Compare the G protein Gs, which acts in transducing the signal from β-adrenergic receptors, and the G protein Ras. What properties do they share? How do they differ? What is the functional difference between Gs and Gi?
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Shared Properties: Both Gs and Ras are G proteins, which are a family of proteins involved in transmitting chemical signals outside the cell, and causing changes inside the cell. They both bind to guanosine triphosphate (GTP) and guanosine diphosphate (GDP), and Show more…
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Compare the G protein Ras and the G protein Gs, which acts in transducing the signal from β-adrenergic receptors. Classify each characteristic as a property of Ras only, a property of Gs only, or a property that is shared by Ras and Gs. Property of Ras only: - Inactivated by GDP - Activates protein kinase - Switches off after a period of activation Property of Gs only: - Activates adenylyl cyclase Property shared by Ras and Gs: - Monomeric
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