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Nickel hydrogenases spectroscopy

Atomic absorption spectrometry, EPR spectroscopy and inductively coupled plasma (ICP) analysis had shown that the D. gigas hydrogenase contains one nickel and twelve ( 1) iron atoms, eleven of which are distributed among the three [FeS] clusters. This strongly suggested that the remaining twelfth iron atom could be one of the two metal ions revealed by the active site electron density. To verify this... [Pg.116]

Comparison of EPR [25] and ESEEM [26] spectra of the NiFe-hydrogenases in HjO and D2O indicates the presence of exchangable protons in the vicinity of the nickel in the Ni-C state. Q-band ENDOR spectroscopy [27] indicates two types of exchangable protons. These exchangable protons only interact weakly with nickel and so it is concluded that they are outside the first coordination... [Pg.468]

See other pages where Nickel hydrogenases spectroscopy is mentioned: [Pg.646]    [Pg.343]    [Pg.646]    [Pg.6791]    [Pg.99]    [Pg.103]    [Pg.128]    [Pg.150]    [Pg.158]    [Pg.184]    [Pg.192]    [Pg.271]    [Pg.275]    [Pg.278]    [Pg.279]    [Pg.350]    [Pg.314]    [Pg.647]    [Pg.245]    [Pg.102]    [Pg.358]    [Pg.31]    [Pg.4332]    [Pg.344]    [Pg.1577]    [Pg.1585]    [Pg.647]    [Pg.174]    [Pg.182]    [Pg.405]    [Pg.410]    [Pg.4331]    [Pg.468]    [Pg.6792]    [Pg.549]    [Pg.132]    [Pg.265]    [Pg.1156]    [Pg.1159]    [Pg.1160]    [Pg.1162]    [Pg.1163]    [Pg.1164]    [Pg.433]    [Pg.514]    [Pg.230]   
See also in sourсe #XX -- [ Pg.343 ]



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