GO_term: GO:0005834   

GO:0005834	Definition	Any of a family of heterotrimeric GTP-binding and hydrolyzing proteins; they belong to a superfamily of GTPases that includes monomeric proteins such as EF-Tu and RAS. Heterotrimeric G-proteins consist of three subunits; the alpha subunit contains the guanine nucleotide binding site and possesses GTPase activity; the beta and gamma subunits are tightly associated and function as a beta-gamma heterodimer; extrinsic plasma membrane proteins (cytoplasmic face) that function as a complex to transduce signals from G-protein coupled receptors (GO:0004930) to an effector protein.
		Any of a family of heterotrimeric GTP-binding and hydrolyzing proteins; they belong to a superfamily of GTPases that includes monomeric proteins such as EF-Tu and RAS. Heterotrimeric G-proteins consist of three subunits; the alpha subunit contains the guanine nucleotide binding site and possesses GTPase activity; the beta and gamma subunits are tightly associated and function as a beta-gamma heterodimer; extrinsic plasma membrane proteins (cytoplasmic face) that function as a complex to transduce signals from G-protein coupled receptors to an effector protein.
	Term	heterotrimeric G-protein complex
	Type	Cellular_component
	Parent	Instance_of	GO:0019897
			GO:0043234
	Attributes_of	Motif	INTERPRO:IPR001770
			INTERPRO:IPR001632
		Gene (10)
		CDS (8)
		Index	Ancestor (25)
			Descendent	GO:0005834

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