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Combining with epinephrine or norepinephrine to initiate a change in cell 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. 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.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: alpha2-adrenergic receptor activity
Acc: GO:0004938
Aspect: Molecular Function
Desc: 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.
Synonyms:
  • alpha2 adrenoceptor
Proteins in PDR annotated with:
   This term: 11 [Search]
   Term or descendants: 11 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004938 - alpha2-adrenergic receptor activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle