Term Information [More information on heterotrimeric G-protein complex]

Accession
GO:0005834
Name
heterotrimeric G-protein complex
Ontology
cellular_component
Synonyms
heterotrimeric G-protein GTPase activity, heterotrimeric G-protein GTPase, alpha-subunit, heterotrimeric G-protein GTPase, beta-subunit, heterotrimeric G-protein GTPase, gamma-subunit
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 to an effector protein. Source: ISBN:0198547684
Comment
See also the molecular function term 'G-protein coupled receptor activity ; GO:0004930'.
History
See term history for GO:0005834 at QuickGO
Subset
gosubset_prok
Community
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Feedback
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View this term in QuickGO.

Graph of GO:0005834 from QuickGO

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Ancestors of heterotrimeric G-protein complex (GO:0005834)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) biological_process (GO:0008150)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) cellular_component (GO:0005575)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) metabolic process (GO:0008152)
heterotrimeric G-protein complex [Inferred capable_of relation] capable_of (inferred) molecular_function (GO:0003674)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) catalytic activity (GO:0003824)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) cell (GO:0005623)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) cell part (GO:0044464)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) hydrolase activity (GO:0016787)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) membrane (GO:0016020)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) cell periphery (GO:0071944)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) hydrolase activity, acting on acid anhydrides (GO:0016817)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) membrane part (GO:0044425)
heterotrimeric G-protein complex [Inferred capable_of relation] capable_of (inferred) hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides (GO:0016818)
heterotrimeric G-protein complex [Inferred is_a relation] is_a (inferred) macromolecular complex (GO:0032991)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) plasma membrane (GO:0005886)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) side of membrane (GO:0098552)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) cytoplasmic side of membrane (GO:0098562)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) extrinsic component of membrane (GO:0019898)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) intracellular (GO:0005622)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) plasma membrane part (GO:0044459)
heterotrimeric G-protein complex [is_a relation] is_a  protein complex (GO:0043234)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) pyrophosphatase activity (GO:0016462)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) cytoplasmic side of plasma membrane (GO:0009898)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) extrinsic component of plasma membrane (GO:0019897)
heterotrimeric G-protein complex [Inferred part_of relation] part_of (inferred) intracellular part (GO:0044424)
heterotrimeric G-protein complex [Inferred is_a relation] is_a (inferred) membrane protein complex (GO:0098796)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) nucleoside-triphosphatase activity (GO:0017111)
heterotrimeric G-protein complex [is_a relation] is_a  catalytic complex (GO:1902494)
heterotrimeric G-protein complex [part_of relation] part_of  extrinsic component of cytoplasmic side of plasma membrane (GO:0031234)
heterotrimeric G-protein complex [Inferred capable_of part of relation] capable_of part of (inferred) GTPase activity (GO:0003924)
heterotrimeric G-protein complex [is_a relation] is_a  plasma membrane protein complex (GO:0098797)

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