Search Results - "Roberts, Sue A."
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Rational reprogramming of fungal polyketide first-ring cyclization
Published in Proceedings of the National Academy of Sciences - PNAS (02-04-2013)“…Resorcylic acid lactones and dihydroxyphenylacetic acid lactones represent important pharmacophores with heat shock response and immune system modulatory…”
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2
Variable Substrate Preference among Phospholipase D Toxins from Sicariid Spiders
Published in The Journal of biological chemistry (24-04-2015)“…Venoms of the sicariid spiders contain phospholipase D enzyme toxins that can cause severe dermonecrosis and even death in humans. These enzymes convert…”
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3
Biochemical and Structural Studies of 6-Carboxy-5,6,7,8-tetrahydropterin Synthase Reveal the Molecular Basis of Catalytic Promiscuity within the Tunnel-fold Superfamily
Published in The Journal of biological chemistry (22-08-2014)“…6-Pyruvoyltetrahydropterin synthase (PTPS) homologs in both mammals and bacteria catalyze distinct reactions using the same 7,8-dihydroneopterin triphosphate…”
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4
Crystal Structure and Electron Transfer Kinetics of CueO, A Multicopper Oxidase Required for Copper Homeostasis in Escherichia coli
Published in Proceedings of the National Academy of Sciences - PNAS (05-03-2002)“…CueO (YacK), a multicopper oxidase, is part of the copper-regulatory cue operon in Escherichia coli. The crystal structure of CueO has been determined to 1.4-Å…”
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5
Transitive homology-guided structural studies lead to discovery of Cro proteins with 40% sequence identity but different folds
Published in Proceedings of the National Academy of Sciences - PNAS (19-02-2008)“…Proteins that share common ancestry may differ in structure and function because of divergent evolution of their amino acid sequences. For a typical diverse…”
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6
A Labile Regulatory Copper Ion Lies Near the T1 Copper Site in the Multicopper Oxidase CueO
Published in The Journal of biological chemistry (22-08-2003)“…CueO, a multicopper oxidase, is part of the copper-regulatory cue operon in Escherichia coli, is expressed under conditions of copper stress and shows enhanced…”
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7
Allostery in Recombinant Soluble Guanylyl Cyclase from Manduca sexta
Published in The Journal of biological chemistry (25-07-2008)“…Soluble guanylyl/guanylate cyclase (sGC), the primary biological receptor for nitric oxide, is required for proper development and health in all animals. We…”
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8
Conformations of the apo-, substrate-bound and phosphate-bound ATP-binding domain of the Cu(II) ATPase CopB illustrate coupling of domain movement to the catalytic cycle
Published in Bioscience reports (01-10-2012)“…Heavy metal P1B-type ATPases play a critical role in cell survival by maintaining appropriate intracellular metal concentrations. Archaeoglobus fulgidus CopB…”
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9
3-(4-Bromo-phen-yl)-1-butyl-5-[1-(2-chloro-6-methyl-phen-yl)-1H-tetra-zol-5-yl]imidazolidine-2,4-dione
Published in Acta crystallographica. Section E, Structure reports online (01-07-2013)“…In the title mol-ecule, C21H20BrClN6O2, the chloro-substituted benzene ring forms a dihedral angle of 77.84 (7)° with the tetra-zole ring and the…”
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10
(Z)‑Stereoselective Synthesis of Mono- and Bis-heterocyclic Benzimidazol-2-ones via Cascade Processes Coupled with the Ugi Multicomponent Reaction
Published in Journal of organic chemistry (18-09-2015)“…Several novel cascade reactions are herein reported that enable access to a variety of unique mono- and bis-heterocyclic scaffolds. The sequence of cascade…”
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11
Extreme divergence between one-to-one orthologs: the structure of N15 Cro bound to operator DNA and its relationship to the λ Cro complex
Published in Nucleic acids research (26-07-2019)“…The gene cro promotes lytic growth of phages through binding of Cro protein dimers to regulatory DNA sites. Most Cro proteins are one-to-one orthologs, yet…”
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12
Crystal structures of multicopper oxidase CueO bound to copper(I) and silver(I): functional role of a methionine-rich sequence
Published in The Journal of biological chemistry (28-10-2011)“…The multicopper oxidase CueO oxidizes toxic Cu(I) and is required for copper homeostasis in Escherichia coli. Like many proteins involved in copper…”
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13
Molecular Model of a Soluble Guanylyl Cyclase Fragment Determined by Small-Angle X‑ray Scattering and Chemical Cross-Linking
Published in Biochemistry (Easton) (05-03-2013)“…Soluble guanylyl/guanylate cyclase (sGC) converts GTP to cGMP after binding nitric oxide, leading to smooth muscle relaxation and vasodilation. Impaired sGC…”
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14
The Synthesis of Stable, Complex Organocesium Tetramic Acids through the Ugi Reaction and Cesium-Carbonate-Promoted Cascades
Published in Angewandte Chemie International Edition (28-09-2015)“…Two structurally unique organocesium carbanionic tetramic acids have been synthesized through expeditious and novel cascade reactions of strategically…”
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15
A Novel Copper-Binding Fold for the Periplasmic Copper Resistance Protein CusF
Published in Biochemistry (Easton) (09-08-2005)“…We have determined the crystal structure of apo-CusF, a periplasmic protein involved in copper and silver resistance in Escherichia coli. The protein forms a…”
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16
Ultrahigh Resolution Structures of Nitrophorin 4: Heme Distortion in Ferrous CO and NO Complexes
Published in Biochemistry (Easton) (27-09-2005)“…Nitrophorin 4 (NP4), a nitric oxide (NO)-transport protein from the blood-sucking insect Rhodnius prolixus, uses a ferric (Fe3+) heme to deliver NO to its…”
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17
Phospholipase D toxins from spiders, bacteria, and fungi generate cyclic phosphate products
Published in Toxicon (Oxford) (01-07-2016)Get full text
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18
Improved Synthesis of 10-(2-Alkylamino-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic Acid Derivatives Bearing Acid-Sensitive Linkers
Published in Synthetic communications (01-02-2014)“…Alkylation of the hydrobromide salts of 1,4,7-tris(methoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane and…”
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19
Crystal structures of N - tert -butyl-3-(4-fluorophenyl)-5-oxo-4-[2-(trifluoromethoxy)phenyl]-2,5-dihydrofuran-2-carboxamide and 4-(2 H -1,3-benzodioxol-5-yl)- N -cyclohexyl-5-oxo-3-[4-(trifluoromethyl)phenyl]-2,5-dihydrofuran-2-carboxamide
Published in Acta crystallographica. Section E, Crystallographic communications (01-02-2015)“…The title compounds, C 22 H 19 F 4 NO 4 , (I), and C 25 H 22 F 3 NO 5 , (II), each contain a central nearly planar dihydrofuranone ring. The r.m.s. deviation…”
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20
Protein Functional Cycle Viewed at Atomic Resolution: Conformational Change and Mobility in Nitrophorin 4 as a Function of pH and NO Binding
Published in Biochemistry (Easton) (02-11-2004)“…The blood-sucking insect Rhodnius prolixus uses nitrophorin 4, a heme protein, to deliver nitric oxide (NO) to a victim, causing vasodilation and improved…”
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