Search Results - "Frasch, Wayne D."
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Protonation-dependent stepped rotation of the F-type ATP synthase c-ring observed by single-molecule measurements
Published in The Journal of biological chemistry (13-10-2017)“…The two opposed rotary molecular motors of the F0F1-ATP synthase work together to provide the majority of ATP in biological organisms. Rotation occurs in 120°…”
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Elastic coupling power stroke mechanism of the F₁-ATPase molecular motor
Published in Proceedings of the National Academy of Sciences - PNAS (29-05-2018)“…The angular velocity profile of the 120° F₁-ATPase power stroke was resolved as a function of temperature from 16.3 to 44.6 °C using a ΔμATP = −31.25 k B T at…”
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F1FO ATP synthase molecular motor mechanisms
Published in Frontiers in microbiology (23-08-2022)“…The F-ATP synthase, consisting of F 1 and F O motors connected by a central rotor and the stators, is the enzyme responsible for synthesizing the majority of…”
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pH-dependent 11° F1FO ATP synthase sub-steps reveal insight into the FO torque generating mechanism
Published in eLife (31-12-2021)“…Most cellular ATP is made by rotary F 1 F O ATP synthases using proton translocation-generated clockwise torque on the F O c-ring rotor, while F 1 -ATP…”
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Anatomy of F1-ATPase powered rotation
Published in Proceedings of the National Academy of Sciences - PNAS (11-03-2014)“…F1-ATPase, the catalytic complex of the ATP synthase, is a molecular motor that can consume ATP to drive rotation of the γ-subunit inside the ring of three…”
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Structural Asymmetry and Kinetic Limping of Single Rotary F-ATP Synthases
Published in Molecules (Basel, Switzerland) (30-01-2019)“…F-ATP synthases use proton flow through the F domain to synthesize ATP in the F₁ domain. In , the enzyme consists of rotor subunits γε and stator subunits…”
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Direct observation of stepped proteolipid ring rotation in E. coli FoF1-ATP synthase
Published in The EMBO journal (01-12-2010)“…Although single‐molecule experiments have provided mechanistic insight for several molecular motors, these approaches have proved difficult for membrane bound…”
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Power Stroke Angular Velocity Profiles of Archaeal A-ATP Synthase Versus Thermophilic and Mesophilic F-ATP Synthase Molecular Motors
Published in The Journal of biological chemistry (02-12-2016)“…The angular velocities of ATPase-dependent power strokes as a function of the rotational position for the A-type molecular motor A3B3DF, from the…”
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Eukaryotic yeast V1-ATPase rotary mechanism insights revealed by high-resolution single-molecule studies
Published in Frontiers in molecular biosciences (19-03-2024)“…Vacuolar ATP-dependent proton pumps (V-ATPases) belong to a super-family of rotary ATPases and ATP synthases. The V 1 complex consumes ATP to drive rotation of…”
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Fo-driven Rotation in the ATP Synthase Direction against the Force of F1 ATPase in the FoF1 ATP Synthase
Published in The Journal of biological chemistry (24-04-2015)“…Living organisms rely on the FoF1 ATP synthase to maintain the non-equilibrium chemical gradient of ATP to ADP and phosphate that provides the primary energy…”
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ΩqPCR measures telomere length from single-cells in base pair units
Published in Nucleic acids research (18-11-2021)“…Abstract ΩqPCR determines absolute telomere length in kb units from single cells. Accuracy and precision of ΩqPCR were assessed using 800 bp and 1600 bp…”
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Microsecond resolution of single-molecule rotation catalyzed by molecular motors
Published in Methods in molecular biology (Clifton, N.J.) (01-01-2011)“…Single-molecule measurements of rotation catalyzed by the F(1)-ATPase or the F(o)F(1) ATP synthase have provided new insights into the molecular mechanisms of…”
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Elastic coupling power stroke mechanism of the F 1 -ATPase molecular motor
Published in Proceedings of the National Academy of Sciences - PNAS (29-05-2018)“…The angular velocity profile of the 120° F -ATPase power stroke was resolved as a function of temperature from 16.3 to 44.6 °C using a Δμ = -31.25 at a time…”
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Determination of torque generation from the power stroke of Escherichia coli F1-ATPase
Published in Biochimica et biophysica acta (01-07-2008)“…The torque generated by the power stroke of Escherichia coli F1-ATPase was determined as a function of the load from measurements of the velocity of the…”
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Direct observation of stepped proteolipid ring rotation in E. coli F o F 1 -ATP synthase
Published in The EMBO journal (01-12-2010)Get full text
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Single Molecule Measurements of F1-ATPase Reveal an Interdependence between the Power Stroke and the Dwell Duration
Published in Biochemistry (Easton) (25-08-2009)“…Increases in the power stroke and dwell durations of single molecules of Escherichia coli F1-ATPase were measured in response to viscous loads applied to the…”
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Electron Spin Echo Envelope Modulation Spectroscopy Reveals and Distinguishes Equatorial and Axial Nitrogen Ligands Bound to VO2
Published in Journal of the American Chemical Society (13-05-1998)“…ESEEM (electron spin echo envelope modulation) spectra of a series of vanadyl complexes have for the first time revealed the spectral features that arise from…”
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Padlock probe-mediated qRT-PCR for DNA computing answer determination
Published in Natural computing (01-06-2011)“…Padlock probe-mediated quantitative real time PCR (PLP-qRT-PCR) was adapted to quantify the abundance of sequential 10mer DNA sequences for use in DNA…”
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The participation of metals in the mechanism of the F1-ATPase
Published in Biochimica et biophysica acta. Bioenergetics (31-05-2000)Get full text
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Abundance of Escherichia coli F1-ATPase molecules observed to rotate via single-molecule microscopy with gold nanorod probes
Published in Journal of bioenergetics and biomembranes (01-12-2007)“…The abundance of E. coli F1-ATPase molecules observed to rotate using gold nanorods attached to the gamma-subunit was quantitated. Individual F1 molecules were…”
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