Receptorchannel linked by g protein binding of ligand

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Unformatted text preview: nked receptors: Receptor and enzyme are the same protein Ligand binding activates enzyme, action is direct Activated enzyme causes target response The phosphorylated protein that results can alter intracellular functions like metabolism G protein- Linked receptors Regulatory proteins Are linked to ECF messenger to ion channels, or amplifier enzymes ECF messenger is the first messenger Slow ligand- gated channels Receptor and channel are different proteins, action is indirect Receptor/channel linked by G- protein Binding of ligand activates the g protein Activates channel Change in ion transport...
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This document was uploaded on 03/23/2014 for the course BIOL 175 at Georgetown.

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