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  • Title: The epr spectra of the inhibitor derivatives of cobalt carbonic anhydrase.
    Author: Bencini A, Bertini I, Canti G, Gatteschi D, Luchinat C.
    Journal: J Inorg Biochem; 1981 Feb; 14(1):81-93. PubMed ID: 6260899.
    Abstract:
    The epr spectra at 4.2 K of inhibitor derivatives of cobalt carbonic anhydrase have been recorded. The spectra can be grouped into two classes according to whether the low-field signal is broad or sharp and with g ranges of 6.1-6.8, 2.3-2.9, 1.6-1.8, and 5.8-6.2, 2.2-2.8, 1.5-1.8, respectively, The two kinds of spectra have been empirically related to the features of the room-temperature solution electronic spectra. A third kind of epr spectrum with a single broad signal is obtained when the inhibitor is in large excess. The possibility of using the epr spectra for deducing the geometry of cobalt enzymes is discussed.
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