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Mesh term Heterotrimeric GTP-Binding Proteins

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GTP-Binding Proteins
Intracellular Signaling Peptides and Proteins
Membrane Proteins


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. Upon activation the GTP-BINDING PROTEIN ALPHA SUBUNIT of the complex dissociates leaving a dimer of a GTP-BINDING PROTEIN BETA SUBUNIT bound to a GTP-BINDING PROTEIN GAMMA SUBUNIT.

Browse to child terms:
GTP-Binding Protein alpha Subunits
GTP-Binding Protein beta Subunits
GTP-Binding Protein gamma Subunits

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