The effect of annexin IV and VI on the fluidity of phosphatidylserine/phosphatidylcholine bilayers studied with the use of 5‐deoxylstearate spin label
- 4 January 1993
- journal article
- Published by Wiley in FEBS Letters
- Vol. 315 (2) , 178-182
- https://doi.org/10.1016/0014-5793(93)81158-v
Abstract
An effect of annexin IV and VI on the fluidity of phosphatidylserine/phosphatidylcholine (PS/PC) membranes was studied by spin labeling technique with the use of 5-doxylstearic acid. It was found that calcium ions at micromolar concentrations induced a marked decrease in the order parameter of PS/PC membranes. This effect was completely abolished by both annexins. The influence of annexins on the mobility of fatty acid chains in the studied region in PE/PC membranes was insignificant.Keywords
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