Matches in SemOpenAlex for { <https://semopenalex.org/work/W4313455909> ?p ?o ?g. }
- W4313455909 abstract "Abstract c-Abl kinase, a key signalling hub in many biological processes ranging from cell development to proliferation, is tightly regulated by two inhibitory Src homology domains. An N-terminal myristoyl-modification can bind to a hydrophobic pocket in the kinase C-lobe, which stabilizes the auto-inhibitory assembly. Activation is triggered by myristoyl release. We used molecular dynamics simulations to show how both myristoyl and the Src homology domains are required to impose the full inhibitory effect on the kinase domain, and reveal the allosteric transmission pathway at residue-level resolution. Importantly, we find myristoyl insertion into a membrane to thermodynamically compete with binding to c-Abl. Myristoyl thus not only localizes the protein to the cellular membrane, but membrane attachment at the same time enhances activation of c-Abl by stabilizing its pre-activated state. Our data put forward a model in which lipidation tightly couples kinase localization and regulation, a scheme that currently appears to be unique for this non-receptor tyrosine kinase." @default.
- W4313455909 created "2023-01-06" @default.
- W4313455909 creator A5054677759 @default.
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- W4313455909 date "2022-12-20" @default.
- W4313455909 modified "2023-09-26" @default.
- W4313455909 title "Myristoyl’s dual role in allosterically regulating and localizing Abl kinase" @default.
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- W4313455909 doi "https://doi.org/10.1101/2022.12.20.521177" @default.
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