Search Results - "Mchaourab, H S"
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Modeling conformational states of proteins with AlphaFold
Published in Current opinion in structural biology (01-08-2023)“…Many proteins exert their function by switching among different structures. Knowing the conformational ensembles affiliated with these states is critical to…”
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De novo mutation in the dopamine transporter gene associates dopamine dysfunction with autism spectrum disorder
Published in Molecular psychiatry (01-12-2013)“…De novo genetic variation is an important class of risk factors for autism spectrum disorder (ASD). Recently, whole-exome sequencing of ASD families has…”
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The Yeast Mitochondrial Citrate Transport Protein: Determination of Secondary Structure and Solvent Accessibility of Transmembrane Domain IV Using Site-Directed Spin Labeling
Published in Biochemistry (Easton) (08-08-2000)“…To explore the spatial organization and functional dynamics of the citrate transport protein (CTP), a nitroxide scan was carried out along 22 consecutive…”
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Subunit Exchange of Small Heat Shock Proteins. Analysis of Oligomer Formation of alpha A-Crystallin and Hsp27 by Fluorescence Resonance Energy Transfer and Site-Directed Truncations
Published in The Journal of biological chemistry (14-01-2000)“…alpha A-Crystallin, a member of the small heat shock protein (sHsp) family, is a large multimeric protein composed of 30-40 identical subunits. Its quaternary…”
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5
Motion of Spin-Labeled Side Chains in T4 Lysozyme. Correlation with Protein Structure and Dynamics
Published in Biochemistry (Easton) (18-06-1996)“…Thirty single cysteine substitution mutants of T4 lysozyme have been prepared and spin-labeled with a sulfhydryl-specific nitroxide reagent in order to…”
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6
Small heat-shock protein structures reveal a continuum from symmetric to variable assemblies
Published in Journal of molecular biology (28-04-2000)“…The small heat-shock proteins (sHSPs) form a diverse family of proteins that are produced in all organisms. They function as chaperone-like proteins in that…”
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7
Watching proteins move using site-directed spin labeling
Published in Structure (London) (15-07-1996)“…Site-directed spin labeling of proteins has proven to be a practical means for determining secondary structure and its orientation; surfaces of tertiary…”
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Multiquantum EPR of the mixed valence copper site in nitrous oxide reductase
Published in Biophysical journal (01-05-1993)“…This work demonstrates the use of multiquantum EPR to study the magnetic properties of copper complexes and copper proteins. Pure absorption spectra are…”
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Mechanism of Chaperone Function in Small Heat-shock Proteins: FLUORESCENCE STUDIES OF THE CONFORMATIONS OF T4 LYSOZYME BOUND TO alpha B-CRYSTALLIN
Published in The Journal of biological chemistry (07-11-2003)“…To further develop the mechanistic understanding of small heat-shock protein (sHSP) chaperone activity, we investigate the nature of the intermediate states…”
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11
Aggregation state of spin-labeled cecropin AD in solution
Published in Biochemistry (Easton) (09-11-1993)“…A spin-labeled derivative of the ion channel peptide cecropin AD (Fink et al.,1988) was synthesized and used to investigate its aggregation state in water and…”
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Conformation of T4 Lysozyme in Solution. Hinge-Bending Motion and the Substrate-Induced Conformational Transition Studied by Site-Directed Spin Labeling
Published in Biochemistry (Easton) (14-01-1997)“…T4 lysozyme and mutants thereof crystallize in different conformations that are related to each other by a bend about a hinge in the molecule. This observation…”
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Site-directed Spin Labeling Study of Subunit Interactions in the alpha -Crystallin Domain of Small Heat-shock Proteins: Comparison of the Oligomer Symmetry in alpha A-Crystallin, HSP 27, and HSP 16.3
Published in The Journal of biological chemistry (05-03-1999)“…Site-directed spin labeling was used to investigate quaternary interactions along a conserved sequence in the alpha -crystallin domain of alpha A-crystallin,…”
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A Multifrequency Electron Spin Resonance Study of T4 Lysozyme Dynamics
Published in Biophysical journal (01-06-1999)“…Electron spin resonance (ESR) spectroscopy at 250 GHz and 9 GHz is utilized to study the dynamics and local structural ordering of a nitroxide-labeled enzyme,…”
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15
Motion of Spin-Labeled Side Chains in T4 Lysozyme: Effect of Side Chain Structure
Published in Biochemistry (Easton) (09-03-1999)“…Previous studies have shown that the mobility of nitroxide side chains in a protein, inferred from the electron paramagnetic resonance (EPR) spectra, can be…”
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Determination of Protein Secondary Structure and Solvent Accessibility Using Site-Directed Fluorescence Labeling. Studies of T4 Lysozyme Using the Fluorescent Probe Monobromobimane
Published in Biochemistry (Easton) (07-12-1999)“…We report an investigation of how much protein structural information could be obtained using a site-directed fluorescence labeling (SDFL) strategy. In our…”
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Identification of Protein Folding Patterns Using Site-Directed Spin Labeling. Structural Characterization of a β-Sheet and Putative Substrate Binding Regions in the Conserved Domain of αA-Crystallin
Published in Biochemistry (Easton) (15-09-1998)“…The folding pattern of the segment of αA-crystallin encoded by exon 2 and containing putative substrate binding sites was explored using site-directed spin…”
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Alternating Access of the Putative Substrate-Binding Chamber in the ABC Transporter MsbA
Published in Journal of molecular biology (30-10-2009)“…MsbA is an ATP-binding cassette transporter from Escherichia coli that is involved in trafficking lipid A across the inner membrane. ATP-binding cassette…”
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Site-Directed Spin-Labeling Study of the Structure and Subunit Interactions along a Conserved Sequence in the α-Crystallin Domain of Heat-Shock Protein 27. Evidence of a Conserved Subunit Interface
Published in Biochemistry (Easton) (02-12-1997)“…Site-directed spin-labeling (SDSL) was used to investigate the secondary structure, solvent accessibility, and tertiary and quaternary interactions along the…”
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Binding and State of Aggregation of Spin-Labeled Cecropin AD in Phospholipid Bilayers: Effects of Surface Charge and Fatty Acyl Chain Length
Published in Biochemistry (Easton) (31-05-1994)“…The binding and state of aggregation of cecropin in large unilamellar vesicles of different surface potential and varying acyl chain length were examined using…”
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