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Hemes magnetic circular dichroism

Probing Metalloproteins Electronic absorption spectroscopy of copper proteins, 226, 1 electronic absorption spectroscopy of nonheme iron proteins, 226, 33 cobalt as probe and label of proteins, 226, 52 biochemical and spectroscopic probes of mercury(ii) coordination environments in proteins, 226, 71 low-temperature optical spectroscopy metalloprotein structure and dynamics, 226, 97 nanosecond transient absorption spectroscopy, 226, 119 nanosecond time-resolved absorption and polarization dichroism spectroscopies, 226, 147 real-time spectroscopic techniques for probing conformational dynamics of heme proteins, 226, 177 variable-temperature magnetic circular dichroism, 226, 199 linear dichroism, 226, 232 infrared spectroscopy, 226, 259 Fourier transform infrared spectroscopy, 226, 289 infrared circular dichroism, 226, 306 Raman and resonance Raman spectroscopy, 226, 319 protein structure from ultraviolet resonance Raman spectroscopy, 226, 374 single-crystal micro-Raman spectroscopy, 226, 397 nanosecond time-resolved resonance Raman spectroscopy, 226, 409 techniques for obtaining resonance Raman spectra of metalloproteins, 226, 431 Raman optical activity, 226, 470 surface-enhanced resonance Raman scattering, 226, 482 luminescence... [Pg.457]

Cryoreduction of ferric metalloproteins has been mostly done by y-irradiating of frozen solutions of heme proteins at 77K, unless it is specially stated otherwise. Cryoradiolytic reduction of ferric cytochrome c and its complexes with fluoride, azide, cyanide, and imidazole were studied using optical absorption spectroscopy and magnetic circular dichroism.36,39,46 44 The primary products of cryoreduction of low-... [Pg.114]

Vickery L, Nozawa T, Sauer K (1976) Magnetic circular dichroism studies of myoglobin complexes. Correlations with heme spin state and axial ligation. J Am Chem Soc 98 343-350... [Pg.313]

Yang Y-S, Broadwater J, Pulver SC, Fox BG, Solomon EL Circular dichroism and magnetic circular dichroism studies of the reduced binuclear non-heme iron site of stearoyl-ACP. A -desaturase substrate binding and comparison to ribonucleotide reductase. J. Am. Chem. Soc. 1999 121 2770-2783. [Pg.499]

Pavel EG, Zhou J, Busby RW, Gunsior M, Townsend CA, Solomon El. Circular dichroism and magnetic circular dichroism spectroscopic studies of the non-heme ferrous active site in clavaminate synthase and its interaction with a-ketoglutarate cosubstrate. J. Am. Chem. Soc. 1998 120 743-753. [Pg.735]

Circular dichroism (CD) spectroscopy has been used to study the cleaved (73), deflavo (74), and intact (19, 60) forms of flavocytochrome 62 from S. cerevisiae and the intact enzyme from H. anomala (73, 75). Magnetic circular dichroism (MCD) has been used to probe the holo-and deflavo-cleaved enzyme from S. cerevisiae (76), as well as the cytochrome 62 core (77). It was noted that bands in the CD and MCD spectra ascribed to the heme were affected by removal of the FMN group, providing direct evidence of an interaction between the two prosthetic groups (73). Circular dichroism experiments on the intact and cleaved forms of S. cerevisiae flavocytochrome 62 led Jacq and Lederer (19) to conclude that there were differences in the heme environment between these two forms of the enzyme. [Pg.271]

Dooley, D. M., and J. H. Dawson. Bioinorganic applications of magnetic circular dichroism spectroscopy Copper, rare-earth ions, cobalt, and non-heme iron systems. Coord. Chem. Rev. 60 (1984), 1-66. [Pg.586]

Davydov, R.M., S.N. Magonov, A.M. Arutyunyan, and Y.A. Sharonov (1978). Absorption and magnetic circular dichroism spectra of heme-containing proteins in nonequilibrium states. IV Cytochrome c and its derivatives. Molek. Biol. (Eng. Transl.) 12, 1037-1042. [Pg.177]

M. Sono, A.M. Bracete, A.M. Huff, M. Ikeda-Saito, and J.H. Dawson, Evidence that a formyl-substituted iron porphyrin is the prosthetic group of myeloperoxidase magnetic circular dichroism similarity of the peroxidase to Spirographis heme-reconstituted myoglobin, Proc. Natl. Acad. Sci. USA 88 11148 (1991). [Pg.284]

Solomon El, Pavel EG et al (1995) Magnetic circular dichroism spectroscopy as a probe of the geometric and electronic structure of non-heme ferrous enzymes. Coord Chem Rev 144 369 60... [Pg.160]

Cheek J, Dawson JH (1999) Magnetic circular dichroism spectroscopy of heme proteins and model systems. Porphyr Handb 7 339-369... [Pg.160]

Magnetic Circular Dichroism Spectroscopy of Heme Proteins and Model Systems... [Pg.369]

Typical values for 6C heme-nitrosyls are markedly smaller than those for their 5C analogs. Consistently, magnetic circular dichroism (MCD) spectroscopic measurements and DFT calculations (125) show a decrease in the spin density on Fe when going from 5C [Fe(TPP)(NO)] to 6C [Fe(TPP)(MI)(NO)]. Other EPR differential features related to the hyperfine splitting pattern have been analyzed in detail in a recent review (45), as is... [Pg.112]

Pulver SC, Tong WH, Bollinger Jr MJ, Stubbe J, Solomon El. 1995. Circular dichro-ism and magnetic circular dichroism studies of the ftilly reduced binuclear non-heme iron active site in the Escherichia coli R2 subunit of ribonucleoside diphosphate redic-tase. J Am Chem Soc 117 12664-12678. [Pg.372]

See other pages where Hemes magnetic circular dichroism is mentioned: [Pg.238]    [Pg.177]    [Pg.214]    [Pg.400]    [Pg.130]    [Pg.478]    [Pg.300]    [Pg.99]    [Pg.355]    [Pg.2154]    [Pg.273]    [Pg.1396]    [Pg.1758]    [Pg.202]    [Pg.198]    [Pg.198]    [Pg.641]    [Pg.642]    [Pg.50]    [Pg.177]    [Pg.2153]    [Pg.175]    [Pg.7]    [Pg.146]    [Pg.629]    [Pg.19]    [Pg.159]    [Pg.273]    [Pg.326]   
See also in sourсe #XX -- [ Pg.201 , Pg.202 , Pg.203 , Pg.204 , Pg.205 , Pg.206 , Pg.207 , Pg.208 ]



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