Search Results - "Maretzki, D"
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A tightly membrane-associated subpopulation of spectrin is 3H-palmitoylated
Published in The Journal of biological chemistry (15-06-1993)“…A tightly membrane-associated form of spectrin (TMA-spectrin) was labeled when human red blood cells were incubated with [3H]palmitic acid. About 90% of…”
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Ligand channeling within a G-protein-coupled receptor. The entry and exit of retinals in native opsin
Published in The Journal of biological chemistry (04-07-2003)“…Deactivation of light-activated rhodopsin (metarhodopsin II) involves, after rhodopsin kinase and arrestin interactions, the hydrolysis of the covalent bond of…”
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Signaling states of rhodopsin. Formation of the storage form, metarhodopsin III, from active metarhodopsin II
Published in The Journal of biological chemistry (31-01-2003)“…Vertebrate rhodopsin consists of the apoprotein opsin and the chromophore 11-cis-retinal covalently linked via a protonated Schiff base. Upon…”
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Secondary binding sites of retinoids in opsin: characterization and role in regeneration
Published in Vision research (Oxford) (01-12-2003)“…To regenerate light-sensitive rhodopsin in rods from active metarhodopsin II (Meta II), all- trans-retinal must be removed from the retinal binding pocket and…”
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A form of (Ca 2+ + Mg 2+)-ATPase of human red cell membranes with low affinity for Mg-ATP: A hypothesis for its function
Published in FEBS letters (10-03-1980)Get full text
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Diffusible Ligand All-trans-retinal Activates Opsin via a Palmitoylation-dependent Mechanism
Published in The Journal of biological chemistry (03-03-2000)“…In rhodopsin's function as a photoreceptor, 11-cis-retinal is covalently bound to Lys296via a protonated Schiff base. 11-cis/all-transphotoisomerization and…”
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Activation and desensitization of glycolysis by stimulation of adenylate cyclase in rat reticulocytes
Published in FEBS letters (15-06-1987)“…Isoproterenol or forskolin induce a 10–15-fold increase in concentration of cyclic AMP in rat reticulocytes as compared with the basal level of 2.3 ± 0.3 μM…”
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Preservation of resuspended red cell concentrate. Release of vesicles from stored red cells
Published in Folia haematologica (Leipzig, Germany : 1928) (1987)“…The effect of carbohydrates (sucrose, mannitol) and guanosine on red cell vesiculation was studied during storage of red cell concentrates (RCC) in glass…”
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Metabolism of phosphatidylinositides in rabbit red blood cells
Published in Biomedica biochimica acta (1990)“…The particularly strong maturational loss of the monoester phosphate group turnover in PIP2 was demonstrated by in vivo as well as in vitro studies with rabbit…”
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ATP utilizing reactions of human erythrocyte membranes and the influence of modulator proteins
Published in Acta biologica et medica Germanica (1981)“…The ATP production of human erythrocytes in the steady state (approximately 2 mmoles . 1 cells-1 . h-1, 37 degrees C, pHi 7.2) is maintained by glycolysis and…”
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Enzymatic t-butyl hydroperoxide reduction on human erythrocyte membranes--NADPH and GSH dependent activities
Published in Biomedica biochimica acta (1984)“…A NADPH-dependent t-butyl hydroperoxide ( TBH )-reducing activity independent of glutathione was found in addition to glutathione peroxidase activity bound to…”
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Assays for activation of opsin by all-trans-retinal
Published in Methods in enzymology (2000)“…The data collected with the techniques discussed in this chapter suggest significant differences between the active conformation(s) of the opsin/atr complex,…”
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Involvement of polyphosphoinositides in the ATP turnover of intact human erythrocytes and in the ATPase activity of purified membranes
Published in Biomedica biochimica acta (1983)“…The phosphorylation cycle of polyphosphoinositides is an important process among the ATP-consuming reactions of human erythrocytes with "low" ATP-affinity. It…”
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Disproportional loss of membrane constituents in the course of erythrocyte aging
Published in Acta biologica et medica Germanica (1981)“…Acetylcholine esterase activity and sialic acid content were estimated in human erythrocytes separated according to their densities and after fragmentation in…”
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New fluorescent probes for visual proteins. Part II. 5-(Oxo)penta-2,4-dienyl-p-(N,N-dimethylamino)benzoate
Published in Photochemical & photobiological sciences (01-12-2003)“…A new dual-fluorescent compound, 5-(oxo)penta-2,4-dienyl-p-(N,N-dimethylamino)benzoate (1), a derivative of dimethylaminobenzoic acid, has been synthesised and…”
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Glutathione peroxidase activity of human erythrocyte membranes
Published in Acta biologica et medica Germanica (1982)Get more information
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Reevaluation of membrane binding of erythrocyte glutathione reductase (EC 1.6.4.2)
Published in Acta biologica et medica Germanica (1981)“…Data concerning membrane binding of glutathione reductase (GSSG-R) have been reexamined with respect to the following experimental conditions: 1. Haemolysis…”
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Immunoglobulin G binding to human erythrocytes
Published in Biomedica biochimica acta (1984)“…The binding of 125iodine labelled human IgG to allogenic erythrocytes was studied at various ratios of free IgG per cell. At low concentrations of free IgG a…”
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The breakdown of adenine nucleotides in glucose-depleted human red cells
Published in Acta biologica et medica Germanica (1979)“…1) The rate of 2,3-bisphosphoglycerate breakdown is independent of pH value. 2) The adenine nucleotide pattern at alkaline pH values with its characteristic…”
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