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FEBS Lett. 1993 Jan 4;315(2):178-82.

The effect of annexin IV and VI on the fluidity of phosphatidylserine/phosphatidylcholine bilayers studied with the use of 5-deoxylstearate spin label.

Author information

1
M. Nencki Institute of Experimental Biology, Department of Cell Biology, Warsaw, Poland.

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.

PMID:
8417975
DOI:
10.1016/0014-5793(93)81158-v
[Indexed for MEDLINE]
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