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Developing orthogonal synthetic signaling cascades. This project proposes a generic approach for the construction of molecular switches based on artificially autoinhibited proteases. The bottom-up design of protein-based signaling networks is a key goal of synthetic biology. Yet, this remains elusive due to our inability to tailor-make signal transducers and receptors that can be readily compiled into defined signaling networks. Using structure-guided design and directed protein evolution, a set ....Developing orthogonal synthetic signaling cascades. This project proposes a generic approach for the construction of molecular switches based on artificially autoinhibited proteases. The bottom-up design of protein-based signaling networks is a key goal of synthetic biology. Yet, this remains elusive due to our inability to tailor-make signal transducers and receptors that can be readily compiled into defined signaling networks. Using structure-guided design and directed protein evolution, a set of protease-based signal transducers and ligand activated allosteric receptors will be created. The developed components are intended to be used to construct artificial signaling networks in mammalian cells that are orthogonal to the endogenous signaling cascades.Read moreRead less
A genomic and phenomic investigation of a mitochondrial glutathione transferase. The aim of this study is to understand of the genomics, structure and function of glutathione transferase Kappa (GSTK), a novel GST found in mitochondria. The investigations will achieve several outcomes. (1)an understanding of the organisation of GSTK gene(s) in humans and mice; (2) determination of the role of GSTK in mitochondria, by investigating the phenotype of knockout mice; (3) determination of the crysta ....A genomic and phenomic investigation of a mitochondrial glutathione transferase. The aim of this study is to understand of the genomics, structure and function of glutathione transferase Kappa (GSTK), a novel GST found in mitochondria. The investigations will achieve several outcomes. (1)an understanding of the organisation of GSTK gene(s) in humans and mice; (2) determination of the role of GSTK in mitochondria, by investigating the phenotype of knockout mice; (3) determination of the crystal structure of human GSTK; (4) An understanding of GSTK's substrate specificity, reaction kinetics and structure/function relationships. Since GSTK is confined to mitochondria, and may not be related to other GSTs, we may also identify novel functionsRead moreRead less
Design and engineering of proteins for biotechnology and biomedicine. The primary aim of this application is to enhance the thermodynamic and folding properties of proteins by redesign and engineering. The structures and folding behaviour of the redesigned proteins will be characterised using X-ray crystallography and biophysical techniques. The expected outcomes of this project are: engineering of new proteins that can be used in biotechnology, medical and pharmaceutical applications, or basic ....Design and engineering of proteins for biotechnology and biomedicine. The primary aim of this application is to enhance the thermodynamic and folding properties of proteins by redesign and engineering. The structures and folding behaviour of the redesigned proteins will be characterised using X-ray crystallography and biophysical techniques. The expected outcomes of this project are: engineering of new proteins that can be used in biotechnology, medical and pharmaceutical applications, or basic research; fundamental insights into protein design and engineering; and a wealth of knowledge on the factors that dictate protein stability and folding.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE110100085
Funder
Australian Research Council
Funding Amount
$450,000.00
Summary
Regional facility for macromolecular x-ray crystallography. This facility in the southern NSW/ACT region will allow research into structures of biological molecules. Research at the facility will contribute to advances in understanding of processes in living organisms, new drugs and new biotechnology with national and international significance.
Investigation of a Novel Protein Implicated in Phosphate Metabolism in Bacteria. Phosphate is an important nutrient for all forms of life on Earth. A novel bacterial protein has been identified that appears to be important for the uptake or processing of phosphate, since mutants lacking the protein grow poorly inside certain cells of the human immune system (where phosphate levels are low) and in media containing low phosphate. The aims of this project are: to determine the role of the protein b ....Investigation of a Novel Protein Implicated in Phosphate Metabolism in Bacteria. Phosphate is an important nutrient for all forms of life on Earth. A novel bacterial protein has been identified that appears to be important for the uptake or processing of phosphate, since mutants lacking the protein grow poorly inside certain cells of the human immune system (where phosphate levels are low) and in media containing low phosphate. The aims of this project are: to determine the role of the protein by examining all phosphate containing molecules in our mutants; to determine its location in bacteria and functional domains; to identify other affected genes in our mutants; and, to find proteins that interact with this new protein. This project expects to demonstrate the importance of this protein in phosphate metabolism in bacteria.Read moreRead less
Unveiling and characterisation of a fundamental pathway important in cell division. This work will have a major impact by producing top quality research that addresses a fundamental biological question of relevance to all organisms. The research will advance understanding of genetic factors important in foetal and early childhood development and proliferative disorders that occur during ageing. This work will provide intellectual and practical training to Honours and PhD students and postdoctora ....Unveiling and characterisation of a fundamental pathway important in cell division. This work will have a major impact by producing top quality research that addresses a fundamental biological question of relevance to all organisms. The research will advance understanding of genetic factors important in foetal and early childhood development and proliferative disorders that occur during ageing. This work will provide intellectual and practical training to Honours and PhD students and postdoctoral researchers in the disciplines of Molecular Genetics, Molecular & Cellular Biology, Developmental Cell Biology, Mass Spectrometry and Proteomics, which will be of immense benefit to their scientific careers and the Australian scientific community.Read moreRead less
Protein degradation in mammals. One mechanism by which the regulation of protein turnover occurs is the balance between the activity of enzymes responsible for the ubiquitination and deubiquitination of target proteins. The majority of targets of this second family of enzymes are unknown. This project proposes a method for the identification of the targets of two specific mammalian deubiquitinating enzymes in order to understand their function and to begin to explore this new research field. ....Protein degradation in mammals. One mechanism by which the regulation of protein turnover occurs is the balance between the activity of enzymes responsible for the ubiquitination and deubiquitination of target proteins. The majority of targets of this second family of enzymes are unknown. This project proposes a method for the identification of the targets of two specific mammalian deubiquitinating enzymes in order to understand their function and to begin to explore this new research field. Knowledge about this new aspect of protein degradation could provide a powerful tool to test the effect of the stabilisation or removal of specific proteins in the cell and also to develop new technologies in protein production.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0214135
Funder
Australian Research Council
Funding Amount
$492,000.00
Summary
High performance protein crystallography. This proposal will provide state of the art high performance facilities for protein crystallography, bringing together the major structural biology groups in NSW and the ACT. A renewed focus on protein crystal structures will stimulate new interpretation and utilization of the vast amount of data that has come from genomics, especially the sequencing of the human genome. The proposed facility will generate new research collaborations between the partn ....High performance protein crystallography. This proposal will provide state of the art high performance facilities for protein crystallography, bringing together the major structural biology groups in NSW and the ACT. A renewed focus on protein crystal structures will stimulate new interpretation and utilization of the vast amount of data that has come from genomics, especially the sequencing of the human genome. The proposed facility will generate new research collaborations between the partner institutions which will result in advances in basic life sciences, biotechnology and biopharmaceuticals. The facility will complement regional initiatives in functional genomics, bioinformatics, proteomics and high-field NMR spectroscopy.Read moreRead less
Mammalian histidine kinase: its characterisation and role in hepatic cellular proliferation. Protein kinases regulate all aspects of cellular metabolism, but there is a class of protein kinase, histidine kinases, which exists in mammalian cells, about which remarkably little is understood. This project will be the first detailed characterisation of such an enzyme and investigation of its cellular function. The enzyme to be characterised is hepatic and it has been implicated in the regulation of ....Mammalian histidine kinase: its characterisation and role in hepatic cellular proliferation. Protein kinases regulate all aspects of cellular metabolism, but there is a class of protein kinase, histidine kinases, which exists in mammalian cells, about which remarkably little is understood. This project will be the first detailed characterisation of such an enzyme and investigation of its cellular function. The enzyme to be characterised is hepatic and it has been implicated in the regulation of DNA replication in regenerating liver. We shall obtain a detailed picture of the role of this histidine kinase in liver cell biology and an insight into the more general biological role of this class of enzyme.Read moreRead less