Research report 2007 - Max Planck Institute of Biophysics

Structure and Molecular Mechanism of the Sodium-Proton-Antiporter NhaA and the Cytochrome-bc1-Complex

Hunte, Carola

Molekulare Membranbiologie (Prof. Dr. Dr. h.c. Hartmut Michel)
MPI für Biophysik, Frankfurt am Main

1. Variants of the mitochondrial cytochrome bc1 complex created by site-directed mutagenesis produce deleterious oxygen radicals, which are implied in aging processes and pathophysiological conditions. 2. The regulation of the cellular ion composition by sodium-proton-antiporters is essential. The first atomic structure of such a transporter was determined and a mechanistic model for regulation and transport developed.

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