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Showing 1 to 20 of 31 for “"Methanobacterium"”.
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Formylmethanofuran formation in Methanobacterium thermoautotrophicum
The initial step of methanogenesis from CO$\sb2$ is the formation of formyl-methanofuran (formyl-MFR) from methanofuran, CO$\sb2$ and H$\sb2$. This reaction is not measurable in vitro unless activated. The enzymology, and the activation of this reaction were studied.
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Transmethylation Reactions in Methanobacterium Strain M. O. H
Made available in DSpace on 2014-12-11T18:16:48Z (GMT). No. of bitstreams: 1 7114862.pdf: 4551972 bytes, checksum: 6257034420cee2754528ce5c52afd20d (MD5) Previous issue date: 1970
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The Methyl-Coenzyme M Reductase System in Methanobacterium Thermoautotrophicum
Made available in DSpace on 2014-12-14T07:14:45Z (GMT). No. of bitstreams: 1 7804010.pdf: 4777401 bytes, checksum: fc91aa47a8e3f2b0af685858c4c06d47 (MD5) Previous issue date: 1977
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Studies on the Methylcoenzyme M Methylreductase System of Methanobacterium Thermoautotrophicum
The methylcoenzyme M methylreductase system of Methanobacterium thermoautotrophicum catalyzes the reductive demethylation of methylcoenzyme M by H$\sb2$. It had been previously shown to consist of four protein fractions, named components A1, A2, A3, and C. In this work, component A2 was purified to …
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The role of molybdenum in the formate dehydrogenase of methanobacterium formicicum
… pterin cofactor in the formate dehydrogenase of Methanobacterium formicicum revealed that the cofactor is a 6-substituted pterin similar to the molybdopterin of xanthine oxidase. In contrast to the molybdopterin from xanthine oxidase the formate dehydrogenase cofactor was unable to complement the …
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The Activation and Reduction of Carbon-Dioxide to Methane in Methanobacterium Thermoautotrophicum
Made available in DSpace on 2014-12-14T07:14:46Z (GMT). No. of bitstreams: 1 7913593.pdf: 5179987 bytes, checksum: e73c414f01de64888fe1cbf956cb1a0b (MD5) Previous issue date: 1978
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A biochemical and physiological characterization of coenzyme F420-reducing hydrogenase from Methanobacterium formicicum
The coenzyme F₄₂₀-reducing hydrogenase of Methanobacterium formicicum was purified 87-fold to electrophoretic homogeneity. The enzyme formed aggregates (1,000 kd) of a coenzyme F₄₂₀-active monomer (109 kd) composed of 1 each of a, β, and γ subunits (43.6, 36.7, xy and 28.8 kd, respectively). It …
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The Structure of Coenzyme F420, a Novel Electron Carrier Isolated From Methanobacterium Strain m.o.h
Made available in DSpace on 2014-12-14T07:14:45Z (GMT). No. of bitstreams: 1 7811229.pdf: 5632154 bytes, checksum: 7e8c00fb0ed2cfb07179155d42128a93 (MD5) Previous issue date: 1978
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Identifizierung und Charakterisierung von thermostabilen Uracil Glykosylasen von Archaeon Methanobacterium thermoautotrophicum und Bakterium Thermus thermophilus
… zweier thermophiler Mikroorganismen: Archeon Methanobacterium thermoautotrophicum DH und Bakterium Thermus thermophilus HB27. Die in vivo Rolle der charakterisierten Proteine wurde anhand der Kombination der enzymatischen Daten mit der vergleichenden Genomanalyse diskutiert.
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The Structure of The Carbon Dioxide Reduction Factor, a Novel Carbon Carrier in Methanobacterium Thermoautotrophicum
Made available in DSpace on 2014-12-16T06:12:51Z (GMT). No. of bitstreams: 1 8409984.pdf: 3721066 bytes, checksum: eb26f8d46b1910adac3f827266c16bb5 (MD5) Previous issue date: 1983
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Redox-sensitive enzyme activities involved in methyl group transfer and coenzyme F420 conversion in Methanobacterium thermoautotrophicum
Contains fulltext : mmubn000001_111343151.pdf (Publisher’s version ) (Open Access)
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Electron-Transfer Reactions Involved in Hydrogen and Formate Metabolism by Cell-Free Extracts of Methanobacterium Ruminantium
Made available in DSpace on 2014-12-12T00:36:26Z (GMT). No. of bitstreams: 1 7412226.pdf: 2775736 bytes, checksum: 1261fff0c4615056ee6cd34ebab002ce (MD5) Previous issue date: 1973
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Biochemical and chemical studies of the components involved in the final step of methane formation in Methanobacterium
The final step of methane formation in Methanobacterium thermoautotrophicum is a reductive demethylation of 2-(methylthio)ethanesulfonic acid (CH$\sb3$-S-CoM) with reducing equivalents from 7-(mercaptoheptanoyl)-L-threonine O$\sp3$-phosphate (HS-HTP). The enzyme that catalyzes this step is the …
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The Identification and Methylation of Coenzyme-M, a Cofactor Involved in Methanogenesis in Methanobacterium Strain M. O. H
Made available in DSpace on 2014-12-11T18:16:55Z (GMT). No. of bitstreams: 1 7412208.pdf: 4295071 bytes, checksum: 1ebcc21ae2a9a14a61b42bd5018257f9 (MD5) Previous issue date: 1973
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Characterization of Enzymes of the Methylcoenzyme M Reductase System From Methanobacterium Thermoautotrophicum and Identification of a Factor Required for Growth of Methanomicrobium Mobile
… by a methylcoenzyme M reductase (MR). In Methanobacterium thermoautotrophicum strain $\Delta$H, this reaction has been shown to require minimally two additional protein components (A2 and A3a), as well as ATP and a second reductant. Although component A2 has been purified to homogeneity, …
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Biochemical and molecular characterization of tetrahydromethanopterin-dependent enzymes in methanogenesis
… (THF). Enzymes mediating these reactions in Methanobacterium thermoautotrophicum were subjected to biochemical and molecular analysis to determine their relatedness to the analogous THF-dependent reactions in non-methanogens.
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The Structure and Function of Component B of The Methylcoenzyme M Methylreductase System
… was first fractionated using cell extracts from Methanobacterium thermoautotrophicum strain $\Delta$H, three fractions were found to be required. Two of these fractions, components A and C, were found to be protein components. The third, component B, was described as a low-molecular weight, …
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Bioenergetics of Methanococcus voltae: Possible role for a primary sodium pump in ATP formation
… Results obtained with protoplasts from Methanobacterium thermoautotrophicum also agree with a chemiosmotic mechanism of ATP synthesis. Lancaster proposed a mechanism of ATP formation in M. voltae coupled to a novel scheme of substrate level phosphorylation. The mechanisms of ATP …
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Structural Characterization of the Transfer Ribonucleic Acids From Halobacterium Volcanii and Other Archaebacteria
… (Halobacterium volcanii, Halococcus morrhuae, Methanobacterium bryantii, Methanobrevibacter smithii, Methanococcus vannielii, Methanococcus voltae, Methanomicrobium mobile, Methanosarcina barkeri, Thermoplasma acidophilum, and Sulfolobus acidocaldarius), as analyzed by two-dimensional thin …
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Novel Compounds From Methanogens: Characterization of Component B of the Methylreductase System and Mobile Factor
… of component B based on cell-free extract of Methanobacterium thermoautotrophicum stripped of small molecular weight cofactors by anaerobic column chromatography was developed. Component B was purified to homogeneity from boiled cell extract of M. thermoautotrophicum by anaerobic …
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