Search Results - "Lewis, Jared C."
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Beyond the Second Coordination Sphere: Engineering Dirhodium Artificial Metalloenzymes To Enable Protein Control of Transition Metal Catalysis
Published in Accounts of chemical research (19-03-2019)“…Conspectus Transition metal catalysis is a powerful tool for chemical synthesis, a standard by which understanding of elementary chemical processes can be…”
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Metallopeptide catalysts and artificial metalloenzymes containing unnatural amino acids
Published in Current opinion in chemical biology (01-04-2015)“…•Metal–peptide hybrids have unique potential for catalysis.•Unnatural amino acids (UAAs) can be used to create novel hybrid catalysts.•Several methods have…”
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Understanding and Improving the Activity of Flavin-Dependent Halogenases via Random and Targeted Mutagenesis
Published in Annual review of biochemistry (20-06-2018)“…Flavin-dependent halogenases (FDHs) catalyze the halogenation of organic substrates by coordinating reactions of reduced flavin, molecular oxygen, and…”
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First and second sphere interactions accelerate non-native N -alkylation catalysis by the thermostable, methanol-tolerant B 12 -dependent enzyme MtaC
Published in Chemical communications (Cambridge, England) (18-04-2023)“…The corrinoid protein MtaC, which is natively involved in methyl transferase catalysis, catalyzes -alkylation of aniline using ethyl diazoacetate. Our results…”
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Engineering a dirhodium artificial metalloenzyme for selective olefin cyclopropanation
Published in Nature communications (24-07-2015)“…Artificial metalloenzymes (ArMs) formed by incorporating synthetic metal catalysts into protein scaffolds have the potential to impart to chemical reactions…”
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Directed Evolution of Flavin-Dependent Halogenases for Site- and Atroposelective Halogenation of 3‑Aryl-4(3H)‑Quinazolinones via Kinetic or Dynamic Kinetic Resolution
Published in Journal of the American Chemical Society (14-09-2022)“…In this study, we engineer a variant of the flavin-dependent halogenase RebH that catalyzes site- and atroposelective halogenation of…”
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Direct Functionalization of Nitrogen Heterocycles via Rh-Catalyzed C−H Bond Activation
Published in Accounts of chemical research (01-08-2008)“…Nitrogen heterocycles are present in many compounds of enormous practical importance, ranging from pharmaceutical agents and biological probes to electroactive…”
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Flavin-dependent halogenases catalyze enantioselective olefin halocyclization
Published in Nature communications (01-06-2021)“…Halocyclization of alkenes is a powerful bond-forming tool in synthetic organic chemistry and a key step in natural product biosynthesis, but catalyzing…”
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Enantioselective Intramolecular CH Amination Catalyzed by Engineered Cytochrome P450 Enzymes In Vitro and In Vivo
Published in Angewandte Chemie International Edition (26-08-2013)“…Nitrogen activation: Though P450 enzymes are masters of oxygen activation and insertion into CH bonds, their ability to use nitrogen for the same purpose has…”
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Late-Stage Diversification of Biologically Active Molecules via Chemoenzymatic C–H Functionalization
Published in ACS catalysis (04-03-2016)“…Engineered variants of rebeccamycin halogenase were used to selectively halogenate a number of biologically active aromatic compounds. Subsequent Pd-catalyzed…”
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Controlling the optical and catalytic properties of artificial metalloenzyme photocatalysts using chemogenetic engineering
Published in Chemical science (Cambridge) (02-02-2022)“…Visible light photocatalysis enables a broad range of organic transformations that proceed via single electron or energy transfer. Metal polypyridyl complexes…”
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Rh(I)-Catalyzed Alkylation of Quinolines and Pyridines via C−H Bond Activation
Published in Journal of the American Chemical Society (02-05-2007)“…The scope of heterocycle ortho-alkylation has been dramatically expanded to include pharmaceutically important pyridines and quinolines, which contain only a…”
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Selective C–H bond functionalization using repurposed or artificial metalloenzymes
Published in Current opinion in chemical biology (01-04-2017)“…•Progress, potential, and challenges facing catalytic CH bond functionalization is discussed.•The reactivity of natural enzymes toward synthetic reagents to…”
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A General Method for Artificial Metalloenzyme Formation through Strain-Promoted Azide-Alkyne Cycloaddition
Published in Chembiochem : a European journal of chemical biology (24-01-2014)“…Strain‐promoted azide–alkyne cycloaddition (SPAAC) can be used to generate artificial metalloenzymes (ArMs) from scaffold proteins containing a…”
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Metal-responsive regulation of enzyme catalysis using genetically encoded chemical switches
Published in Nature communications (06-04-2022)“…Dynamic control over protein function is a central challenge in synthetic biology. To address this challenge, we describe the development of an integrated…”
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Rh(I)-Catalyzed Arylation of Heterocycles via C−H Bond Activation: Expanded Scope through Mechanistic Insight
Published in Journal of the American Chemical Society (27-02-2008)“…A practical, functional group tolerant method for the Rh-catalyzed direct arylation of a variety of pharmaceutically important azoles with aryl bromides is…”
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Rh(I)-Catalyzed Direct Arylation of Pyridines and Quinolines
Published in Journal of the American Chemical Society (12-11-2008)“…A Rh(I)-catalyzed direct arylation of pyridine and quinoline heterocycles has been developed. The method provides rapid entry into an important class of…”
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Controlling Non-Native Cobalamin Reactivity and Catalysis in the Transcription Factor CarH
Published in ACS catalysis (21-01-2022)“…Vitamin B12 derivatives catalyze a wide range of organic transformations, but B12-dependent enzymes are underutilized in biocatalysis relative to other…”
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Site-Selective C–H Halogenation Using Flavin-Dependent Halogenases Identified via Family-Wide Activity Profiling
Published in ACS central science (27-11-2019)“…Enzymes are powerful catalysts for site-selective C–H bond functionalization. Identifying suitable enzymes for this task and for biocatalysis in general…”
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Di-Palladium Complexes are Active Catalysts for Mono-N-Protected Amino Acid-Accelerated Enantioselective C–H Functionalization
Published in ACS catalysis (06-12-2019)“…The role of mono-protected amino acid (MPAA) ligands in accelerating enantioselective cyclopalladation and palladium-catalyzed C–H functionalization was…”
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