Visualization of annexin I binding to calcium-induced phosphatidylserine domains

Janshoff, Andreas and Ross, Michaela and Gerke, Volker and Steinem, Claudia (2001) Visualization of annexin I binding to calcium-induced phosphatidylserine domains. CHEMBIOCHEM, 2 (7-8). 587-+. ISSN 1439-4227

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Abstract

A monomolecular protein adsorption was observed for the binding of annexin I to phosphatidylserine-enriched lipid domains. The interactions of this membrane-associated protein (red in the picture; green = N terminus, . = Ca(2+)-binding site) with phospholipid bilayers immobilized on mica were visualized by scanning force microscopy. Domain formation in 1,2-dipalmitoyl-sn-glycero-3-phosphocholine/-phosphoserine layers was induced by Ca(2+) ions rather than by the protein itself, as demonstrated by time-of-flight secondary-ion mass spectrometric analysis and lateral force microscopy.

Item Type: Article
Uncontrolled Keywords: ION MASS-SPECTROMETRY; VESICLE AGGREGATION; 3-DIMENSIONAL STRUCTURE; FORCE MICROSCOPY; MUTAGENESIS; MEMBRANES; CRYSTAL; PROTEIN; TOPOGRAPHY; MECHANISM; annexins; mass spectrometry; membrane proteins; phospholipids; scanning probe microscopy
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik
Depositing User: Dr. Gernot Deinzer
Date Deposited: 14 Dec 2021 06:35
Last Modified: 14 Dec 2021 06:35
URI: https://pred.uni-regensburg.de/id/eprint/41197

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