Search Results - "Hiser, Carrie"
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The K-path entrance in cytochrome c oxidase is defined by mutation of E101 and controlled by an adjacent ligand binding domain
Published in Biochimica et biophysica acta. Bioenergetics (01-09-2018)“…Three mutant forms of Rhodobacter sphaeroides cytochrome c oxidase (RsCcO) were created to test for multiple K-path entry sites (E101W), the existence of an…”
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Role of conformational change and K-path ligands in controlling cytochrome c oxidase activity
Published in Biochemical Society transactions (15-10-2017)“…Given the central role of cytochrome oxidase (C O) in health and disease, it is an increasingly important question as to how the activity and efficiency of…”
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Gating and regulation of the cytochrome c oxidase proton pump
Published in Biochimica et biophysica acta (01-04-2012)“…As a consumer of 95% of the oxygen we breathe, cytochrome c oxidase plays a major role in the energy balance of the cell. Regulation of its oxygen reduction…”
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Identification of Conserved Lipid/detergent-Binding Sites in a High-Resolution Structure of the Membrane Protein Cytochrome c Oxidase
Published in Proceedings of the National Academy of Sciences - PNAS (31-10-2006)“…Well ordered reproducible crystals of cytochrome c oxidase (CcO) from Rhodobactersphaeroides yield a previously unreported structure at 2.0 Å resolution that…”
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Identification of a Key Cholesterol Binding Enhancement Motif in Translocator Protein 18 kDa
Published in Biochemistry (Easton) (24-02-2015)“…Translocator protein 18 kDa (TSPO) in the mitochondrial outer membrane has been implicated in cholesterol transport regulating steroidogenesis. A human single…”
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A Conserved Amphipathic Ligand Binding Region Influences K‑Path-Dependent Activity of Cytochrome c Oxidase
Published in Biochemistry (Easton) (26-02-2013)“…A conserved, crystallographically defined bile acid binding site was originally identified in the membrane domain of mammalian and bacterial cytochrome c…”
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Cardiolipin Deficiency in Rhodobacter sphaeroides Alters the Lipid Profile of Membranes and of Crystallized Cytochrome Oxidase, but Structure and Function Are Maintained
Published in Biochemistry (Easton) (17-05-2011)“…Many recent studies highlight the importance of lipids in membrane proteins, including in the formation of well-ordered crystals. To examine the effect of…”
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Crystallographic Location and Mutational Analysis of Zn and Cd Inhibitory Sites and Role of Lipidic Carboxylates in Rescuing Proton Path Mutants in Cytochrome c Oxidase
Published in Biochemistry (Easton) (29-05-2007)“…Cytochrome c oxidase (CcO) transfers protons from the inner surface of the enzyme to the buried O2 reduction site through two different pathways, termed K and…”
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Role of the Conserved Arginine Pair in Proton and Electron Transfer in Cytochrome c Oxidase
Published in Biochemistry (Easton) (18-05-2004)“…A hydrogen-bonded network is observed above the hemes in all of the high-resolution crystal structures of cytochrome oxidases. It includes water and a pair of…”
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TSPO protein binding partners in bacteria, animals, and plants
Published in Journal of bioenergetics and biomembranes (01-08-2021)“…The ancient membrane protein TSPO is phylogenetically widespread from archaea and bacteria to insects, vertebrates, plants, and fungi. TSPO’s primary amino…”
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New TSPO Crystal Structures of Mutant and Heme-Bound Forms with Altered Flexibility, Ligand Binding, and Porphyrin Degradation Activity
Published in Biochemistry (Easton) (04-04-2023)“…The ancient protein TSPO (translocator protein 18kD) is found in all kingdoms and was originally identified as a binding site of benzodiazepine drugs. Its…”
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Membrane Potential-controlled Inhibition of Cytochromec Oxidase by Zinc
Published in The Journal of biological chemistry (26-04-2002)“…Like many voltage-sensitive ion pumps, cytochromec oxidase is inhibited by zinc. Binding of zinc to the outside surface of Rhodobacter sphaeroides cytochromec…”
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Genetic modification of respiratory capacity in potato
Published in Plant physiology (Bethesda) (1996)“…Mitochondrial respiration was altered in transgenic potato (Solanum tuberosum) lines by overexpression of the alternative oxidase Aox1 gene. Overexpressing…”
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Tryptophan rich sensory protein, TSPO: Functional insights from high resolution structures
Published in Biochimica et biophysica acta. Bioenergetics (01-09-2018)Get full text
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Redox-Dependent Conformational Changes in Cytochrome c Oxidase Suggest a Gating Mechanism for Proton Uptake
Published in Biochemistry (Easton) (16-06-2009)“…A role for conformational change in the coupling mechanism of cytochrome c oxidase is the subject of controversy. Relatively small conformational changes have…”
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Alternative oxidase of potato is an integral membrane protein synthesized de novo during aging of tuber slices
Published in Plant physiology (Bethesda) (01-05-1990)“…The rise in alternative respiratory capacity upon aging of potato (Solanum tuberosum) tuber slices is correlated with changes in mitochondrial membrane protein…”
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Translocator protein 18 kDa (TSPO): Structural insights and functional questions
Published in Biochimica et biophysica acta. Bioenergetics (01-08-2016)Get full text
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Expression, Purification and Characterization of Bacterial and Human Translocator Protein 18 kDa (TSPO)
Published in Biophysical journal (31-01-2012)Get full text
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