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Literature DB >> 5539339

Regulatory mechanisms ofthe calcium transport system of ramented rabbit sarcoplasmic rticulum. II. Inhibition of outflux in calcium-free media.

Abstract

The outflux of calcium from vesicles of sarcoplasmic reticulum is controlled by the concentration of ionized calcium in the medium. In a calcium-free medium calcium outflux is at a minimum provided ATP and Mg are present. If they are removed calcium outflux becomes rapid and has a rate constant similar to that of outflux during steady-state (40)Ca-(45)Ca exchange with saturating calcium concentrations in the medium. In order to maintain the low permeability state of the membrane only the presence but not the continued hydrolysis of ATP is necessary.

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Year: 1971 PMID： 5539339 PMCID： PMC2203095 DOI： 10.1085/jgp.57.1.64

Source DB: PubMed Journal: J Gen Physiol ISSN： 0022-1295 Impact factor: 4.086

9 in total

1. THE STEADY STATE MAINTENANCE OF ACCUMULATED CA++ IN RAT LIVER MITOCHONDRIA.

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3. [Kinetic studies on galactoside permease of Escherichia coli].

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4. Galactose transport in Escherichia coli. III. The effect of 2,4-dinitrophenol on entry and accumulation.

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5. Reaction mechanism of the Ca++ -dependent ATPase of sarcoplasmic reticulum from skeletal muscle. I. Kinetic studies.

Authors: T Yamamoto; Y Tonomura
Journal: J Biochem Date: 1967-11 Impact factor: 3.387

6. The phosphorylation of the membranal protein of the sarcoplasmic vesicles during active calcium transport.

Authors: M Makinose
Journal: Eur J Biochem Date: 1969-08

7. Regulatory mechanisms of the calcium transport system of fragmented rabbit sarcoplasmic rticulum. I. The effect of accumulated calcium on transport and adenosine triphosphate hydrolysis.

Authors: A Weber
Journal: J Gen Physiol Date: 1971-01 Impact factor: 4.086

8. Interaction of fragmented sarcoplasmic reticulum with 14C-ADP, 14C-ATP, and 32P-ATP. Effect of Ca and Mg.

Authors: G Inesi; J Almendares
Journal: Arch Biochem Biophys Date: 1968-08 Impact factor: 4.013

9. ADENOSINE TRIPHOSPHATE-LINKED CONCENTRATION OF CALCIUM IONS IN A PARTICULATE FRACTION OF RABBIT MUSCLE.

Authors: S Ebashi; F Lipmann
Journal: J Cell Biol Date: 1962-09-01 Impact factor: 10.539

9 in total

8 in total

1. Three types of calcium-dependent channel in rat lacrimal glands.

Authors: A Marty; Y P Tan; A Trautmann
Journal: J Physiol Date: 1984-12 Impact factor: 5.182

2. [An indirect proof of stretch-induced Ca++ release from the sarcoplasmic reticulum in glycerinated skeletal and heart muscle preparations (author's transl)].

Authors: B Brenner
Journal: Basic Res Cardiol Date: 1979 Mar-Apr Impact factor: 17.165

3. Permeability of sarcoplasmic reticulum membrane. The effect of changed ionic environments on Ca2+ release.

Authors: G Meissner; D McKinley
Journal: J Membr Biol Date: 1976-12-25 Impact factor: 1.843

4. Contractions induced by a calcium-triggered release of calcium from the sarcoplasmic reticulum of single skinned cardiac cells.

Authors: A Fabiato; F Fabiato
Journal: J Physiol Date: 1975-08 Impact factor: 5.182