Biochimica et Biophysica Acta
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Ni-containing Carbon Monoxide Dehydrogenases (CODHs) catalyze the reversible conversion between CO and CO2 and are involved in energy conservation and carbon fixation. These homodimeric enzymes house two NiFeS active sites (C-clusters) and three accessory [4Fe-4S] clusters. The Desulfovibrio vul...
One of the main functions of microbial rhodopsins is outward-directed light-driven proton transport across the plasma membrane, which can provide sources of energy alternative to respiration and chlorophyll photosynthesis. Proton-pumping rhodopsins are found in Archaea (Halobacteria), multiple g...
Variable lymphocyte receptors (VLRs) are non-immunoglobulin components of adaptive immunity in jawless vertebrates. These proteins composed of leucine-rich repeat modules offer some advantages over antibodies in target binding and therefore are attractive candidates for biotechnologica...
ABC transporters are fascinating examples of fine-tuned molecular machines that use the energy from ATP hydrolysis to translocate a multitude of substrates across biological membranes. While structural details have emerged on many members of this large protein superfamily, a number of ...
Giant unilamellar vesicles (GUVs) are simple model membrane systems of cell-size, which are instrumental to study the function of more complex biological membranes involving heterogeneities in lipid composition, shape, mechanical properties, and chemical properties. We have devised a method that...
The transmembrane NS4B protein of dengue virus (DENV) is a validated antiviral target that plays important roles in viral replication and invasion of innate immune response. The first 125 amino acids of DENV NS4B are sufficient for inhibition of alpha/beta interferon signaling. Resistance mutati...
Lipidic amphiphiles equipped with the trans-2-aminocyclohexanol (TACH) moiety are promising pH-sensitive conformational switches ("flipids") that can trigger a lipid bilayer perturbation in response to increased acidity. Because pH-sensitivity was shown to improve the efficiency of several gene ...
Applying fibril-forming peptides in nanomaterial design is still challenged by the difficulties in understanding and controlling how fibrils form. The present work investigates the influence of motional restriction on peptide fibrillation. We use cyclotriphosphazene and cyclodextrin as templates...
The radiation resistant bacterium, Deinococcus radiodurans contains two major surface (S)-layer proteins, Hpi and SlpA. The Hpi protein was shown to (a) undergo specific in vivo cleavage, and (b) closely associate with the SlpA protein. Using a non-specific acid phosphatase from Salmonella enter...
A straightforward way to visualize gel to liquid-crystalline phase transition in phospholipid membranes is presented by using 13C magic-angle spinning NMR. The changes in the 13C isotropic chemical shifts with increasing temperature are shown to be a sensitive probe of the main thermot...