Describe the general function and structural features of G-protein-coupled receptors (GPCRs). Be sure to include an explanation of GTPase activating proteins (GAPs) and GDP exchange factors (GEFs) in the context of the GTPase cycle. How are different classes of heterotrimeric G-proteins defined?

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter9: Cell Communication
Section9.4: Signaling Pathways Triggered By Internal Receptors
Problem 1SB: What distinguishes a steroid receptor from a receptor tyrosine kinase receptor or a...
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 Describe the general function and structural features of G-protein-coupled receptors (GPCRs). Be sure to include an explanation of GTPase activating proteins (GAPs) and GDP exchange factors (GEFs) in the context of the GTPase cycle. How are different classes of heterotrimeric G-proteins defined?

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