Gene Information
Gene NameKCNMBL
OrganismHomo sapiens (Human)
Gene Length279
Protein NamesCalcium-activated potassium channel subunit beta-3 (BK channel subunit beta-3) (BKbeta3) (Hbeta3) (Calcium-activated potassium channel, subfamily M subunit beta-3) (Charybdotoxin receptor subunit beta-3) (K(VCA)beta-3) (Maxi K channel subunit beta-3) (Slo-beta-3)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBQ9NPA1
Gene CardKCNMB3
Uniprot IDQ9NPA1
PfamPF03185
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityIsoform 1, isoform 3 and isoform 4 are widely expressed. Isoform 2 is expressed placenta, pancreas, kidney and heart. Isoform 1 and isoform 3 are highly expressed in pancreas and testis. {ECO:0000269|PubMed:10585773, ECO:0000269|PubMed:10692449, ECO:0000269|PubMed:10766764}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs1170672  rs7645550  rs2276802  rs55710741  rs145985409 
Subcellular location [CC]Membrane;
Multi-pass membrane protein.
Mouse PG classificationNA
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