FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
Help Close All Open All
General Information
Term potassium channel activity ID (Ontology) GO:0005267 (Gene Ontology)
Definition Enables the energy-independent facilitated diffusion of a potassium ion through a transmembrane aqueous pore or channel.[ ISBN:0815340729 ]
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION      13
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 potassium channel activity (all annotations which use CV term, excluding "NOT" statements)       2     13
     enables | potassium channel activity       --      13
Spanning Tree (Parents/Children)
Only view relationship: 
monoatomic ion channel activity
 |__monoatomic cation channel activity________________
monoatomic cation transmembrane transporter activity  |
 |__monoatomic cation channel activity________________|
metal ion transmembrane transporter activity          |
 |__potassium ion transmembrane transporter activity__|
                                                      potassium channel activity  46 rec.
                                                       |__calcium-activated potassium channel activity 6 rec.
                                                       |   |__intermediate conductance calcium-activated potassium channel activity
                                                       |   |__large conductance calcium-activated potassium channel activity 2 rec.
                                                       |   |__small conductance calcium-activated potassium channel activity 2 rec.
                                                       |__chloride-activated potassium channel activity
                                                       |__G-protein gated potassium channel activity
                                                       |__intracellular sodium-activated potassium channel activity 2 rec.
                                                       |__kainate selective glutamate receptor activity 9 rec.
                                                       |__mechanosensitive potassium channel activity
                                                       |__mitochondrial ATP-gated potassium channel activity
                                                       |__potassium ion leak channel activity 11 rec.
                                                       |__voltage-gated potassium channel activity 16 rec.
                                                           |__delayed rectifier potassium channel activity 4 rec.
                                                           |__inward rectifier potassium channel activity(+) 5 rec.
                                                           |__open rectifier potassium channel activity
                                                           |__outward rectifier potassium channel activity(+) 2 rec.
                                                           |__voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization(+)
                                                           |__voltage-gated potassium channel activity involved in SA node cell action potential depolarization
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a monoatomic cation channel activity
potassium ion transmembrane transporter activity
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
Reactome:R-HSA-1296024 "Activation of ATP sensitive Potassium channels in neuroendocrine cells"
Reactome:R-HSA-1296035 "Activation of Ca2+ activated Potassium channels with Intermediate conductance"
Reactome:R-HSA-1296037 "Activation of Ca2+ activated Potassium channels with large conductance"
Reactome:R-HSA-1296039 "Activation of Ca2+ activated Potassium channels with small conductance"
Reactome:R-HSA-1296348 "Activation of TWIK-related K+ channel (TREK)"
Reactome:R-HSA-1299297 "Activation of THIK"
Reactome:R-HSA-1299304 "Activation of tandem pore domain in a weak inwardly rectifying K+ channels"
Reactome:R-HSA-1299318 "Activation of TASK"
Reactome:R-HSA-1299338 "Activation of TRESK"
Reactome:R-HSA-1299359 "Activation of TALK"
Reactome:R-HSA-2534365 "Slo3 Potassium Transport"
Reactome:R-HSA-5578910 "KCNK dimers transport K+ from cytosol to extracellular region"