Titlebook: Biological Electron Transfer Chains: Genetics, Composition and Mode of Operation; G. W. Canters,E. Vijgenboom Book 1998 Springer Science+B

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On the Mechanism of Nitrite Reductase: Complex between Pseudoazurin and Nitrite Reductase from ,atory denitrification pathway, in which nitrate is completely reduced to N.. Data from crystals of . Nir at -160°C in its oxidized and reduced forms, and with nitrite soaked into crystals, show that the reduced form binds ligands much less tightly than the oxidized form. Previouly published results

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Structural Research on the Methylamine Dehydrogenase Redox Chain of ,methylamine dehydrogenase (MADH), an inducible, periplasmic enzyme. This enzyme is a quinoprotein and contains the novel cofactor tryptophan tryptophylquinone (TTQ) (Fig. 1), which is derived from two tryptophan side chains [1], one of which has been modified to contain an orthoquinone. The reaction

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Microbial Amine Oxidoreductasesavoprotein oxidizes amine hormones and neurotransmitters, compounds regulating the behaviour of mammalian organisms. So far, less well known mammalian amine oxidases (with respect to physiological role and mechanism of action) were: histaminase, diamine oxidase, semicarbazide-sensitive amine oxidase

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The Chemistry of Biological Denitrification with the substrate (NO..) and inhibitors (CO, CN.) are described. The heme .. in the former and the Type 2 Cu in the latter are found to form complexes with exogenous ligands, as expected since these groups are presumed to constitute the active sites of the enzymes, at which nitrite is reduced to N

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The Solution Structure of Redox Proteins and Beyondes of proteins determined by NMR has grown very fast [2–5]. However, proteins containing paramagnetic metal ions represent an exception due to the experimental difficulties connected to the presence of one or more paramagnetic centres. The effect of the coupling between the spins of the unpaired ele

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Klarheit und Wertsch?tzung in der Führungnt first of all through the optimization of pulse sequences to detect dipolar connectivities between protons interacting with the paramagnetic centre. These pulse sequences included 1D NOEs experiments with special tricks to avoid the strong off-resonance effects arising from the high power level ne