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.
GO:0004936
alpha-adrenergic receptor activity
is_a
alpha2 adrenoceptor
exact