Matches in SemOpenAlex for { <https://semopenalex.org/work/W4376276391> ?p ?o ?g. }
- W4376276391 abstract "Abstract ATGL is the key enzyme in intracellular lipolysis playing a critical role in metabolic and cardiovascular diseases. ATGL is tightly regulated through a known set of protein-protein interaction partners with activating or inhibiting functions in control of lipolysis. However, the binding mode and protein interaction sites of ATGL and its partners are unknown. Using deep mutational protein interaction perturbation scanning we generated comprehensive profiles of single amino acid variants effecting the interactions of ATGL with its regulatory partners: CGI-58, G0S2, PLIN1, PLIN5 and CIDEC. Twenty-three ATGL variants gave a specific interaction perturbation pattern when validated in co-immunoprecipitation experiments in mammalian cells. We identified and characterized eleven, highly selective ATGL “switch” mutations which affect the interaction of one of the five partners without affecting the others. Switch mutations thus provided distinct interaction determinants for ATGL’s key regulatory proteins at an amino acid resolution. When tested for triglyceride hydrolase activity in vitro and lipolysis in cells, the activity patterns of the ATGL switch variants traced to their protein interaction profile. In the context of structural data, the integration of variant binding and activity profiles provided important insights into lipolysis regulation and the impact of mutations in human disease." @default.
- W4376276391 created "2023-05-13" @default.
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- W4376276391 date "2023-05-12" @default.
- W4376276391 modified "2023-10-18" @default.
- W4376276391 title "Mutational scanning pinpoints distinct binding sites of key ATGL regulators in lipolysis" @default.
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- W4376276391 doi "https://doi.org/10.1101/2023.05.10.540188" @default.
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