Search Results - "Woodcock, H"
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Characterization and engineering of a plastic-degrading aromatic polyesterase
Published in Proceedings of the National Academy of Sciences - PNAS (08-05-2018)“…Poly(ethylene terephthalate) (PET) is one of the most abundantly produced synthetic polymers and is accumulating in the environment at a staggering rate as…”
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2
Characterization and engineering of a two-enzyme system for plastics depolymerization
Published in Proceedings of the National Academy of Sciences - PNAS (13-10-2020)“…Plastics pollution represents a global environmental crisis. In response, microbes are evolving the capacity to utilize synthetic polymers as carbon and energy…”
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3
Convergence of single-step free energy perturbation
Published in Molecular physics (18-06-2017)“…The convergence of free energy perturbation (Zwanzig's equation) and its non-equilibrium extension (Jarzynski's equation) is herein investigated from a…”
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The Good, the Bad, and the Ugly: "HiPen", a New Dataset for Validating (S)QM/MM Free Energy Simulations
Published in Molecules (Basel, Switzerland) (14-02-2019)“…Indirect (S)QM/MM free energy simulations (FES) are vital to efficiently incorporating sufficient sampling and accurate (QM) energetic evaluations when…”
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Exploring Routes to Enhance the Calculation of Free Energy Differences via Non-Equilibrium Work SQM/MM Switching Simulations Using Hybrid Charge Intermediates between MM and SQM Levels of Theory or Non-Linear Switching Schemes
Published in Molecules (Basel, Switzerland) (10-05-2023)“…Non-equilibrium work switching simulations and Jarzynski's equation are a reliable method for computing free energy differences, ΔAlow→high, between two levels…”
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Optimizing the Calculation of Free Energy Differences in Nonequilibrium Work SQM/MM Switching Simulations
Published in The journal of physical chemistry. B (21-04-2022)“…A key step during indirect alchemical free energy simulations using quantum mechanical/molecular mechanical (QM/MM) hybrid potential energy functions is the…”
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Mechanism of proton transfer in class A β-lactamase catalysis and inhibition by avibactam
Published in Proceedings of the National Academy of Sciences - PNAS (17-03-2020)“…Gram-negative bacteria expressing class A β-lactamases pose a serious health threat due to their ability to inactivate all β-lactam antibiotics. The…”
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Accelerating QM/MM Free Energy Computations via Intramolecular Force Matching
Published in Journal of chemical theory and computation (11-12-2018)“…The calculation of free energy differences between levels of theory has numerous potential pitfalls. Chief among them is the lack of overlap, i.e., ensembles…”
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Use of Nonequilibrium Work Methods to Compute Free Energy Differences Between Molecular Mechanical and Quantum Mechanical Representations of Molecular Systems
Published in The journal of physical chemistry letters (03-12-2015)“…Carrying out free energy simulations (FES) using quantum mechanical (QM) Hamiltonians remains an attractive, albeit elusive goal. Renewed efforts in this area…”
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Use of Interaction Energies in QM/MM Free Energy Simulations
Published in Journal of chemical theory and computation (13-08-2019)“…The use of the most accurate (i.e., QM or QM/MM) levels of theory for free energy simulations (FES) is typically not possible. Primarily, this is because the…”
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Multiscale Free Energy Simulations: An Efficient Method for Connecting Classical MD Simulations to QM or QM/MM Free Energies Using Non-Boltzmann Bennett Reweighting Schemes
Published in Journal of chemical theory and computation (08-04-2014)“…The reliability of free energy simulations (FES) is limited by two factors: (a) the need for correct sampling and (b) the accuracy of the computational method…”
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12
Disruption of an Active Site Network Leads to Activation of C2α-Lactylthiamin Diphosphate on the Antibacterial Target 1‑Deoxy‑d‑xylulose-5-phosphate Synthase
Published in Biochemistry (Easton) (05-03-2024)“…The bacterial metabolic enzyme 1-deoxy-d-xylulose-5-phosphate synthase (DXPS) catalyzes the thiamin diphosphate (ThDP)-dependent formation of DXP from pyruvate…”
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EDTA functionalized silica for removal of Cu(II), Zn(II) and Ni(II) from aqueous solution
Published in Journal of colloid and interface science (15-10-2013)“…[Display omitted] •EDTA grafted silica was prepared and used as an adsorbent for Cu(II), Zn(II) and NI(II).•Adsorption of heavy metals followed pseudo-second…”
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Disaggregation is a Mechanism for Emission Turn-On of ortho-Aminomethylphenylboronic Acid-Based Saccharide Sensors
Published in Journal of the American Chemical Society (19-04-2017)“…ortho-Aminomethylphenylboronic acid-based receptors with appended fluorophores are commonly used as molecular sensors for saccharides in aqueous media. The…”
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15
Reweighting from Molecular Mechanics Force Fields to the ANI-2x Neural Network Potential
Published in Journal of chemical theory and computation (09-04-2024)“…To achieve chemical accuracy in free energy calculations, it is necessary to accurately describe the system’s potential energy surface and efficiently sample…”
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Not Drug-like, but Like Drugs: Cnidaria Natural Products
Published in Marine drugs (30-12-2021)“…Phylum Cnidaria has been an excellent source of natural products, with thousands of metabolites identified. Many of these have not been screened in bioassays…”
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Force matching as a stepping stone to QM/MM CB[8] host/guest binding free energies: a SAMPL6 cautionary tale
Published in Journal of computer-aided molecular design (01-10-2018)“…Use of quantum mechanical/molecular mechanical (QM/MM) methods in binding free energy calculations, particularly in the SAMPL challenge, often fail to achieve…”
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Interfacing Q-Chem and CHARMM to perform QM/MM reaction path calculations
Published in Journal of computational chemistry (15-07-2007)“…A hybrid quantum mechanical/molecular mechanical (QM/MM) potential energy function with Hartree‐Fock, density functional theory (DFT), and post‐HF (RIMP2, MP2,…”
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CIFDock: A novel CHARMM‐based flexible receptor–flexible ligand docking protocol
Published in Journal of computational chemistry (15-01-2022)“…Docking studies play a critical role in the current workflow of drug discovery. However, limitations may often arise through factors including inadequate…”
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Ligand-Induced Proton Transfer and Low-Barrier Hydrogen Bond Revealed by X‑ray Crystallography
Published in Journal of the American Chemical Society (01-07-2015)“…Ligand binding can change the pK a of protein residues and influence enzyme catalysis. Herein, we report three ultrahigh resolution X-ray crystal structures of…”
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