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  • Title: Histone H1-stimulated phosphorylase phosphatase from rabbit skeletal muscle.
    Author: Mellgren RL, Schlender KK.
    Journal: Biochem Biophys Res Commun; 1983 Dec 16; 117(2):501-8. PubMed ID: 6318760.
    Abstract:
    A major rabbit skeletal muscle phosphorylase phosphatase activity which is markedly stimulated by histone H1 has been resolved from inhibitor-sensitive phosphorylase phosphatase (type-1 phosphatase), glycogen synthase kinase 3-activated phosphatase, phosphatase heat-stable inhibitor proteins, and alkaline phosphatase activity by various purification techniques. Evidence is presented that this phosphatase is a high-molecular weight form of a type-2 phosphatase. Our data suggest that this phosphatase may be regulated by histone H1, protamine or analogous polycationic compounds.
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