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  • Title: Multiple nuclear protein kinase activities in rat liver and hepatoma 3924A.
    Author: Glazer RI, Morris HP.
    Journal: Cancer Biochem Biophys; 1977; 2(2):91-6. PubMed ID: 210925.
    Abstract:
    Multiple protein kinase activities were isolated from nuclei of rat and hepatoma 3924A, and purified 40- to 140-fold, respectively. Hepatic protein kinase-I exhibited high activity with casein as substrate, but was relatively inactive with either liver and hepatoma chromatin or mixed histone. In contrast, hepatoma protein kinase-I showed equivalent activity with casein and liver chromatin. Protein kinase-IIA, -IIB and-IIC from both tissues were more active with liver chromatin in comparison to casein and hepatoma chromatin, and exhibited similar electrophoretic profiles of 32P-chromatin.
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