Search Results - "Unkefer, C J"

CN − Secondary Ions Form by Recombination as Demonstrated Using Multi-Isotope Mass Spectrometry of 13C- and 15N-Labeled Polyglycine by McMahon, G., Saint-Cyr, H. Francois, Lechene, C., Unkefer, C.J.

“…We have studied the mechanism of formation CN − secondary ions under Cs + primary ion bombardment. We have synthesized 13C and 15N labeled polyglycine samples…”
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Poly(γ -glutamylcysteinyl)glycine: Its Role in Cadmium Resistance in Plant Cells by Jackson, Paul J., Unkefer, Clifford J., Doolen, Jane A., Watt, Ken, Robinson, Nigel J.

“…Angiosperms can be selected for the ability to grow in the presence of normally toxic concentrations of certain trace metal ions. Addition of Cd and Cu to…”
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Intestinal absorption and tissue distribution of [14C]pyrroloquinoline quinone in mice by Smidt, C R, Unkefer, C J, Houck, D R, Rucker, R B

“…Pyrroloquinoline quinone (PQQ) functions as a cofactor for prokaryotic oxidoreductases, such as methanol dehydrogenase and membrane-bound glucose…”
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Haloalkane Dehalogenases:  Structure of a Rhodococcus Enzyme by Newman, Janet, Peat, Thomas S, Richard, Ruth, Kan, Lynn, Swanson, Paul E, Affholter, Joseph A, Holmes, Ian H, Schindler, John F, Unkefer, Clifford J, Terwilliger, Thomas C

“…The hydrolytic haloalkane dehalogenases are promising bioremediation and biocatalytic agents. Two general classes of dehalogenases have been reported from…”
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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 by Zhou, Pei, O'Hagan, David, Mocek, Ursula, Zeng, Zhaopie, Yuen, Lai Duien, Frenzel, Thomas, Unkefer, Clifford J, Beale, John M, Floss, Heinz G

“…Thiostrepton, first isolated from Streptomyces azureus , is the parent of a family of highly modified, sulfur-rich polypeptide antibiotics, which also includes…”
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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 by Unkefer, C J, Jackson, C, Gander, J E

“…Peptidophosphogalactomannan from Penicillium charlesii contains ethanolamine, presumably linked via phosphodiester to galactomannan (Rick, P. D., Drewes, L…”
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Single cell endocrinology: analysis of P-450scc activity by fluorescence detection methods by Marrone, B L, Simpson, D J, Yoshida, T M, Unkefer, C J, Whaley, T W, Buican, T N

“…A mechanism-based, fluorogenic probe for the cytochrome P-450scc (cholesterol side chain cleavage) enzyme, rate-limiting for the conversion of cholesterol to…”
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The role of the buried aspartate of Escherichia coli thioredoxin in the activation of the mixed disulfide intermediate by LeMaster, D M, Springer, P A, Unkefer, C J

“…The structurally homologous protein disulfide isomerases and thioredoxins exhibit a 10(5) variation of redox equilibria. It is demonstrated that the kinetic…”
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Synthesis of 2-deoxy-D-arabino-(6-13C)hexose by Walker, T E, Ehler, D S, Unkefer, C J

“…2-Deoxy-D-arabino-[6-13C]hexose (10), to be used to test the stability of 2-deoxy-D-arabino-hexose 6-phosphate in brain tissue, was prepared…”
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The biosynthesis of tabtoxinine-beta-lactam. Use of specifically 13C-labeled glucose and 13C NMR spectroscopy to identify its biosynthetic precursors by Unkefer, C.J., London, R.E., Durbin, R.D., Uchytil, T.F., Langston-Unkefer, P.J.

“…Tabtoxinine-beta-lactam, an irreversible inhibitor of glutamine synthetase is produced by several pathovars of Pseudomonas syringae. We have examined…”
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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 by TUEKAM, Brigitte A, PARK, Yong-Il, UNKEFER, Clifford J, GANDER, John E

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Troponin I Inhibitory Peptide (96−115) Has an Extended Conformation When Bound to Skeletal Muscle Troponin C by Hernández, Griselda, Blumenthal, Donald K, Kennedy, Michael A, Unkefer, Clifford J, Trewhella, Jill

“…We have utilized CD and NMR spectroscopy to study the conformation of the troponin I (TnI) inhibitory peptide [TnI(96−115)] free in solution and when bound to…”
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CD-n.m.r. study of the solution conformation of bradykinin analogs containing alpha-aminoisobutyric acid by Cann, J R, London, R E, Unkefer, C J, Vavrek, R J, Stewart, J M

“…The conformation in aqueous solution of several alpha-aminoisobutyric acid (AIB)-containing analogs of bradykinin (BK) has been probed by complementary CD and…”
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In vivo Determination of the Pyridine Nucleotide Reduction Charge by Carbon-13 Nuclear Magnetic Resonance Spectroscopy by Unkefer, Clifford J., Blazer, Richard M., London, Robert E.

“…An intracellular coenzyme has been observed by carbon-13 nuclear magnetic resonance spectroscopy. The pyridine nucleotides in Escherichia coli were…”
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A Comprehensive Approach for Accurate Measurement of Proton–Proton Coupling Constants in the Sugar Ring of DNA by Yang, Jiping, McAteer, Kathleen, Silks, Louis A.“Pete”, Wu, Ruilian, Isern, Nancy G, Unkefer, Clifford J, Kennedy, Michael A

“…Stereo-selectivedeuteration has been explored as an approach for improving the accuracy of NMR-derived, three-bond vicinal proton–proton coupling constants in…”
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Haloalkane Dehalogenases:  Steady-State Kinetics and Halide Inhibition by Schindler, John F, Naranjo, Penelope A, Honaberger, David A, Chang, Chia-Hwa, Brainard, James R, Vanderberg, Laura A, Unkefer, Clifford J

“…The substrate specificities and product inhibition patterns of haloalkane dehalogenases from Xanthobacter autotrophicus GJ10 (XaDHL) and Rhodococcus…”
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CN{sup −} secondary ions form by recombination as demonstrated using multi-isotope mass spectrometry of {sup 13}C- and {sup 15}N-labeled polyglycine by McMahon, G., Saint-Cyr, H. Francois, Lechene, C., Unkefer, C. J.

“…We have studied the mechanism of formation CN{sup −} secondary ions under Cs{sup +} primary ion bombardment. We have synthesized {sup 13}C and {sup 15}N…”
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In vivo screening of haloalkane dehalogenase mutants by Chang, C H, Schindler, J F, Unkefer, C J, Vanderberg, L A, Brainard, J R, Terwilliger, T C

“…Haloalkane dehalogenase (Dh1A) from Xanthobacter autotrophicus GJ10 catalyzes the dehalogenation of short chain primary alkyl halides. Due to the high Km and…”
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The 5-O-beta-D-galactofuranosyl-containing peptidophosphogalactomannan of Penicillium charlesii. Characterization of the mannan by 13C NMR spectroscopy by Unkefer, C J, Gander, J E

“…Penicillium charlesii secretes a galactofuranosyl and phosphodiester-containing peptidophosphogalactomannan (pPGM). A linear mannan was prepared from pPGM by…”
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Synthesis of tert-butyl-[1-13C]glycolic acid by Martinez, Rodolfo A., Silks III, Louis A., Unkefer, Clifford J.

“…A one step synthesis of tert=butyl‐[1‐13C]glycolic acid was accomplished by a modification of the Corey and Eckrich procedure. tert‐Butyl methyl ether was…”
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