The molecular mechanism by which insulin stimulates glycogen synthesis in mammalian skeletal muscle
- PMID: 2123524
- DOI: 10.1038/348302a0
The molecular mechanism by which insulin stimulates glycogen synthesis in mammalian skeletal muscle
Abstract
The ability of insulin to promote the phosphorylation of some proteins and the dephosphorylation of others is paradoxical. An insulin-stimulated protein kinase is shown to activate the type-1 protein phosphatase that controls glycogen metabolism, by phosphorylating its regulatory subunit at a specific serine. Furthermore, the phosphorylation of this residue is stimulated by insulin in vivo. Increased and decreased phosphorylation of proteins by insulin can therefore be explained through the same basic underlying mechanism.
Comment in
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Insulin signalling: search for the missing links.Nature. 1990 Nov 22;348(6299):286-7. doi: 10.1038/348286a0. Nature. 1990. PMID: 2250701 No abstract available.
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