Term Name: potassium channel activity
Synonyms:
Definition: Enables the energy-independent facilitated diffusion of a potassium ion through a transmembrane aqueous pore or channel.
Ontology: GO: Molecular Function [GO:0005267]    QuickGO    AmiGO

Relationships
is a type of: monoatomic cation channel activity potassium ion transmembrane transporter activity
has subtype: calcium-activated potassium channel activity chloride-activated potassium channel activity G-protein gated potassium channel activity intracellular sodium-activated potassium channel activity kainate selective glutamate receptor activity mechanosensitive potassium channel activity mitochondrial ATP-gated potassium channel activity potassium ion leak channel activity voltage-gated potassium channel activity voltage-gated potassium channel activity involved in SA node cell action potential depolarization
negatively regulated by: potassium channel inhibitor activity
positively regulated by: potassium channel activator activity
regulated by: potassium channel regulator activity