C. Unkefer

发表

Haloalkane dehalogenases: steady-state kinetics and halide inhibition.

J. F. Schindler, P. A. Naranjo, D. A. Honaberger, 1999, Biochemistry.

Review of the algal biology program within the National Alliance for Advanced Biofuels and Bioproducts

Joshua S. Yuan, Ian K. Blaby, Daniel B. Anderson, 2017 .

Neutron diffraction studies towards deciphering the protonation state of catalytic residues in the bacterial KDN9P phosphatase.

Andreas Ostermann, Karen N. Allen, Clifford J Unkefer, 2013, Acta crystallographica. Section F, Structural biology and crystallization communications.

Biosynthesis of the antibiotic thiostrepton. Methylation of tryptophan in the formation of the quinaldic acid moiety by transfer of the methionine methyl group with net retention of configuration

C. Unkefer, T. Frenzel, D. O'Hagan, 1989 .

Tunable Riboregulator Switches for Post-transcriptional Control of Gene Expression.

Taraka Dale, Karissa Y Sanbonmatsu, Clifford J Unkefer, 2015, ACS synthetic biology.

Structure of Methylobacterium extorquens malyl-CoA lyase: CoA-substrate binding correlates with domain shift.

Ricardo Martí-Arbona, C. Unkefer, J. Chen, 2017, Acta crystallographica. Section F, Structural biology communications.

Biogenesis of pyrroloquinoline quinone from 3C-labeled tyrosine.

C. Unkefer, T. Sosnick, D. Houck, 1995, Methods in enzymology.

Biotransformation and Excretion: In Vivo Studies Utilizing Stable Isotopes and Nuclear Magnetic Resonance

C. Unkefer, 1986, Journal of clinical pharmacology.

Automated genomic context analysis and experimental validation platform for discovery of prokaryote transcriptional regulator functions

Ricardo Martí-Arbona, C. Unkefer, Fangping Mu, 2014, BMC Genomics.

13C and 15N nuclear magnetic resonance evidence of the ionization state of substrates bound to bovine dihydrofolate reductase.

C. Unkefer, R. London, Raymond L. Blakley, 1990, Biochemistry.

Intestinal Absorption and Tissue Distribution of [14C]Pyrroloquinoline Quinone in Mice

C. Unkefer, R. Rucker, D. Houck, 1991, Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine.

PQQ: Biosynthetic studies inMethylobacterium AM1 andHyphomicrobium X using specific13C labeling and NMR

C. Unkefer, J. Duine, D. Houck, 1989, Antonie van Leeuwenhoek.

Excretion and metabolism of 1-nitropyrene in rats after oral or intraperitoneal administration.

W. Bechtold, C. Unkefer, J. Dutcher, 1985, Fundamental and applied toxicology : official journal of the Society of Toxicology.

National Alliance for Advanced Biofuels and Bio-Products Final Technical Report

Gary D. Stormo, Matteo Pellegrini, Kimberly L Ogden, 2014 .

On the biosynthetic origin of methoxymalonyl-acyl carrier protein, the substrate for incorporation of "glycolate" units into ansamitocin and soraphen A.

C. Unkefer, R. Müller, S. Wenzel, 2006, Journal of the American Chemical Society.

Tetrakis(5‐tert‐Butyl‐2‐Hydroxyphenyl)Ethene

C. Unkefer, J. Stryker, Mee-kyung Chung, 2014 .

Relationship of Exo-β-d-Galactofuranosidase Kinetic Parameters to the Number of Phosphodiesters in Penicillium fellutanum Peptidophosphogalactomannan: Enzyme Purification and Kinetics of Glycopeptide and Galactofuran Chain Hydrolysis

C. Unkefer, Y. Park, J. Gander, 2001, Applied and Environmental Microbiology.

Neutron and high-resolution room-temperature X-ray data collection from crystallized lytic polysaccharide monooxygenase.

C. Unkefer, J. Bacik, J. Nix, 2015, Acta crystallographica. Section F, Structural biology communications.

A combination of inadequate and carbon-13 saturation for spectral implification

C. Unkefer, W. Earl, 1985 .

Pig liver fatty acid synthetase: purification and physicochemical properties.

C. Unkefer, W. Deal, I. C. Kim, 1977, Archives of biochemistry and biophysics.

A comprehensive approach for accurate measurement of proton-proton coupling constants in the sugar ring of DNA.

C. Unkefer, M. Kennedy, N. Isern, 2000, Journal of magnetic resonance.

The assignment of carbonyl resonances in 13C-n.m.r. spectra of peracetylated mono- and oligo-saccharides containing D-glucose and D-mannose: an alternative method for structural determination of complex carbohydrates.

C. Unkefer, W. Goux, 1987, Carbohydrate research.

Molecular hydrogen complexes. 5. Electronic control of .eta.2-H2 vs. dihydride coordination. Dihydride structure of MoH2(CO)(R2PC2H4PR2)2 for R = Et, iso-Bu versus .eta.2-H2 for R = Ph

C. Unkefer, G. Kubas, R. Ryan, 1987 .

Molecular hydrogen complexes of the transition metals. 4. Preparation and characterization of M(CO)3(PR3)2(.eta.2-H2) (M = molybdenum, tungsten) and evidence for equilibrium dissociation of the H-H bond to give MH2(CO)3(PR3)2

C. Unkefer, B. Swanson, G. Kubas, 1986 .

Neutron and Atomic Resolution X-ray Structures of a Lytic Polysaccharide Monooxygenase Reveal Copper-Mediated Dioxygen Binding and Evidence for N-Terminal Deprotonation.

C. Unkefer, J. Bacik, J. Nix, 2017, Biochemistry.

Studies on the biosynthesis of paraherquamide. Construction of the amino acid framework

Robert M. Williams, C. Unkefer, J. F. Sanz-Cervera, 2001 .

Synthesis of isotopically labeled 1,3-dithiane.

C. Unkefer, David R. Glass, M. Álvarez, 2014, Journal of labelled compounds & radiopharmaceuticals.

Synthesis of the First Examples of Transition Metal .eta.2-SiH4 Complexes, cis-Mo(.eta.2-SiH4)(CO)(R2PC2H4PR2)2, and Evidence for an Unprecedented Tautomeric Equilibrium between an .eta.2-SiH4 Complex and a Hydridosilyl Species: A Model for Methane Coordination and Activation

C. Unkefer, G. Kubas, J. Bryan, 1995 .

.eta.2-Coordination of Si-H .sigma. Bonds to Transition-Metal Fragments That Also Bind .eta.2-Dihydrogen Ligands and Agostic C-H Bonds: Synthesis and Characterization of .eta.2-Silane Complexes cis-Mo(.eta.2-H-SiHR'2)(CO)(R2PC2H4PR2)2

C. Unkefer, G. Kubas, J. Bryan, 1994 .

Stereoselective synthesis of stable isotope-labeled L-α-amino acids: enantioselective synthesis of 13C-, 15N-labeled L-proline using Oppolzer's glycine template

C. Unkefer, S. N. Lodwig, 1998 .

Stereoselective synthesis of stable isotope‐labeled L‐α‐amino acids: Electrophilic amination of Oppolzer's acyl sultams in the synthesis of L‐[15N]alanine, L‐[15N]valine, L‐[15N]leucine, L‐[15N]phenylalanine and L‐[1‐13C, 15N]valine

C. Unkefer, S. N. Lodwig, 1996 .

Synthesis of 1-chloro-1-[15N]nitrosocyclohexane, an electrophilic aminating reagent

C. Unkefer, L. Silks, S. N. Lodwig, 1996 .

Reliable assignment of absolute configuration of chiral amines based on the analysis of 1H NMR spectra of their CFTA amide diastereomers

C. Unkefer, Y. Takéuchi, S. N. Lodwig, 2008 .

Neutron structure and inelastic-neutron-scattering and theoretical studies of molybdenum complex Mo(CO)(H2)[(C6D5)2PC2H4P(C6D5)2]2.cntdot.4.5C6D6, a complex with an extremely low barrier to hydrogen rotation. Implications on the reaction coordinate for H-H cleavage to dihydride

G. K. Khalsa, S. A. Jackson, C. Unkefer, 1993 .

The CFTA method: a reliable procedure for the determination of the absolute configuration of chiral primary amines by 1H NMR spectroscopic analysis.

C. Unkefer, Y. Takéuchi, S. N. Lodwig, 2006, Angewandte Chemie.

Studies on the Biosynthesis of Paraherquamide. Construction of the Amino Acid Framework.

Robert M. Williams, C. Unkefer, J. F. Sanz-Cervera, 2001 .

Studies on the biosynthesis of paraherquamide A. Origin of the {beta}-methylproline ring

Robert M. Williams, C. Unkefer, J. F. Sanz-Cervera, 1996 .

Experimental and Theoretical Studies of Bonding and Oxidative Addition of Germanes and Silanes, EH4-nPhn (E = Si, Ge; n = 0−3), to Mo(CO)(diphosphine)2. The First Structurally Characterized Germane σ Complex

B. Scott, C. Unkefer, R. Butcher, 2003 .

CD-n.m.r. study of the solution conformation of bradykinin analogs containing alpha-aminoisobutyric acid.

J. Cann, C. Unkefer, R. London, 2009, International journal of peptide and protein research.

On the origin of the hyperfine structure in the photoinduced EPR spectrum of [Pt(en)2]Pt(en)2Cl2](ClO4)4

S. C. Huckett, C. Unkefer, B. Swanson, 1992 .

The Synthesis of Carbon-13 Enriched Monosaccharides Derived from Glucose and Mannose

C. Unkefer, D. S. Ehler, T. E. Walker, 1988 .

The 5-O-beta-D-galactofuranosyl-containing peptidophosphogalactomannan of Penicillium charlesii. Characterization of the mannan by 13C NMR spectroscopy.

C. Unkefer, J. Gander, 1990, Journal of Biological Chemistry.

The 5-O-beta-D-galactofuranosyl-containing glycopeptide from Penicillium charlesii. Identification of phosphocholine attached to C-6 of mannopyranosyl residues of the mannan region.

C. Unkefer, J. Gander, C. Jackson, 1982, The Journal of biological chemistry.

Toward Understanding the Structure, Biosynthesis, and Function of a Membrane-Bound Fungal Glycopeptide: Biosynthetic Studies

C. Unkefer, J. Beachy, J. Gander, 1980 .

The 5-O-beta-D-galactofuranosyl-containing glycopeptide from Penicillium charlesii. Carbon 13 nuclear magnetic resonance studies.

C. Unkefer, J. Gander, 1979, The Journal of biological chemistry.

Secondary Ions Form by Recombination as Demonstrated Using Multi-Isotope Mass Spectrometry of 13 C-and 15 N-Labeled Polyglycine

C. Unkefer, C. Lechene, G. McMahon, 2006 .

Conformational changes on substrate binding revealed by structures of Methylobacterium extorquens malate dehydrogenase.

Ricardo Martí-Arbona, C. Unkefer, J. Chen, 2018, Acta crystallographica. Section F, Structural biology communications.

Poly(gamma-glutamylcysteinyl)glycine: its role in cadmium resistance in plant cells.

P. Jackson, C. Unkefer, N. Robinson, 1987, Proceedings of the National Academy of Sciences of the United States of America.

Improvements for measuring 1H-1H coupling constants in DNA via new stripe-COSY and superstripe-COSY pulse sequences combined with a novel strategy of selective deuteration.

C. Unkefer, M. Kennedy, N. Isern, 1997, Journal of magnetic resonance.

Synthesis of 2-deoxy-D-arabino-(6-13C)hexose.

C. Unkefer, D. S. Ehler, T. E. Walker, 1988, Carbohydrate research.

Biosynthesis of pyrroloquinoline quinone. 1. Identification of biosynthetic precursors using carbon-13 labeling and NMR spectroscopy

C. Unkefer, D. Houck, J. Hanners, 1988 .

Stereoselective synthesis of L‐[4‐13C]carnitine

C. Unkefer, D. S. Ehler, 1991 .

Carbon-13 and proton NMR analysis of isotopically labeled benzo[a]pyrenes

T. W. Whaley, C. Unkefer, R. London, 1983 .

The Role of the Buried Aspartate of Escherichia coliThioredoxin in the Activation of the Mixed Disulfide Intermediate*

C. Unkefer, D. LeMaster, D M LeMaster, 1997, The Journal of Biological Chemistry.

Stereoselective Synthesis of Stable Isotope Labeled L-α-Amino Acids: Synthesis of L−[4−13C] and L−[3,4−13C2]Aspartic Acid

C. Unkefer, S. N. Lodwig, 1992 .

Troponin I inhibitory peptide (96-115) has an extended conformation when bound to skeletal muscle troponin C.

D. Blumenthal, J. Trewhella, C. Unkefer, 1999, Biochemistry.

Prediction of oxidoreductase-catalyzed reactions based on atomic properties of metabolites

Fangping Mu, William S. Hlavacek, Clifford J. Unkefer, 2006, Bioinform..

Joint neutron crystallographic and NMR solution studies of Tyr residue ionization and hydrogen bonding: Implications for enzyme-mediated proton transfer

C. Unkefer, J. Bacik, R. Michalczyk, 2015, Proceedings of the National Academy of Sciences.

Biosynthesis of pyrroloquinoline quinone. 2. Biosynthetic assembly from glutamate and tyrosine

C. Unkefer, D. Houck, J. Hanners, 1991 .

13 C and 1 H NMR Studies of PQQ and Selected Derivatives

C. Unkefer, D. Houck, 1989 .

Precise Genomic Riboregulator Control of Metabolic Flux in Microbial Systems

C. Unkefer, C. Lo, Taraka T. Dale, 2022, ACS synthetic biology.

Reconstruction of Metabolic Networks from High‐Throughput Metabolite Profiling Data

Ilya Nemenman, William S Hlavacek, Michael E Wall, 2007, Annals of the New York Academy of Sciences.

In vivo studies of pyridine nucleotide metabolism in Escherichia coli and Saccharomyces cerevisiae by carbon-13 NMR spectroscopy.

C. Unkefer, R. London, 1984, The Journal of biological chemistry.

Protein structures by spallation neutron crystallography

B. Schoenborn, P. Adams, C. Unkefer, 2008, Journal of synchrotron radiation.

In-vitro Characterization of an L-Kynurenine-Responsive Transcription Regulator of the Oxidative Tryptophan Degradation Pathway in Burkholderia xenovorans

Ricardo Martí-Arbona, C. Unkefer, Fangping Mu, 2013 .

Direct infrared detection of the covalently ring linked His-Tyr structure in the active site of the heme-copper oxidases.

R. Gennis, C. Unkefer, R. Dyer, 2002, Biochemistry.

Stereoselective synthesis of stable isotope-labeled L-α-amino acids: Biosynthesis of 2H-, 13C-, and 15N-labeled L-serines

C. Unkefer, M. Álvarez, R. Gibson, 1991 .

Stereoselective synthesis of stable isotope‐labeled L‐α‐amino acids: Chemomicrobiological synthesis of L‐[β‐13C]‐, L‐[2′‐13C]‐, and L‐[1′15N]tryptophan

C. Unkefer, R. Gibson, D. S. Ehler, 1991 .

Stereoselective synthesis of stable isotope-labeled L-α-amino acids: Chemomicrobiological synthesis of 13C- and 2H-labeled L-cysteine

C. Unkefer, D. S. Ehler, J. Hanners, 1991 .

Fifteen years of the Protein Crystallography Station: the coming of age of macromolecular neutron crystallography

C. Unkefer, J. Chen, 2017, IUCrJ.

Carbon-fate maps for metabolic reactions

Fangping Mu, William S. Hlavacek, Robert F. Williams, 2007, Bioinform..

Identification and In-vivo Characterization of a Novel OhrR Transcriptional Regulator in Burkholderia xenovorans LB400

Ricardo Martí-Arbona, C. Unkefer, J. Dunbar, 2013 .

Large-scale preparation of (13) C-labeled 2-(phenylthio)acetic acid and the corresponding labeled sulfoxides and sulfones.

C. Unkefer, David R. Glass, M. Álvarez, 2013, Journal of labelled compounds & radiopharmaceuticals.

Molecular hydrogen complexes of the transition metals. 7. Kinetics and thermodynamics of the interconversion between dihydride and dihydrogen forms of W(CO)3(PR3)2H2 where R = isopropyl and cyclopentyl

G. K. Khalsa, C. Unkefer, G. Kubas, 1990 .

In vivo determination of the pyridine nucleotide reduction charge by carbon-13 nuclear magnetic resonance spectroscopy.

C. Unkefer, R. London, R. Blazer, 1983, Science.

Prediction of metabolic reactions based on atomic and molecular properties of small-molecule compounds

Fangping Mu, William S. Hlavacek, Clifford J. Unkefer, 2011, Bioinform..

Biosynthesis of PQQ

C. Unkefer, 2020 .

Dialysis against a Solution Containing 50 Mm Na 2 so 4 and 1 Mm Edta, with the Ph Adjusted to 8.2, Using 1 N H 2 so 4

T C Terwilliger, J. Newman, T. Peat, 1999 .

The use of stable isotope labelling for the analytical chemistry of drugs.

Clifford J Unkefer, C. Unkefer, Rodolfo A Martinez, 2012, Drug testing and analysis.

Membrane perturbing properties of toxin mycolactone from Mycobacterium ulcerans

Basil I. Swanson, S. Gnanakaran, Clifford J. Unkefer, 2018, PLoS Comput. Biol..

Hydrogen-1 and carbon-13 nuclear magnetic resonance conformational studies of the His-Pro peptide bond: conformational behavior of TRH.

C. Unkefer, R. London, R. Walker, 2009, International journal of peptide and protein research.

A reinvestigation of the synthesis of [15N2]hydroxymethylimidazole: Useful in an improved synthesis of (D,L)‐[τ,π‐15N2]histidine

C. Unkefer, J. Sudmeier, W. Bachovchin, 1995 .

CN− secondary ions form by recombination as demonstrated using multi-isotope mass spectrometry of 13C- and 15N-labeled polyglycine

C. Unkefer, C. Lechene, G. McMahon, 2006, Journal of the American Society for Mass Spectrometry.

Producing Glucose 6-Phosphate from Cellulosic Biomass

Timothy A. Whitehead, Justin R. Klesmith, L. Jarboe, 2015, The Journal of Biological Chemistry.

Identification of New Ligands for the Methionine Biosynthesis Transcriptional Regulator (MetJ) by FAC-MS

Ricardo Martí-Arbona, C. Unkefer, Munehiro Teshima, 2012, Journal of Molecular Microbiology and Biotechnology.

Single cell endocrinology: analysis of P-450scc activity by fluorescence detection methods.

T. W. Whaley, C. Unkefer, B. Marrone, 1991, Endocrinology.

Haloalkane dehalogenases: structure of a Rhodococcus enzyme.

J. Newman, T. Peat, T. Terwilliger, 1999, Biochemistry.

In vivo screening of haloalkane dehalogenase mutants.

T. Terwilliger, J. F. Schindler, C. Chang, 1999, Bioorganic & medicinal chemistry.

Neutron diffraction studies towards deciphering the protonation state of catalytic residues in the bacterial KDN9P phosphatase.

C. Unkefer, J. Bacik, D. Dunaway-Mariano, 2013, Acta crystallographica. Section F, Structural biology and crystallization communications.

Prediction of metabolic reactions based on atomic and molecular properties of small-molecule compounds

C. Unkefer, Fangping Mu, P. Unkefer, 2011, Bioinform..

A mechanism-based fluorogenic probe for the cytochrome P-450 cholesterol side chain cleavage enzyme

T. W. Whaley, C. Unkefer, B. Marrone, 1991 .