2016
Diversity of Secondary Structure in Catalytic Peptides with β‑Turn-Biased Sequences
Metrano AJ, Abascal NC, Mercado BQ, Paulson EK, Hurtley AE, Miller SJ. Diversity of Secondary Structure in Catalytic Peptides with β‑Turn-Biased Sequences. Journal Of The American Chemical Society 2016, 139: 492-516. PMID: 28029251, PMCID: PMC5312972, DOI: 10.1021/jacs.6b11348.Peer-Reviewed Original ResearchConceptsPeptide-based catalystsSolid-state structural featuresΒ-turn secondary structureX-ray crystal structureProton chemical shiftsCorresponding solution structuresSymmetry-independent moleculesX-ray crystallographyAccessible transition stateGround state conformationSeries of tetrapeptidesChemical shiftsDifferent peptide sequencesEnantioselective reactionsSecondary structureCatalytic activityBromination reactionSame unit cellCatalytic peptidesTransition stateCrystal structureCatalystState conformationComputational studyConformational equilibriumSolution Structures and Molecular Associations of a Peptide-Based Catalyst for the Stereoselective Baeyer–Villiger Oxidation
Abascal NC, Miller SJ. Solution Structures and Molecular Associations of a Peptide-Based Catalyst for the Stereoselective Baeyer–Villiger Oxidation. Organic Letters 2016, 18: 4646-4649. PMID: 27588823, PMCID: PMC5130343, DOI: 10.1021/acs.orglett.6b02282.Peer-Reviewed Original ResearchConceptsBaeyer-Villiger oxidationPeptide-based catalystsStereoselective Baeyer–Villiger oxidationsCatalytic reactionStereoselective catalystsEffect of additivesSolution conformationCatalystMolecular associationSubstrate-specific interactionsUnique structureSolution structureOxidationStructural analysisAdvantageous featuresSelectivityExperimental observationsPeptidesConformationStructureAdditivesReaction
2015
Site-Selective Reactions with Peptide-Based Catalysts
Giuliano MW, Miller SJ. Site-Selective Reactions with Peptide-Based Catalysts. 2015, 372: 157-201. PMID: 26307403, DOI: 10.1007/128_2015_653.Peer-Reviewed Original Research
2014
Function-oriented investigations of a peptide-based catalyst that mediates enantioselective allylic alcohol epoxidation.
Abascal NC, Lichtor PA, Giuliano MW, Miller SJ. Function-oriented investigations of a peptide-based catalyst that mediates enantioselective allylic alcohol epoxidation. Chemical Science 2014, 5: 4504-4511. PMID: 25386335, PMCID: PMC4224318, DOI: 10.1039/c4sc01440e.Peer-Reviewed Original ResearchCatalyst Control over Regio- and Enantioselectivity in Baeyer–Villiger Oxidations of Functionalized Ketones
Romney DK, Colvin SM, Miller SJ. Catalyst Control over Regio- and Enantioselectivity in Baeyer–Villiger Oxidations of Functionalized Ketones. Journal Of The American Chemical Society 2014, 136: 14019-14022. PMID: 25250713, PMCID: PMC4195385, DOI: 10.1021/ja508757g.Peer-Reviewed Original ResearchConceptsBaeyer-Villiger oxidationPeptide-based catalystsHydrogen bonding interactionsTypes of selectivityParallel kinetic resolutionCatalyst controlFunctionalized KetonesCyclic ketonesFunctional groupsNatural productsComplex moleculesKinetic resolutionAsymmetric processEnantioselectivityRegioKetonesOxidationBroad utilityCatalystCatalysisSelectivityAmidesSynthesisMoleculesProductsX‑ray Crystal Structure of Teicoplanin A2‑2 Bound to a Catalytic Peptide Sequence via the Carrier Protein Strategy
Han S, Le BV, Hajare HS, Baxter RH, Miller SJ. X‑ray Crystal Structure of Teicoplanin A2‑2 Bound to a Catalytic Peptide Sequence via the Carrier Protein Strategy. The Journal Of Organic Chemistry 2014, 79: 8550-8556. PMID: 25147913, PMCID: PMC4168787, DOI: 10.1021/jo501625f.Peer-Reviewed Original ResearchConceptsX-ray crystal structureTeicoplanin A2-2Crystal structurePeptide-based catalystsProtein ligation (IPL) techniqueCatalyst moietyPeptide catalystsComplex crystal structureMolecular arrangementN-methylimidazoleNucleophilic nitrogenObserved selectivitySugar ringCatalystPeptide sequencesT4 lysozymeDerivativesN-acetylglucosaminePhosphorylation reactionMoietyStructureSelectivityProtein strategyA2-2Complexes
2013
Asymmetric Catalysis at a Distance: Catalytic, Site-Selective Phosphorylation of Teicoplanin
Han S, Miller SJ. Asymmetric Catalysis at a Distance: Catalytic, Site-Selective Phosphorylation of Teicoplanin. Journal Of The American Chemical Society 2013, 135: 12414-12421. PMID: 23924210, PMCID: PMC3790668, DOI: 10.1021/ja406067v.Peer-Reviewed Original ResearchConceptsTeicoplanin A2-2Site-selective phosphorylationPeptide-based catalystsSmall-molecule catalystsX-ray crystal structureCatalyst-substrate interactionsSet of catalystsDistinct hydroxyl groupsAsymmetric catalysisCatalytic controlStructural assignmentCatalystTeicoplanin derivativesNatural productsGlycopeptide structuresHydroxyl groupsCrystal structureMass spectrometryMechanistic studiesBiological activityCatalytic moietyAdditional functionalityCatalysisMoietySpectroscopy
2012
Combinatorial evolution of site- and enantioselective catalysts for polyene epoxidation
Lichtor PA, Miller SJ. Combinatorial evolution of site- and enantioselective catalysts for polyene epoxidation. Nature Chemistry 2012, 4: 990-995. PMID: 23174978, PMCID: PMC3506257, DOI: 10.1038/nchem.1469.Peer-Reviewed Original ResearchConceptsPeptide-based catalystsPossible stereochemical outcomesNon-enzymatic catalystsSimilar functional groupsCatalytic functionalizationEnantioselective catalystsChemical synthesisCombinatorial synthesisOxidation catalystAsymmetric oxidationEnzymatic catalysisCatalystEnantioselective oxidationFunctional groupsComplex moleculesStereochemical outcomeEvolution of enzymesSame moleculeOxidationSelectivitySynthesisCombinatorial evolutionMoleculesExhibit siteOnly precedentCatalytic Site-Selective Thiocarbonylations and Deoxygenations of Vancomycin Reveal Hydroxyl-Dependent Conformational Effects
Fowler BS, Laemmerhold KM, Miller SJ. Catalytic Site-Selective Thiocarbonylations and Deoxygenations of Vancomycin Reveal Hydroxyl-Dependent Conformational Effects. Journal Of The American Chemical Society 2012, 134: 9755-9761. PMID: 22621706, PMCID: PMC3374881, DOI: 10.1021/ja302692j.Peer-Reviewed Original ResearchConceptsPeptide-based catalystsForm of vancomycinNew compoundsVancomycin derivativesRational designConformational consequencesCatalystConformational effectsNew analoguesSelectivity profileBiological activityThiocarbonylationDeoxygenationNative structureStructural roleHydroxylCompoundsDerivativesAnaloguesSubstrateStructure