Search Results - "Kaback, H R"
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It's Better To Be Lucky Than Smart
Published in Annual review of biochemistry (20-06-2021)“…Bacterial cytoplasmic membrane vesicles provide a unique experimental system for studying active transport. Vesicles are prepared by lysis of osmotically…”
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Toward the Bilayer Proteome, Electrospray Ionization-Mass Spectrometry of Large, Intact Transmembrane Proteins
Published in Proceedings of the National Academy of Sciences - PNAS (14-09-1999)“…Genes encoding membrane proteins comprise a substantial proportion of genomes sequenced to date, but ability to perform structural studies on this portion of…”
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Structure and Mechanism of the Lactose Permease of Escherichia coli
Published in Science (American Association for the Advancement of Science) (01-08-2003)“…Membrane transport proteins that transduce free energy stored in electrochemical ion gradients into a concentration gradient are a major class of membrane…”
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Functional Interactions between Putative Intramembrane Charged Residues in the Lactose Permease of Escherichia coli
Published in Proceedings of the National Academy of Sciences - PNAS (01-11-1992)“…Using a lactose permease mutant devoid of Cys residues ("C-less permease"), we systematically replaced putative intramembrane charged residues with Cys…”
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5
Site-Directed Sulfhydryl Labeling of the Lactose Permease of Escherichia coli: Helices IV and V That Contain the Major Determinants for Substrate Binding
Published in Biochemistry (Easton) (04-09-2001)“…Helices IV and V in the lactose permease of Escherichia coli contain the major determinants for substrate binding [Glu126 (helix IV), Arg144 (helix V), and…”
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6
In vivo Expression of the lacY Gene in Two Segments Leads to Functional lac Permease
Published in Proceedings of the National Academy of Sciences - PNAS (01-06-1990)“…The lacY gene of Escherichia coli was cut into two approximately equal-size fragments with Afl II and subcloned individually or together under separate lac…”
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Cloning and functional expression in bacteria of a novel glucose transporter present in liver, intestine, kidney, and beta-pancreatic islet cells
Published in Cell (21-10-1988)“…The well-characterized erythrocyte glucose transporter is also expressed in brain, adipocytes, kidney, muscle, and certain transformed cells, but not in liver,…”
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The C-4 Hydroxyl Group of Galactopyranosides Is the Major Determinant for Ligand Recognition by the Lactose Permease of Escherichia coli
Published in Biochemistry (Easton) (30-10-2001)“…Binding specificity in lactose permease toward galactopyranosides is governed by H-bonding interactions at C-2, C-3, C-4, and C-6 OH groups, while binding…”
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Site-Directed Sulfhydryl Labeling of the Lactose Permease of Escherichia coli: N-Ethylmaleimide-Sensitive Face of Helix II
Published in Biochemistry (Easton) (05-09-2000)“…Cys-scanning mutagenesis of helix II in the lactose permease of Escherichia coli [Frillingos, S., Sun, J. et al. (1997) Biochemistry 36, 269−273] indicates…”
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Properties and Purification of an Active Biotinylated Lactose Permease from Escherichia coli
Published in Proceedings of the National Academy of Sciences - PNAS (01-08-1993)“…A simplified approach for purification of functional lactose permease from Escherichia coli is described that is based on the construction of chimeras between…”
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Site-Directed Sulfhydryl Labeling of the Lactose Permease of Escherichia coli: Helix VII
Published in Biochemistry (Easton) (05-09-2000)“…Site-directed sulfhydryl modification in situ is employed to investigate structural and dynamic features of transmembrane helix VII and the beginning of the…”
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12
Site-Directed Sulfhydryl Labeling of the Lactose Permease of Escherichia coli: Helix X
Published in Biochemistry (Easton) (05-09-2000)“…Helix X in the lactose permease of Escherichia coli contains two residues that are irreplaceable with respect to active transport, His322 and Glu325, as well…”
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Functional Expression of Mouse mdr1 in Escherichia coli
Published in Proceedings of the National Academy of Sciences - PNAS (01-10-1993)“…We describe functional expression of the mouse multidrug-resistance protein (P-glycoprotein; P-gp) in an Escherichia coli mutant defective in the outer…”
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Effect of the Lipid Phase Transition on the Lactose Permease from Escherichia coli
Published in Biochemistry (Easton) (28-11-2000)“…The temperature dependence of lactose active transport, efflux down a concentration gradient, and equilibrium exchange were analyzed in right-side-out membrane…”
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Helix Packing of Lactose Permease in Escherichia coli Studied by Site- Directed Chemical Cleavage
Published in Proceedings of the National Academy of Sciences - PNAS (26-09-1995)“…Biotinylated lactose permease from Escherichia coli containing a single-cysteine residue at position 330 (helix X) or at position 147, 148, or 149 (helix V)…”
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Use of site-directed fluorescence labeling to study proximity relationships in the lactose permease of Escherichia coli
Published in Biochemistry (Easton) (23-11-1993)“…The lactose permease of Escherichia coli is a paradigm for polytopic membrane transport proteins that transduce free energy stored in an electrochemical ion…”
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A Method for Distance Determination in Proteins Using a Designed Metal Ion Binding Site and Site-Directed Spin Labeling: Evaluation with T4 Lysozyme
Published in Proceedings of the National Academy of Sciences - PNAS (19-12-1995)“…The use of molecular genetics to introduce both a metal ion binding site and a nitroxide spin label into the same protein opens the use of paramagnetic…”
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Engineering Conformational Flexibility in the Lactose Permease of Escherichia coli: Use of Glycine-Scanning Mutagenesis To Rescue Mutant Glu325→Asp
Published in Biochemistry (Easton) (23-01-2001)“…Lactose/H+ symport by lactose permease of Escherichia coli involves interactions between four irreplaceable charged residues in transmembrane helices that play…”
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Insertional Mutagenesis of Hydrophilic Domains in the Lactose Permease of Escherichia coli
Published in Proceedings of the National Academy of Sciences - PNAS (15-12-1992)“…The lactose permease of Escherichia coli is a membrane transport protein postulated to contain a hydrophilic N terminus (hydrophilic domain 1), 12 hydrophobic…”
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The kamikaze approach to membrane transport
Published in Nature reviews. Molecular cell biology (01-08-2001)“…Membrane transport proteins catalyse the movement of molecules into and out of cells and organelles, but their hydrophobic and metastable nature often makes…”
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