Berlin 2008 – wissenschaftliches Programm
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BP: Fachverband Biologische Physik
BP 7: Posters I
BP 7.50: Poster
Montag, 25. Februar 2008, 17:00–19:30, Poster A
Pattern formation in membranes due to electrostatic protein-lipid interacion — •Sergio Alonso1, Karin John2, and Markus Baer1 — 1Physikalisch-Technische Bundesanstalt, Berlin, Germany — 2Université J. Fourier, Grenoble, France
We study the formation of protein patterns near membranes of living cells by mathematical modelling. The formation of protein domains by electrostatic lipid-protein interactions and the nonequilibrium biochemical reaction cycle of proteins near the membrane give rise to complex dynamics. On the other hand, Calcium is a intracellular signal which controls numerous processes, including the activity of the proteins attached to the membrane. We incorporate the effects of the calcium in a previous model for the dynamics of such proteins in the membrane.