Search Results - "Hargrove, Mark S."

Plant hemoglobins: a journey from unicellular green algae to vascular plants by Becana, Manuel, Yruela, Inmaculada, Sarath, Gautam, Catalán, Pilar, Hargrove, Mark S.

“…Globins (Glbs) are widely distributed in archaea, bacteria and eukaryotes. They can be classified into proteins with 2/2 or 3/3 α-helical folding around…”
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Nitric oxide in plants: the roles of ascorbate and hemoglobin by Wang, Xiaoguang, Hargrove, Mark S

“…Ascorbic acid and hemoglobins have been linked to nitric oxide metabolism in plants. It has been hypothesized that ascorbic acid directly reduces plant…”
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Plant and Cyanobacterial Hemoglobins Reduce Nitrite to Nitric Oxide under Anoxic Conditions by Sturms, Ryan, DiSpirito, Alan A, Hargrove, Mark S

“…The ability of ferrous hemoglobins to reduce nitrite to form nitric oxide has been demonstrated for hemoglobins from animals, including myoglobin, blood cell…”
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Structure and reactivity of hexacoordinate hemoglobins by Kakar, Smita, Hoffman, Federico G., Storz, Jay F., Fabian, Marian, Hargrove, Mark S.

“…The heme prosthetic group in hemoglobins is most often attached to the globin through coordination of either one or two histidine side chains. Those proteins…”
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NO dioxygenase activity in hemoglobins is ubiquitous in vitro, but limited by reduction in vivo by Smagghe, Benoit J, Trent, 3rd, James T, Hargrove, Mark S

“…Genomics has produced hundreds of new hemoglobin sequences with examples in nearly every living organism. Structural and biochemical characterizations of many…”
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A Ubiquitously Expressed Human Hexacoordinate Hemoglobin by Trent, James T., Hargrove, Mark S.

“…We have identified a new human hemoglobin that we call histoglobin because it is expressed in a wide array of tissues. Histoglobin shares less than 30%…”
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Plant Hemoglobins: A Molecular Fossil Record for the Evolution of Oxygen Transport by Hoy, Julie A., Robinson, Howard, Trent, James T., Kakar, Smita, Smagghe, Benoit J., Hargrove, Mark S.

“…The evolution of oxygen transport hemoglobins occurred on at least two independent occasions. The earliest event led to myoglobin and red blood cell hemoglobin…”
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Spectral, Kinetic, and Thermodynamic Properties of Cu(I) and Cu(II) Binding by Methanobactin from Methylosinus trichosporium OB3b by Choi, Dong W., Zea, Corbin J., Do, Young S., Semrau, Jeremy D., Antholine, William E., Hargrove, Mark S., Pohl, Nicola L., Boyd, Eric S., Geesey, G. G., Hartsel, Scott C., Shafe, Peter H., McEllistrem, Marcus T., Kisting, Clint J., Campbell, Damon, Rao, Vinay, de la Mora, Arlene M., DiSpirito, Alan A.

“…To examine the potential role of methanobactin (mb) as the extracellular component of a copper acquisition system in Methylosinus trichosporium OB3b, the metal…”
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Slow Ligand Binding Kinetics Dominate Ferrous Hexacoordinate Hemoglobin Reactivities and Reveal Differences between Plants and Other Species by Smagghe, Benoit J, Sarath, Gautam, Ross, Emily, Hilbert, Jean-louis, Hargrove, Mark S

“…Hexacoordinate hemoglobins are found in many living organisms ranging from prokaryotes to plants and animals. They are named “hexacoordinate” because of…”
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Comparison of the Dielectric Response Obtained from Fluorescence Upconversion Measurements and Molecular Dynamics Simulations for Coumarin 153−Apomyoglobin Complexes and Structural Analysis of the Complexes by NMR and Fluorescence Methods by Bose, Sayantan, Adhikary, Ramkrishna, Barnes, Charles A, Fulton, D. Bruce, Hargrove, Mark S, Song, Xueyu, Petrich, Jacob W

“…We present a comparison of the dielectric response obtained from fluorescence upconversion experiments and from molecular dynamics simulations of the complexes…”
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The role of the NADH-dependent nitrite reductase, Nir, from Escherichia coli in fermentative ammonification by Wang, Xiaoguang, Tamiev, Denis, Alagurajan, Jagannathan, DiSpirito, Alan A., Phillips, Gregory J., Hargrove, Mark S.

“…Nitrate and nitrite reduction are of paramount importance for nitrogen assimilation and anaerobic metabolism, and understanding the specific roles of each…”
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The Crystal Structure of Synechocystis Hemoglobin with a Covalent Heme Linkage by Hoy, Julie A., Kundu, Suman, Trent, James T., Ramaswamy, S., Hargrove, Mark S.

“…The x-ray crystal structure of Synechocystis hemoglobin has been solved to a resolution of 1.8 Å. The conformation of this structure is surprisingly different…”
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Crystal structure of a nonsymbiotic plant hemoglobin by Hargrove, Mark S, Brucker, Eric Allen, Stec, Boguslaw, Sarath, Gautam, Arredondo-Peter, Raúl, Klucas, Robert V, Olson, John S, Phillips, George N

“…Background: Nonsymbiotic hemoglobins (nsHbs) form a new class of plant proteins that is distinct genetically and structurally from leghemoglobins. They are…”
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Distal heme pocket regulation of ligand binding and stability in soybean leghemoglobin by Kundu, Suman, Hargrove, Mark S.

“…Leghemoglobins facilitate diffusion of oxygen through root tissue to a bacterial terminal oxidase in much the same way that myoglobin transports oxygen from…”
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Crystallographic Analysis of Synechocystis Cyanoglobin Reveals the Structural Changes Accompanying Ligand Binding in a Hexacoordinate Hemoglobin by Trent, James T., Kundu, Suman, Hoy, Julie A., Hargrove, Mark S.

“…The crystal structures of cyanide and azide-bound forms of the truncated hemoglobin from Synechocystis are presented at 1.8 Å resolution. A comparison with the…”
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The Association Rate Constant for Heme Binding to Globin Is Independent of Protein Structure by Hargrove, Mark S, Barrick, Doug, Olson, John S

“…Rate constants for CO-heme binding to 35 different recombinant apomyoglobins and several other apoproteins were measured in an effort to understand the factors…”
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Steady-State Kinetics of Phytoglobin-Catalyzed Reduction of Hydroxylamine to Ammonium by Alagurajan, Jagannathan, Singh Athwal, Navjot, Hargrove, Mark S

“…Phytoglobins are plant hexacoordinate hemoglobins with reversible coordination of a histidine side chain to the ligand binding site of the heme iron. They…”
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The Stability of Holomyoglobin Is Determined by Heme Affinity by Hargrove, Mark S, Olson, John S

“…The properties of wild-type, V68T, and H97D sperm whale myoglobins were compared to determine the relative importance of heme affinity and globin stability on…”
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Role of Reversible Histidine Coordination in Hydroxylamine Reduction by Plant Hemoglobins (Phytoglobins) by Athwal, Navjot Singh, Alagurajan, Jagannathan, Andreotti, Amy H, Hargrove, Mark S

“…Reduction of hydroxylamine to ammonium by phytoglobin, a plant hexacoordinate hemoglobin, is much faster than that of other hexacoordinate hemoglobins or…”
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Oxygen Generation via Water Splitting by a Novel Biogenic Metal Ion-Binding Compound by Dershwitz, Philip, Bandow, Nathan L, Yang, Junwon, Semrau, Jeremy D, McEllistrem, Marcus T, Heinze, Rafael A, Fonseca, Matheus, Ledesma, Joshua C, Jennett, Jacob R, DiSpirito, Ana M, Athwal, Navjot S, Hargrove, Mark S, Bobik, Thomas A, Zischka, Hans, DiSpirito, Alan A

“…Methanobactins (MBs) are small (<1,300-Da) posttranslationally modified copper-binding peptides and represent the extracellular component of a copper…”
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