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  • Title: Selective proteolysis of abnormal proteins of shortened chain length in rabbit reticulocytes.
    Author: Hipkiss AR, McKay MJ, Daniels RS, Worthington VC, Atkinson EM.
    Journal: Acta Biol Med Ger; 1981; 40(10-11):1265-75. PubMed ID: 7043992.
    Abstract:
    Proteolysis of certain shortened globin chains can proceed in cell-free extracts of rabbit reticulocytes in the absence of ATP. Proteolysis of amino acid analogue-induced abnormal globin chains of normal chain length may be stimulated by ATP, however. The ATP independent degradation of globin cyanogen bromide-peptides appears to require the presence of free, unblocked amino groups in the substrate, has a pH optimum of 7.8 and is inhibited by phenanthroline, cobalt and zinc ions, N-ethylmaleimide and cystamine.
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