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  • Title: Monoclonal antibodies to tissue-specific chromatin proteins.
    Author: Vanderbilt JN, Anderson JN.
    Journal: J Biol Chem; 1983 Jun 25; 258(12):7751-6. PubMed ID: 6190804.
    Abstract:
    Antisera raised in mice to chromatins from different tissues of the chicken reacted preferentially with the chromatin type that was used for immunization. This tissue specificity was also evident in the spectrum of monoclonal antibodies generated when mice were immunized with erythrocyte chromatin. Three erythroid-specific antigens and one antigen that was present in a number of chicken tissues were characterized in further detail. These antigens, which comprised less than 0.1% of the erythrocyte chromatin proteins, were nuclear localized although three were also detected in the cytoplasm. Two of the erythroid-specific antigens existed as multiple polypeptides in isolated chromatin. The multiple chromatin forms of one antigen were derived from a precursor protein that was selectively cleaved within 1 min after erythrocyte lysis. Analysis of this antigen in extracts from erythrocytes and reticulocytes indicated that the cleavage of the precursor protein was developmentally regulated in vivo.
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