GO Term : GO:0004938 alpha2-adrenergic receptor activity GO

Namespace  molecular_function Obsolete  false
description  Combining with epinephrine or norepinephrine to initiate a change in cell activity via activation of a G protein, with pharmacological characteristics of alpha2-adrenergic receptors; the activity involves transmitting the signal to the Gi alpha subunit of a heterotrimeric G protein.

0 Cross References

1 Ontology

Name
GO

11 Parents

Identifier Name Description
GO:0004871 signal transducer activity Conveys a signal across a cell to trigger a change in cell function or state. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response.
GO:0004872 receptor activity Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
GO:0004930 G-protein coupled receptor activity Combining with an extracellular signal and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
GO:0004888 transmembrane signaling receptor activity Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
GO:0003674 molecular_function Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions.
GO:0038023 signaling receptor activity Receiving a signal and transmitting the signal in the cell to initiate a change in cell activity. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response.
GO:0060089 molecular transducer activity The molecular function that accepts an input of one form and creates an output of a different form.
GO:0008227 G-protein coupled amine receptor activity Combining with an extracellular amine and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
GO:0004935 adrenergic receptor activity Combining with epinephrine or norepinephrine and transmitting the signal across the membrane by activating the alpha-subunit of an associated heterotrimeric G-protein complex.
GO:0004936 alpha-adrenergic receptor activity Combining with epinephrine or norepinephrine to initiate a change in cell activity via activation of a G protein, with pharmacological characteristics of alpha-adrenergic receptors.
GO:0004938 alpha2-adrenergic receptor activity Combining with epinephrine or norepinephrine to initiate a change in cell activity via activation of a G protein, with pharmacological characteristics of alpha2-adrenergic receptors; the activity involves transmitting the signal to the Gi alpha subunit of a heterotrimeric G protein.

0 Protein

10 Relations

Relationship
Parent Term . Identifier

Child Term . Identifier
is_a GO:0004936 GO:0004938
is_a GO:0060089 GO:0004938
is_a GO:0004930 GO:0004938
is_a GO:0004888 GO:0004938
is_a GO:0004935 GO:0004938
is_a GO:0003674 GO:0004938
is_a GO:0004872 GO:0004938
is_a GO:0004871 GO:0004938
is_a GO:0008227 GO:0004938
is_a GO:0038023 GO:0004938

1 Synonyms

Name Type
alpha2 adrenoceptor synonym