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  • Title: [Glycogen phosphorylase of skeletal muscles].
    Author: Vul'fson PL.
    Journal: Biokhimiia; 1986 Dec; 51(12):1974-92. PubMed ID: 3542060.
    Abstract:
    A review is given on the affinity modification of pyridoxal phosphate and AMP-binding sites as well as on the chemical modification of essential amino acid residues of phosphorylase (histidine residue of the substrate-binding site and cysteine residue of the coenzyme-binding site). The role of allosteric effectors (AMP and glucose-6-phosphate) and functionally important centers of the protein in conformational transitions of rabbit muscle phosphorylase b is discussed. The kinetic properties of rabbit and bovine muscle phosphorylase are compared. Bovine muscle phosphorylase is shown to be a partly phosphorylated form of the enzyme. Some peculiarities of the pH-dependence of kinetic behaviour of the hybrid form of the bovine muscle enzyme are discussed.
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