Search Results - "Tippmann, Eric M."
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A Critical Examination of Escherichia coli Esterase Activity
Published in The Journal of biological chemistry (16-10-2009)“…The ability of Escherichia coli to grow on a series of acetylated and glycosylated compounds has been investigated. It is surmised that E. coli maintains low…”
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In-frame amber stop codon replacement mutagenesis for the directed evolution of proteins containing non-canonical amino acids: identification of residues open to bio-orthogonal modification
Published in PloS one (26-05-2015)“…Expanded genetic code approaches are a powerful means to add new and useful chemistry to proteins at defined residues positions. One such use is the…”
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Genetically Encoded Diazirine Photocrosslinker in Escherichia coli
Published in Chembiochem : a European journal of chemical biology (17-12-2007)“…Directed evolution. An orthogonal amber suppressor tRNA/aminoacyl–tRNA synthetase pair was evolved that allows the site‐specific incorporation of…”
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Advances in the mechanism and understanding of site-selective noncanonical amino acid incorporation
Published in Current opinion in structural biology (01-08-2011)“…► Important topics in NAA biological chemistry are: chemical functionality, fidelity, and efficiency. ► Tyrosyl and pyrrolysyl enzymes are amendable to an…”
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Importance of single molecular determinants in the fidelity of expanded genetic codes
Published in Proceedings of the National Academy of Sciences - PNAS (25-01-2011)“…The site-selective encoding of noncanonical amino acids (NAAs) is a powerful technique for the installation of novel chemical functional groups in proteins…”
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Residue choice defines efficiency and influence of bioorthogonal protein modification via genetically encoded strain promoted Click chemistry
Published in Chemical communications (Cambridge, England) (28-08-2012)“…GFP and a FRET compatible dye were used to assess the influence of genetically encoded aryl azide positioning on Click chemistry-based protein conjugation…”
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Correction to: Genetically encoded photochemical covalent crosslinking within the Hcp-1 self-assembling bacterial secretion machinery
Published in Amino acids (01-03-2019)“…The authors declare that the contributing author, Antonczak A.K., had no active academic address at or after the time of publication…”
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Genetically encoded photochemical covalent crosslinking within the Hcp-1 self-assembling bacterial secretion machinery
Published in Amino acids (01-05-2018)“…The target protein, Hcp1, was first described as part of the bacterial Type VI secretion system from Pseudomonas aeruginosa. The protein first self-assembles…”
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Probing Eudesmane Cation−π Interactions in Catalysis by Aristolochene Synthase with Non-canonical Amino Acids
Published in Journal of the American Chemical Society (07-09-2011)“…Stabilization of the reaction intermediate eudesmane cation (3) through interaction with Trp 334 during catalysis by aristolochene synthase from Penicillium…”
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Different Photochemical Events of a Genetically Encoded Phenyl Azide Define and Modulate GFP Fluorescence
Published in Angewandte Chemie International Edition (03-06-2013)“…Expanding the genetic code opens new avenues to modulate protein function in real time. By genetically incorporating photoreactive phenyl azide, the…”
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Directed evolution of GFP with non-natural amino acids identifies residues for augmenting and photoswitching fluorescence
Published in Chemical science (Cambridge) (01-02-2015)“…Genetic code reprogramming allows proteins to sample new chemistry through the defined and targeted introduction of non-natural amino acids (nAAs). Many useful…”
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Aryl Azide Photochemistry in Defined Protein Environments
Published in Organic letters (15-02-2013)“…A genetically encoded precursor to an aryl nitrene, para-azidophenylalanine, was introduced site specifically into proteins to deduce if distinct environments…”
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A genetically encoded metallocene containing amino acid
Published in Tetrahedron (02-07-2007)“…Redox active amino acids, cofactors, and metal ions are involved in a large number of catalytic, electron transfer, and regulatory processes in biology…”
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Expanded chemical diversity sampling through whole protein evolution
Published in Molecular bioSystems (01-01-2009)“…A directed evolution method has been developed that allows random substitution of a contiguous trinucleotide sequence for TAG throughout a target gene for use…”
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Weinreb Amides in Carbene Chemistry: A Time-Resolved IR Investigation into a Potential Intramolecular Stabilization Mechanism
Published in Organic letters (15-10-2010)“…A chloromethylhydroxamiccarbene was generated photochemically in an attempt to form an intramolecularly stabilized carbene. A rapidly formed intermediate at…”
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Synthesis of bioorthogonal and crosslinking amino acids for use in peptide synthesis
Published in Amino acids (01-11-2010)“…The ability to incorporate non-canonical amino acids into proteins by genetic or chemical methods allows one to introduce novel chemical properties into a…”
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Evidence for Specific Solvation of Two Halocarbene Amides
Published in Journal of the American Chemical Society (12-05-2004)“…Laser flash photolysis (LFP, 308 nm) of endo-10-halo-10‘-N,N-dimethylcarboxamidetricyclo[4.3.1.0]-deca-2,4-diene (1Cl and 1F) releases indan and halocarbene…”
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Laser Flash Photolysis Study of Chlorofluorocarbene
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-10-2003)“…10-exo-Fluoro-10‘-endo-chlorotricylco[4.3.1.0 , ]decadiene-2,4 (1) was synthesized. Continuous photolysis of 1 (300 nm) generates chlorofluorocarbene 2, which…”
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Generation and Characterization of New Fluoro-Substituted Carbenes
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (12-02-2004)“…Singlet fluorocarbenes substituted with diphenylphosphanyl, phenylsulfanyl, and trimethylsilyl groups were generated upon photolysis of the corresponding…”
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