Molecular dynamics calculations suggest a conduction mechanism for the M2 proton channel from influenza A virus
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Understanding the functional dynamics of ligand-gated ion-channels (LGIC's) on the molecular level is the aim of this thesis. Members of the protein family of LGIC's are involved in the fast synaptic signal transmission and thereby play a central role in i ...
Membrane protein dynamics is of great importance for living organisms. The precise localization of proteins composing a synapse on the membrane facing a nerve terminus is essential for proper functioning of the nervous system. In muscle fibers, the nicotin ...
Experience has shown that protein redesigns (using the backbone from a known protein structure) are far more likely to produce well-ordered, native-like structures than are true de novo designs. Therefore, to design a four-helix bundle made of identical sh ...
Tumor necrosis factor TNF can trigger increases in membrane conductance of mammalian cells in a receptor-independent manner via its lectin-like domain. A lectin-deficient TNF mutant, lacking this activity, was able to bind to artificial liposomes in a pH-d ...
The goal of the present study is to construct a biophysical model of the coronary artery endothelial cell response to bradykinin. This model takes into account intracellular Ca2+ dynamics, membrane potential, a non-selective cation channel, and two Ca(2+)- ...
This thesis describes the application of the quantum mechanics/molecular mechanics (QM/MM) Car-Parrinello methodology to two systems of high biological interest: (a) The potassium channel KcsA from Streptomyces lividans and (b) The DNA repair enzyme EndoIV ...
The subject of this thesis is the study of the structure and function of the human muscle nicotinic acetylcholine receptor (nAChR), which is a typical member of the large class of ligand-gated ion channels. Appropriate techniques, like site-directed mutage ...
The invention relates to various embodiments of a bioanal. reagent with at least one vesicle, generated from a living cell, and at least one receptor for study of signal transduction. The invention further relates to methods for prodn. of said bioanal. rea ...
(Ecole Polytechnique Federale de Lausanne, Switz.; Zeptosens A.-G.).2002
The authors probed the function of receptor protein OmpF by in situ measurement of both the binding of ligands by surface plasmon resonance (SPR) and subsequent changes of the channel activity by impedance spectroscopy (IS). [on SciFinder (R)] ...
Nicotinic acetylcholine receptors are heteropentameric ion channels that open upon activation to a single conducting state. The second transmembrane segments of each subunit were identified as channel-forming elements, but their respective contribution in ...
