The turnover number for band 3-mediated sulfate transport in phosphatidylcholine bilayers
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چکیده
منابع مشابه
Yolk Phosphatidylcholine Bilayers
The activity of (Ca -Mg )ATPase reconstituted into egg yolk phos phatidylcholine liposomes is reduced when the lipid has been oxidized before the reconstitution procedure. It is suggested that the reversible decrease in activity is caused by a decrease of the lipid bilayer thickness due to the shortening of lipid acyl chains during autoperoxidation; the irreversible decrease in the activity is...
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The kinetics of human red blood cell Cl transport have been studied under nonequilibrium conditions to determine whether or not an outward Cl gradient can recruit the transport protein from an inward-facing to an outward-facing configuration. Three kinds of evidence are consistent with this outward recruitment. First, the initial net Cl efflux into a Cl-free phosphate medium is independent of t...
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15 صفحه اولRapid electrogenic sulfate-chloride exchange mediated by chemically modified band 3 in human erythrocytes
One of the modes of action of the red blood cell anion transport protein is the electrically silent net exchange of 1 Cl- for 1 SO4= and 1 H+. Net SO4(=)-Cl- exchange is accelerated by low pH or by conversion of the side chain of glutamate 681 into an alcohol by treatment of intact cells with Woodward's reagent K (WRK) and BH4-. The studies described here were performed to characterize the elec...
متن کاملPlatelet phosphatidylcholine turnover in experimental hypertension.
To gain insight into the membrane alteration that could account for the hyperresponsiveness of platelets in hypertension, we have investigated whether, in resting platelets of hypertensive rats, the metabolism of phospholipids was modified. Because preliminary results indicated a specific acceleration of phosphatidylcholine turnover in spontaneously hypertensive rats, the possible relation betw...
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ژورنال
عنوان ژورنال: FEBS Letters
سال: 1988
ISSN: 0014-5793
DOI: 10.1016/0014-5793(88)81407-8