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Electron paramagnetic resonance hydrogenase

The [NiFe] hydrogenase from D. gigas has been used as a prototype of the [NiFe] hydrogenases. The enzyme is a heterodimer (62 and 26 kDa subunits) and contains four redox active centers one nickel site, one [3Fe-4S], and two [4Fe-4S] clusters, as proven by electron paramagnetic resonance (EPR) and Mosshauer spectroscopic studies (174). The enzyme has been isolated with different isotopic enrichments [6 Ni (I = I), = Ni (I = 0), Fe (I = 0), and Fe (I = )] and studied after reaction with H and D. Isotopic substitutions are valuable tools for spectroscopic assignments and catalytic studies (165, 166, 175). [Pg.390]

Grande HJ, Dunham WR, Averill B, et al. 1983. Electron paramagnetic resonance and other properties of hydrogenases isolated from Desulfovibrio vulgaris (strain Hildenborough) and Megasphaera elsdenii. Eur J Biochem 136 201-7. [Pg.44]

Electron paramagnetic resonance spectroscopy, see also specific compounds aconitase, 47 479 APS reductase, 47 384 CODH/ACS, 47 314, 317 Fe hydrogenase, 47 389 FeMoco, 47 200... [Pg.91]

Albracht SPJ, Roseboom W, Hatchikian E. The active site of the [FeFe]-hydrogenase from Desulfovibrio desulfuricans. I. Light sensitivity and magnetic hyperfine interactions as observed by electron paramagnetic resonance. J Biol Inorg Chem. 2006 11(1) 88—101. [Pg.222]

Spectroscopic Characterization of Hydrogenase Enzymes Electron paramagnetic resonance... [Pg.1573]

One of the techniques that have been used extensively to characterize hydrogenase enzymes is electron paramagnetic resonance. There are several paramagnetic... [Pg.1573]

Guigliarelli B, More C, Foumel A, Asso M, Hatchikian EC, Williams R, Cammack R, Bertrand P. 1995. Stmctiiral organization of the Ni and the (4Fe-4S) centers in the active form of Desulfovibrio gigas hydrogenase analysis of the magnetic interactions by electron paramagnetic resonance spectroscopy. Biochemistry 34 4781-4790. [Pg.468]

See other pages where Electron paramagnetic resonance hydrogenase is mentioned: [Pg.291]    [Pg.294]    [Pg.72]    [Pg.133]    [Pg.23]    [Pg.36]    [Pg.113]    [Pg.31]    [Pg.17]    [Pg.467]    [Pg.83]   
See also in sourсe #XX -- [ Pg.505 ]



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