About The Medical Condition GTP-Binding Protein alpha Subunit
Find the definition of the medical term GTP-Binding Protein alpha Subunit. GTP-Binding Protein alpha Subunit defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
GTP-Binding Protein alpha Subunit
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What's The Definition Of The Medical Condition GTP-Binding Protein alpha Subunit?
GTP-BINDING PROTEINS that contain three non-identical subunits. They are found associated with members of the seven transmembrane domain superfamily of G-protein coupled receptors. The G-alpha subunit acts as a signal transduction molecule when it binds GTP and dissociates from the heterotrimer. Hydrolysis of GTP by the inherent GTPase activity of the protein causes it to revert to its inactive (heterotrimeric) form. EC 3.6.1.-.
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