating ATPases - metabolism | Arabidopsis Proteins - chemistry | Ion Transport | Proton-Translocating ATPases - antagonists & inhibitors | Arabidopsis Proteins - antagonists & inhibitors | Valinomycin - pharmacology | Hydrogen-Ion Concentration | Arabidopsis thaliana | Eukaryotes | Genetic aspects | Observations | Adenosine triphosphatase | Enzymes | Biochemistry
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 07/2016, Volume 113, Issue 29, p. 8218
The assembly of cell surface receptors with downstream signaling molecules is a commonly occurring theme in multiple signaling systems. However, little is...
Molecules | Reaction kinetics | T cell receptors | Stochastic models
Molecules | Reaction kinetics | T cell receptors | Stochastic models
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 2/2014, Volume 111, Issue 8, pp. 2996 - 3001
The lipid-anchored small GTPase Ras is an important signaling node in mammalian cells. A number of observations suggest that Ras is laterally organized within...
Proteins | Fluorescence | Lipids | Dimers | Cell membranes | Nucleotides | Dimerization | Density | Rotation | P branes | Ras signaling | Ras assay | ACTIVATION | CRYSTAL-STRUCTURE | MULTIDISCIPLINARY SCIENCES | GTP-BINDING PROTEINS | PLASMA-MEMBRANE | BOUND PROTEINS | GREEN FLUORESCENT PROTEIN | FUNCTIONAL-ANALYSIS | DYNAMICS | DIFFUSION | LIVING CELLS | Amino Acid Sequence | Magnetic Resonance Spectroscopy | Humans | Models, Molecular | Molecular Sequence Data | ras Proteins - metabolism | Protein Interaction Domains and Motifs - genetics | ras Proteins - chemistry | Protein Conformation | Cell Membrane - metabolism | Fluorescence Polarization | Microscopy, Fluorescence | Physiological aspects | Protein research | Research | Protein-protein interactions | Membrane proteins | Biological Sciences
Proteins | Fluorescence | Lipids | Dimers | Cell membranes | Nucleotides | Dimerization | Density | Rotation | P branes | Ras signaling | Ras assay | ACTIVATION | CRYSTAL-STRUCTURE | MULTIDISCIPLINARY SCIENCES | GTP-BINDING PROTEINS | PLASMA-MEMBRANE | BOUND PROTEINS | GREEN FLUORESCENT PROTEIN | FUNCTIONAL-ANALYSIS | DYNAMICS | DIFFUSION | LIVING CELLS | Amino Acid Sequence | Magnetic Resonance Spectroscopy | Humans | Models, Molecular | Molecular Sequence Data | ras Proteins - metabolism | Protein Interaction Domains and Motifs - genetics | ras Proteins - chemistry | Protein Conformation | Cell Membrane - metabolism | Fluorescence Polarization | Microscopy, Fluorescence | Physiological aspects | Protein research | Research | Protein-protein interactions | Membrane proteins | Biological Sciences
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 02/2014, Volume 111, Issue 8, p. 2996
The lipid-anchored small GTPase Ras is an important signaling node in mammalian cells. A number of observations suggest that Ras is laterally organized...
Proteins | Membranes | Cellular biology | Anisotropy | Fluorescence | Lipids | Mutation
Proteins | Membranes | Cellular biology | Anisotropy | Fluorescence | Lipids | Mutation
Journal Article
Biophysical Journal, ISSN 0006-3495, 12/2011, Volume 101, Issue 11, p. 2693
The polymorphism of eukaryotic cellular membranes is a tightly regulated and well-conserved phenotype. Recent data have revealed important regulatory roles...
Proteins | Genotype & phenotype | Eukaryotes | Membranes | Polymorphism
Proteins | Genotype & phenotype | Eukaryotes | Membranes | Polymorphism
Journal Article
Biophysical Journal, ISSN 0006-3495, 2008, Volume 95, Issue 3, pp. 1176 - 1188
We report a novel approach to quantitatively determine complete size distributions of surface-bound objects using fluorescence microscopy. We measure the...
FREEZE-FRACTURE | UNILAMELLAR VESICLES | BIOPHYSICS | MEMBRANE CURVATURE | LIGHT-SCATTERING | BILAYERS | FRACTURE ELECTRON-MICROSCOPY | LIPOSOMES | RECONSTITUTION | SPATIALLY MODULATED ILLUMINATION | BIOLOGICAL-MEMBRANES | Particle Size | Molecular Probe Techniques | Microscopy, Fluorescence - methods | Image Interpretation, Computer-Assisted - methods | Molecular Conformation | Unilamellar Liposomes - chemistry | Membrane Lipids - chemistry | Measurement | Fluorescence | Methods | Lipids | Biochemistry | Biophysics | Microscopy | Particle size distribution | Size distribution | Vesicles | Light scattering | Extrusion | Illumination | Membranes
FREEZE-FRACTURE | UNILAMELLAR VESICLES | BIOPHYSICS | MEMBRANE CURVATURE | LIGHT-SCATTERING | BILAYERS | FRACTURE ELECTRON-MICROSCOPY | LIPOSOMES | RECONSTITUTION | SPATIALLY MODULATED ILLUMINATION | BIOLOGICAL-MEMBRANES | Particle Size | Molecular Probe Techniques | Microscopy, Fluorescence - methods | Image Interpretation, Computer-Assisted - methods | Molecular Conformation | Unilamellar Liposomes - chemistry | Membrane Lipids - chemistry | Measurement | Fluorescence | Methods | Lipids | Biochemistry | Biophysics | Microscopy | Particle size distribution | Size distribution | Vesicles | Light scattering | Extrusion | Illumination | Membranes
Journal Article
Biophysical Journal, ISSN 0006-3495, 02/2011, Volume 100, Issue 4, p. 957
Lipid mixing between vesicles functionalized with SNAREs and the cytosolic C2AB domain of synaptotagmin-1 recapitulates the basic Ca2+ dependence of neuronal...
Proteins | Signal transduction | Calcium | Lipids | Kinetics | Maximum likelihood method | Diffusion
Proteins | Signal transduction | Calcium | Lipids | Kinetics | Maximum likelihood method | Diffusion
Journal Article
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, ISSN 0027-8424, 07/2019, Volume 116, Issue 30, pp. 15013 - 15022
Phosphorylation reactions, driven by competing kinases and phosphatases, are central elements of cellular signal transduction. We reconstituted a native...
bistability | ACTIVATION | MEMBRANE | MULTIDISCIPLINARY SCIENCES | OCRL | HIGH-AFFINITY BINDING | kinase | PHOSPHATIDYLINOSITOL 4-PHOSPHATE | SIGNALING SYSTEM | LIGATION-INDEPENDENT CLONING | NUCLEOTIDE EXCHANGE FACTOR | stochastic | polarization | phosphatase | DIFFUSION | FEEDBACK | Phosphates | Cellular signal transduction | Phosphatases | Phosphotransferases | Polarization | Membranes | Phosphorylation | Confinement | Composition | Copy number | Variations | Lipids | Membrane composition | Kinases | Phosphatase | Signalling systems | Bistability | Signal transduction | Lipid kinase | Transduction | Stochasticity | Diffusion | Biological Sciences | PNAS Plus
bistability | ACTIVATION | MEMBRANE | MULTIDISCIPLINARY SCIENCES | OCRL | HIGH-AFFINITY BINDING | kinase | PHOSPHATIDYLINOSITOL 4-PHOSPHATE | SIGNALING SYSTEM | LIGATION-INDEPENDENT CLONING | NUCLEOTIDE EXCHANGE FACTOR | stochastic | polarization | phosphatase | DIFFUSION | FEEDBACK | Phosphates | Cellular signal transduction | Phosphatases | Phosphotransferases | Polarization | Membranes | Phosphorylation | Confinement | Composition | Copy number | Variations | Lipids | Membrane composition | Kinases | Phosphatase | Signalling systems | Bistability | Signal transduction | Lipid kinase | Transduction | Stochasticity | Diffusion | Biological Sciences | PNAS Plus
Journal Article
Science, ISSN 0036-8075, 2014, Volume 345, Issue 6192, pp. 50 - 54
Activation of the small guanosine triphosphatase H-Ras by the exchange factor Son of Sevenless (SOS) is an important hub for signal transduction. Multiple...
SIGNAL-TRANSDUCTION | SEVENLESS | AUTOINHIBITION | ENZYME CATALYSIS | HISTONE DOMAIN | SINGLE-MOLECULE | MULTIDISCIPLINARY SCIENCES | TIME | PROTEINS | PLASMA-MEMBRANE | CELL | Proteins | Physiological aspects | Genetic research | Cellular signal transduction | Genetic aspects | Research | Molecular biology | Genetic regulation | Membranes | Biochemistry | Cellular biology | Enzyme kinetics | Enzymes | Control | Government regulations | Dynamics | Catalytic activity | Dynamical systems
SIGNAL-TRANSDUCTION | SEVENLESS | AUTOINHIBITION | ENZYME CATALYSIS | HISTONE DOMAIN | SINGLE-MOLECULE | MULTIDISCIPLINARY SCIENCES | TIME | PROTEINS | PLASMA-MEMBRANE | CELL | Proteins | Physiological aspects | Genetic research | Cellular signal transduction | Genetic aspects | Research | Molecular biology | Genetic regulation | Membranes | Biochemistry | Cellular biology | Enzyme kinetics | Enzymes | Control | Government regulations | Dynamics | Catalytic activity | Dynamical systems
Journal Article
Nature Methods, ISSN 1548-7091, 08/2014, Volume 11, Issue 9, pp. 931 - 934
Proteoliposome reconstitution is a standard method to stabilize purified transmembrane proteins in membranes for structural and functional assays. Here we...
IN-VITRO | BIOCHEMICAL RESEARCH METHODS | RESONANCE ENERGY-TRANSFER | RECEPTOR | MEMBRANE-PROTEINS | G-PROTEIN | LIPOSOMES | Spectrometry, Fluorescence - methods | Algorithms | Receptors, G-Protein-Coupled - analysis | Microscopy, Fluorescence - methods | Nanotechnology - methods | Image Interpretation, Computer-Assisted - methods | Receptors, G-Protein-Coupled - chemistry | Proteolipids - chemistry | Research | Liposomes | Structure | Membrane proteins | Proteins | Membranes | Scientific method | Biophysics | Nanotechnology
IN-VITRO | BIOCHEMICAL RESEARCH METHODS | RESONANCE ENERGY-TRANSFER | RECEPTOR | MEMBRANE-PROTEINS | G-PROTEIN | LIPOSOMES | Spectrometry, Fluorescence - methods | Algorithms | Receptors, G-Protein-Coupled - analysis | Microscopy, Fluorescence - methods | Nanotechnology - methods | Image Interpretation, Computer-Assisted - methods | Receptors, G-Protein-Coupled - chemistry | Proteolipids - chemistry | Research | Liposomes | Structure | Membrane proteins | Proteins | Membranes | Scientific method | Biophysics | Nanotechnology
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 7/2016, Volume 113, Issue 29, pp. 8218 - 8223
The assembly of cell surface receptors with downstream signaling molecules is a commonly occurring theme in multiple signaling systems. However, little is...
Kinetic proofreading | Protein assembly | Signal transduction | Membrane dwell time | Single molecule | SPECIFICITY | signal transduction | SINGLE-MOLECULE | PHOSPHORYLATION | kinetic proofreading | MULTIDISCIPLINARY SCIENCES | protein assembly | PLASMA-MEMBRANE | membrane dwell time | single molecule | RECEPTOR TYROSINE KINASES | GRB2 | PROTEINS | SIGNALING COMPLEXES | T-CELLS | LINKER | ras Proteins | Receptors, Antigen, T-Cell - metabolism | Signal Transduction | Membranes, Artificial | Membrane Proteins - metabolism | Kinetics | Adaptor Proteins, Signal Transducing - metabolism | GRB2 Adaptor Protein - metabolism | Son of Sevenless Proteins - metabolism | Phosphotyrosine - metabolism | Tyrosine | Physiological aspects | Cellular signal transduction | Observations | Protein-protein interactions | BASIC BIOLOGICAL SCIENCES | 60 APPLIED LIFE SCIENCES | Biological Sciences
Kinetic proofreading | Protein assembly | Signal transduction | Membrane dwell time | Single molecule | SPECIFICITY | signal transduction | SINGLE-MOLECULE | PHOSPHORYLATION | kinetic proofreading | MULTIDISCIPLINARY SCIENCES | protein assembly | PLASMA-MEMBRANE | membrane dwell time | single molecule | RECEPTOR TYROSINE KINASES | GRB2 | PROTEINS | SIGNALING COMPLEXES | T-CELLS | LINKER | ras Proteins | Receptors, Antigen, T-Cell - metabolism | Signal Transduction | Membranes, Artificial | Membrane Proteins - metabolism | Kinetics | Adaptor Proteins, Signal Transducing - metabolism | GRB2 Adaptor Protein - metabolism | Son of Sevenless Proteins - metabolism | Phosphotyrosine - metabolism | Tyrosine | Physiological aspects | Cellular signal transduction | Observations | Protein-protein interactions | BASIC BIOLOGICAL SCIENCES | 60 APPLIED LIFE SCIENCES | Biological Sciences
Journal Article
Nature Nanotechnology, ISSN 1748-3387, 2012, Volume 7, Issue 1, pp. 51 - 55
Handling and mixing ultrasmall volumes of reactants in parallel can increase the throughput(1,2) and complexity(3) of screening assays while simultaneously...
MEMBRANE-FUSION | VESICLE FUSION | SPECTROSCOPY | LIPID VESICLES | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHEMISTRY | SYSTEMS | NANOSCIENCE & NANOTECHNOLOGY | MICROFLUIDICS | DROPLETS
MEMBRANE-FUSION | VESICLE FUSION | SPECTROSCOPY | LIPID VESICLES | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHEMISTRY | SYSTEMS | NANOSCIENCE & NANOTECHNOLOGY | MICROFLUIDICS | DROPLETS
Journal Article
Nature Structural and Molecular Biology, ISSN 1545-9993, 09/2016, Volume 23, Issue 9, pp. 838 - 846
SOS is a key activator of the small GTPase Ras. In cells, SOS-Ras signaling is thought to be initiated predominantly by membrane recruitment of SOS via the...
SEVENLESS | HISTONE DOMAIN | EGF-RECEPTOR | BIOCHEMISTRY & MOLECULAR BIOLOGY | KINASE | CELL BIOLOGY | SIGNAL-TRANSDUCTION | BIOPHYSICS | T-CELL-ACTIVATION | NUCLEOTIDE EXCHANGE FACTOR | GRB2 | ADAPTER PROTEIN | LYMPHOCYTES | Jurkat Cells | Allosteric Regulation | Humans | ras Proteins - metabolism | SOS1 Protein - physiology | MAP Kinase Signaling System | Protein Transport | Endocytosis | Animals | Proto-Oncogene Proteins c-bcr - physiology | ras Proteins - chemistry | Chickens | Protein Binding | Protein Domains | Cell Membrane - metabolism | Enzyme Activation | Kinetics | Lipid Bilayers - chemistry | SOS1 Protein - chemistry | Cellular proteins | Cell receptors | Cellular signal transduction | Genetic aspects | Cell membranes | Properties | Health aspects | Lipids | Biophysics | Cellular biology | Enzyme kinetics
SEVENLESS | HISTONE DOMAIN | EGF-RECEPTOR | BIOCHEMISTRY & MOLECULAR BIOLOGY | KINASE | CELL BIOLOGY | SIGNAL-TRANSDUCTION | BIOPHYSICS | T-CELL-ACTIVATION | NUCLEOTIDE EXCHANGE FACTOR | GRB2 | ADAPTER PROTEIN | LYMPHOCYTES | Jurkat Cells | Allosteric Regulation | Humans | ras Proteins - metabolism | SOS1 Protein - physiology | MAP Kinase Signaling System | Protein Transport | Endocytosis | Animals | Proto-Oncogene Proteins c-bcr - physiology | ras Proteins - chemistry | Chickens | Protein Binding | Protein Domains | Cell Membrane - metabolism | Enzyme Activation | Kinetics | Lipid Bilayers - chemistry | SOS1 Protein - chemistry | Cellular proteins | Cell receptors | Cellular signal transduction | Genetic aspects | Cell membranes | Properties | Health aspects | Lipids | Biophysics | Cellular biology | Enzyme kinetics
Journal Article
Small, ISSN 1613-6810, 08/2015, Volume 11, Issue 29, pp. 3550 - 3555
Single nanoparticle analysis: An interferometric optical approach calibrates sizes of gold nanoparticles (AuNPs) from the interference intensities by...
membranes | size determination | interferometric optics | gold nanoparticles | lipid bilayers | diffusion coefficients | OPTICAL-DETECTION | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | SUPPORTED BILAYER | MATERIALS SCIENCE, MULTIDISCIPLINARY | NANOMATERIALS | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | LIPID-MEMBRANES | CHEMISTRY, MULTIDISCIPLINARY | DEPENDENCE | SCATTERING MICROSCOPY | PARTICLE TRACKING | DYNAMICS | MEMBRANE SURFACES | DIFFUSION | Gold - chemistry | Materials Testing - standards | Particle Size | Gold - analysis | Reproducibility of Results | Microscopy, Electron, Transmission - standards | Sensitivity and Specificity | Calibration - standards | Interferometry - standards | Lipid Bilayers - chemistry | Metal Nanoparticles - analysis | Nanoparticles | Multiplexing | Gold | Transmission electron microscopy | Lipids | Calibration | Diffusion | Interferometry
membranes | size determination | interferometric optics | gold nanoparticles | lipid bilayers | diffusion coefficients | OPTICAL-DETECTION | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | SUPPORTED BILAYER | MATERIALS SCIENCE, MULTIDISCIPLINARY | NANOMATERIALS | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | LIPID-MEMBRANES | CHEMISTRY, MULTIDISCIPLINARY | DEPENDENCE | SCATTERING MICROSCOPY | PARTICLE TRACKING | DYNAMICS | MEMBRANE SURFACES | DIFFUSION | Gold - chemistry | Materials Testing - standards | Particle Size | Gold - analysis | Reproducibility of Results | Microscopy, Electron, Transmission - standards | Sensitivity and Specificity | Calibration - standards | Interferometry - standards | Lipid Bilayers - chemistry | Metal Nanoparticles - analysis | Nanoparticles | Multiplexing | Gold | Transmission electron microscopy | Lipids | Calibration | Diffusion | Interferometry
Journal Article
Biophysical Journal, ISSN 0006-3495, 01/2012, Volume 102, Issue 3, pp. 232a - 233a
Journal Article