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Tail-anchored membrane proteins: prediction, targeting, assembly and function. Using computer-based searches of genome sequence data, we now have a complete list of tail-anchored membrane proteins in the yeast Saccharomyces cerevisiae. These include a number of essential proteins, such as SNAREs and TOM proteins responsible for building cellular membranes in all organisms, including man. Of the additional protein sequences discovered in the search, 8 represent proteins of known function while 19 ....Tail-anchored membrane proteins: prediction, targeting, assembly and function. Using computer-based searches of genome sequence data, we now have a complete list of tail-anchored membrane proteins in the yeast Saccharomyces cerevisiae. These include a number of essential proteins, such as SNAREs and TOM proteins responsible for building cellular membranes in all organisms, including man. Of the additional protein sequences discovered in the search, 8 represent proteins of known function while 19 are novel. We propose to study the subcellular location of these 19 novel proteins, and solve how they are targeted to and inserted in membranes. We will also investigate the function of the newly-discovered proteins.Read moreRead less
Structure and function of the protein translocation channels in the mitochondrial outer membrane. Biological membranes are the basis of life and understanding how proteins are inserted into membranes is a major goal in the Biological Sciences. The TOM complex is a molecular machine mediating protein insertion into a biological membrane. Recent successes with X-ray diffraction of protein crystals, and solution and solid-state NMR spectroscopy have heralded leaps-and-bound advances for our knowled ....Structure and function of the protein translocation channels in the mitochondrial outer membrane. Biological membranes are the basis of life and understanding how proteins are inserted into membranes is a major goal in the Biological Sciences. The TOM complex is a molecular machine mediating protein insertion into a biological membrane. Recent successes with X-ray diffraction of protein crystals, and solution and solid-state NMR spectroscopy have heralded leaps-and-bound advances for our knowledge of how membranes work at the molecular level. Using a combination of phylogenetic analysis, yeast genetics and these new techniques from structural biology, we will characterize the structure and function of the core from the TOM complex.Read moreRead less