Gene Information
Gene NameKCNN2
OrganismHomo sapiens (Human)
Gene Length579
Protein NamesSmall conductance calcium-activated potassium channel protein 2 (SK2) (SKCa 2) (SKCa2) (KCa2.2)
Target Namecalcium-activated potassium channel
Target TypeNA
Gene Age810 ( ENSG00000080709 )
Evolutionary StageOpisthokonta
AlphaFoldDBQ9H2S1
Gene CardKCNN2
Uniprot IDQ9H2S1
PfamPF02888; PF07885; PF03530
In ASDyes
Allosteric Predictionyes (0.999872004)
Ortholog in AnimalsAlpaca_ KCNN2 ( ortholog_one2one )
Dog_ KCNN2 ( ortholog_one2one )
GuineaPig_ KCNN2 ( ortholog_one2one )
Macaque_ KCNN2 ( ortholog_one2one )
Mouse_ Kcnn2 ( ortholog_one2one )
Pig_ KCNN2 ( ortholog_one2one )
Rat_ Kcnn2 ( ortholog_one2one )
Rabbit_ KCNN2 ( ortholog_one2one )
OhnologsKCNN1, KCNN3
ParalogsKCNN3, KCNN4, KCNN1
Tissueadrenal.gland
Tissue SpecificityExpressed in atrial myocytes (at protein level). Widely expressed. {ECO:0000269|PubMed:13679367}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 5V02  (X-ray  1.78A  5WBX  (X-ray  1.90A  5WC5  (X-ray  2.30A  6ALE  (X-ray  2.50A 
DBSNP NA 
Subcellular location [CC]Membrane;
Multi-pass membrane protein.
Mouse PG classificationNA
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