Heterotrimeric GTP-Binding Proteins |
| G-Proteins, Heterotrimeric; GTP-Binding Proteins, Heterotrimeric; Heterotrimeric G Proteins; Heterotrimeric GTP Binding 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. |
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