Academic literature on the topic 'Chain bound cluster'

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Journal articles on the topic "Chain bound cluster"

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Azam, Tamanna, Jonathan Przybyla-Toscano, Florence Vignols, Jérémy Couturier, Nicolas Rouhier, and Michael K. Johnson. "[4Fe-4S] cluster trafficking mediated by Arabidopsis mitochondrial ISCA and NFU proteins." Journal of Biological Chemistry 295, no. 52 (2020): 18367–78. http://dx.doi.org/10.1074/jbc.ra120.015726.

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Numerous iron-sulfur (Fe-S) proteins with diverse functions are present in the matrix and respiratory chain complexes of mitochondria. Although [4Fe-4S] clusters are the most common type of Fe-S cluster in mitochondria, the molecular mechanism of [4Fe-4S] cluster assembly and insertion into target proteins by the mitochondrial iron-sulfur cluster (ISC) maturation system is not well-understood. Here we report a detailed characterization of two late-acting Fe-S cluster-carrier proteins from Arabidopsis thaliana, NFU4 and NFU5. Yeast two-hybrid and bimolecular fluorescence complementation studies
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ZHENG, WEIHONG, CHRIS J. HAMER, RAJIV R. P. SINGH, SIMON TREBST, and HARTMUT MONIEN. "LINKED CLUSTER SERIES EXPANSIONS FOR TWO-PARTICLE STATES IN QUANTUM LATTICE MODELS." International Journal of Modern Physics B 17, no. 28 (2003): 5011–20. http://dx.doi.org/10.1142/s0217979203020144.

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We have developed strong-coupling series expansion methods to study the two-particle spectra in quantum lattice models. The properties of bound states and multiparticle excitations can reveal important information about the dynamics of a given model. At the heart of this method lies the calculation of an effective Hamiltonian in the two-particle subspace. We use an orthogonal transformation to perform this block diagonalising, and find that maintaining orthogonality is crucial for cases where the ground state and the two-particle subspace have identical quantum numbers. The two-particle Schröd
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Maruyama, Chitose, Haruka Niikura, Miho Izumikawa, et al. "tRNA-Dependent Aminoacylation of an Amino Sugar Intermediate in the Biosynthesis of a Streptothricin-Related Antibiotic." Applied and Environmental Microbiology 82, no. 12 (2016): 3640–48. http://dx.doi.org/10.1128/aem.00725-16.

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ABSTRACTThe antibiotic streptothricin (ST) possesses an amino sugar bound to anl-β-lysine (β-Lys) residue via a peptide bond. The peptide bond formation has been shown to be catalyzed by a nonribosomal peptide synthetase (NRPS) during ST biosynthesis. The focus of this study is the closely related ST analogue BD-12, which carries a glycine-derived side chain rather than a β-Lys residue. Here, inStreptomyces luteocolorNBRC13826, we describe our biosynthetic studies of BD-12, which revealed that the peptide bond between the amino sugar and the glycine residue is catalyzed by a Fem-like enzyme (O
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Young, Tynan, Dimitri Niks, Sheron Hakopian, et al. "Crystallographic and kinetic analyses of the FdsBG subcomplex of the cytosolic formate dehydrogenase FdsABG from Cupriavidus necator." Journal of Biological Chemistry 295, no. 19 (2020): 6570–85. http://dx.doi.org/10.1074/jbc.ra120.013264.

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Formate oxidation to carbon dioxide is a key reaction in one-carbon compound metabolism, and its reverse reaction represents the first step in carbon assimilation in the acetogenic and methanogenic branches of many anaerobic organisms. The molybdenum-containing dehydrogenase FdsABG is a soluble NAD+-dependent formate dehydrogenase and a member of the NADH dehydrogenase superfamily. Here, we present the first structure of the FdsBG subcomplex of the cytosolic FdsABG formate dehydrogenase from the hydrogen-oxidizing bacterium Cupriavidus necator H16 both with and without bound NADH. The structur
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SUGANYA, GURUMURTHY, and SELVAKUMAR JOSHUA. "Determinants of supply chain effectiveness during economic slowdown – anexploratory study of the Indian Textiles Cluster." Industria Textila 71, no. 06 (2020): 519–29. http://dx.doi.org/10.35530/it.071.06.1748.

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This paper aims at studying the functioning of the supply chain in the garment cluster. It identifies key factors thatcontribute to the effective functioning of supply chain network and practices undertaken to can withstand adverseeconomic situations. Moreover, it was analysed the payment of dividends to the industry in terms of better businessperformance. This paper uses a case based exploratory research methodology, which aims to understand the causeand effect relationship between the variables influencing the supply chain network. A comprehensive literature reviewwas undertaken and logical
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SUGANYA, GURUMURTHY, and SELVAKUMAR JOSHUA. "Determinants of supply chain effectiveness during economic slowdown – anexploratory study of the Indian Textiles Cluster." Industria Textila 71, no. 06 (2020): 519–29. http://dx.doi.org/10.35530/t.071.06.1748.

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This paper aims at studying the functioning of the supply chain in the garment cluster. It identifies key factors thatcontribute to the effective functioning of supply chain network and practices undertaken to can withstand adverseeconomic situations. Moreover, it was analysed the payment of dividends to the industry in terms of better businessperformance. This paper uses a case based exploratory research methodology, which aims to understand the causeand effect relationship between the variables influencing the supply chain network. A comprehensive literature reviewwas undertaken and logical
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Shawkataly, Omar bin, Hafiz Malik Hussien Abdelnasir, Siti Syaida Sirat, Mukesh M. Jotani, and Edward R. T. Tiekink. "Undecacarbonyl[(4-methylsulfanylphenyl)diphenylphosphane]triruthenium(0): crystal structure and Hirshfeld surface analysis." Acta Crystallographica Section E Crystallographic Communications 74, no. 6 (2018): 791–95. http://dx.doi.org/10.1107/s2056989018006989.

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The title cluster compound, [Ru3(C19H17PS)(CO)11], comprises a triangle of Ru0 atoms, two of which are bonded to four carbonyl ligands. The third metal atom is bound to three carbonyl ligands and the phosphane-P atom of a dissymmetric phosphane ligand, PPh2(C6H4SMe-4); no Ru...S interactions are observed. The phosphane occupies an equatorial position and its proximity to an Ru—Ru edge results in the elongation of this bond with respect to the others [2.8933 (2) Å cf. 2.8575 (2) and 2.8594 (3) Å]. In the crystal, phenyl-C—H...O(carbonyl) and carbonyl-O...O(carbonyl) [2.817 (2) Å] interactions c
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Tan, Guoqiang, Jianxin Lu, Jacob P. Bitoun, Hao Huang, and Huangen Ding. "IscA/SufA paralogues are required for the [4Fe-4S] cluster assembly in enzymes of multiple physiological pathways in Escherichia coli under aerobic growth conditions." Biochemical Journal 420, no. 3 (2009): 463–72. http://dx.doi.org/10.1042/bj20090206.

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IscA/SufA paralogues are the members of the iron-sulfur cluster assembly machinery in Escherichia coli. Whereas deletion of either IscA or SufA has only a mild effect on cell growth, deletion of both IscA and SufA results in a null-growth phenotype in minimal medium under aerobic growth conditions. Here we report that cell growth of the iscA/sufA double mutant (E. coli strain in which both iscA and sufA had been in-frame-deleted) can be partially restored by supplementing with BCAAs (branched-chain amino acids) and thiamin. We further demonstrate that deletion of IscA/SufA paralogues blocks th
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Beanan, Lawrence R., and Jerome B. Keister. "Methylidyne-alkyne coupling on triruthenium clusters and hydrogenation of cluster-bound 1,3-dimetalloallyl units. A new model for Fischer-Tropsch chain growth." Organometallics 4, no. 10 (1985): 1713–21. http://dx.doi.org/10.1021/om00129a004.

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Godfrey, C., P. M. A. Gadsby, A. J. Thomson, C. Greenwood, and A. Coddington. "Electron-paramagnetic-resonance and magnetic-circular-dichroism studies on the formate dehydrogenase-nitrate reductase particle from Pseudomonas aeruginosa." Biochemical Journal 243, no. 1 (1987): 241–48. http://dx.doi.org/10.1042/bj2430241.

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The membrane-bound respiratory particle complex of Pseudomonas aeruginosa, which reduces nitrate to nitrite using formate as the electron donor, was prepared and characterized by e.p.r. and low-temperature magnetic c.d. (m.c.d.) spectroscopy. The particle complex has two enzymic components, namely nitrate reductase (NiR) and formate dehydrogenase (FDH), which are multi-centred proteins containing molybdenum, iron-sulphur clusters and cytochrome. By using results from work on the purified extracted enzymes NiR and FDH to aid in the assignment, it has been possible to observe spectroscopically a
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Dissertations / Theses on the topic "Chain bound cluster"

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Bulicanu, Vladimir. "Synthesis and study of magnetic molecular materials based on Co(II) and Cr(II) trinuclear clusters containing M-M bonds." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0239.

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Dans cette thèse est décrite la synthèse et les propriétés magnétiques des composés de coordination contenant des liaisons Co-Co ou Cr-Cr. Le contexte général sera discuté dans la première partie de ce travail en considérant l'évolution historique de ce type de chimie de coordination. Dans le deuxième chapitre, la possibilité d'intégrer un cluster {Co3} avec des ligands dipyridylamide et liaisons intermétalliques, dans des polymères de coordination unidimensionnels est discutée. Les interactions entre les porteurs de spin et l'effet du ligand pontant sont étudiés. Les changements des propriété
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Lepcio, Petr. "Efekt submikrometrických rysů na reologii polymerních nanokompozitů." Doctoral thesis, Vysoké učení technické v Brně. CEITEC VUT, 2018. http://www.nusl.cz/ntk/nusl-391876.

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Polymerní nanokompozity (PNCs) mají slibnou budoucnost jako lehké funkční materiály zpracovatelné aditivními výrobními technologiemi. Jejich rychlému rozšíření však brání silná závislost jejich užitných vlastností na prostorovém uspořádání nanočástic (NP). Schopnost řídit disperzi nanočástic je tak klíčovým předpokladem pro jejich uplatnění ve funkčních kompozitech. Tato práce zkoumá přípravu polymerních nanokompozitů v modelové sklotvorné polymerní matrici roztokovou metodou, technikou schopnou vytvářet prostorové uspořádání nanočástic řízené strukturními a kinetickými parametry přípravného p
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Books on the topic "Chain bound cluster"

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Lin, Nian, and Sebastian Stepanow. Designing low-dimensional nanostructures at surfaces by supramolecular chemistry. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.013.10.

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This article describes the use of supramolecular chemistry to design low-dimensional nanostructures at surfaces. In particular, it discusses the design strategies of two types of low-dimensional supramolecular nanostructures: structures stabilized by hydrogen bonds and structures stabilized by metal-ligand co-ordination interactions. After providing an overview of hydrogen-bond systems such as 0D discrete clusters, 1D chains, and 2D open networks and close-packed arrays, the article considers metal-co-ordination systems. It also presents experimental results showing that both hydrogen bonds an
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Conference papers on the topic "Chain bound cluster"

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Mishra, Piyush, Timothy Zwier, Edwin Sibert та Joshua Fischer. "PROPYLBENZENE-(H2O)n CLUSTERS: EFFECT OF THE ALKYL CHAIN ON THE π H-BOND". У 73rd International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2018. http://dx.doi.org/10.15278/isms.2018.te09.

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Keten, Sinan, and Markus J. Buehler. "Elasticity and Strength of Beta-Sheet Protein Materials: Geometric Confinement and Size Effects." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-205464.

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Elasticity and strength of proteins influence their biological functions. Under external forces, many proteins exhibit entropic elasticity with a characteristic stiffening elastic behavior and unravel due to the rupture of interstrand H-bonds. We develop a fracture mechanics based theoretical framework that considers the free energy competition between entropic elasticity of polypeptide chains and rupture of peptide hydrogen bonds, which we use here to provide an explanation for the intrinsic strength limit of protein domains at vanishing rates [1, 2]. Our analysis predicts that individual pro
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Chen, Peng-Yu, Wei-Hui Chen, and Che-Wun Hong. "Nanofludic Analysis on Methanol Crossover of Direct Methanol Fuel Cells." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52095.

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Direct methanol fuel cells (DMFCs) are considered as a competitive power source candidate for portable electronic devices. Nafion® has been widely used for the electrolyte of DMFCs because of its good proton conductivity and high chemical and mechanical stability. However, the major problem that must be solved before commercialization is the high methanol crossover through the membrane. There are a number of studies on experiments about the methanol crossover rate through the membrane but only few theoretical investigations have been presented [1–3]. In this paper, an atomistic model [4] is pr
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