Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
3778
Gene name Gene Name - the full gene name approved by the HGNC.
Potassium calcium-activated channel subfamily M alpha 1
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
KCNMA1
Synonyms (NCBI Gene) Gene synonyms aliases
BKTM, CADEDS, IEG16, KCa1.1, LIWAS, MaxiK, PNKD3, SAKCA, SLO, SLO-ALPHA, SLO1, bA205K10.1, hSlo, mSLO1
Chromosome Chromosome number
10
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
10q22.3
Summary Summary of gene provided in NCBI Entrez Gene.
MaxiK channels are large conductance, voltage and calcium-sensitive potassium channels which are fundamental to the control of smooth muscle tone and neuronal excitability. MaxiK channels can be formed by 2 subunits: the pore-forming alpha subunit, which
SNPs SNP information provided by dbSNP.
SNP ID Visualize variation Clinical significance Consequence
rs2229008 G>T Conflicting-interpretations-of-pathogenicity, likely-benign Coding sequence variant, genic downstream transcript variant, synonymous variant
rs45617636 G>A,T Conflicting-interpretations-of-pathogenicity, benign-likely-benign, benign Coding sequence variant, genic downstream transcript variant, synonymous variant
rs61736948 C>A,T Conflicting-interpretations-of-pathogenicity Coding sequence variant, genic downstream transcript variant, synonymous variant, intron variant, 5 prime UTR variant, genic upstream transcript variant
rs77602559 T>C Uncertain-significance, likely-benign, conflicting-interpretations-of-pathogenicity Missense variant, genic upstream transcript variant, coding sequence variant
rs137853333 T>C Pathogenic Genic downstream transcript variant, missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
miRTarBase ID miRNA Experiments Reference
MIRT005943 hsa-miR-211-5p Microarray, LacZ reporter assay 21072171
MIRT005943 hsa-miR-211-5p Microarray, LacZ reporter assay 21072171
MIRT440404 hsa-miR-218-5p HITS-CLIP 23212916
MIRT440404 hsa-miR-218-5p HITS-CLIP 23212916
MIRT755615 hsa-miR-9-5p Immunohistochemistry (IHC) 38502673
Transcription factors
Transcription factor Regulation Reference
MITF Unknown 21072171
Gene ontology (GO) Gene ontology information of associated ontologies with gene provided by GO database.
GO ID Ontology Definition Evidence Reference
GO:0001666 Process Response to hypoxia IDA 15528406
GO:0003779 Function Actin binding IDA 15703204
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005249 Function Voltage-gated potassium channel activity IDA 7877450, 7993625, 11880513, 12388065
GO:0005249 Function Voltage-gated potassium channel activity IEA
Other IDs Other ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
600150 6284 ENSG00000156113
Protein
UniProt ID Q12791
Protein name Calcium-activated potassium channel subunit alpha-1 (BK channel) (BKCA alpha) (Calcium-activated potassium channel, subfamily M subunit alpha-1) (K(VCA)alpha) (KCa1.1) (Maxi K channel) (MaxiK) (Slo-alpha) (Slo1) (Slowpoke homolog) (Slo homolog) (hSlo)
Protein function Potassium channel activated by both membrane depolarization or increase in cytosolic Ca(2+) that mediates export of K(+) (PubMed:14523450, PubMed:29330545, PubMed:31152168). It is also activated by the concentration of cytosolic Mg(2+). Its acti
PDB 2K44 , 3MT5 , 3NAF , 6ND0 , 6V22 , 6V35 , 6V38 , 6V3G , 6V5A , 7YNZ , 7YO0 , 7YO1 , 7YO2 , 7YO3 , 7YO4 , 7YO5 , 8GH9 , 8GHF , 8GHG , 8V60 , 8V63 , 8V64 , 8VAV , 8VAZ , 8Z3S , 9CZH , 9CZJ , 9CZK , 9CZM , 9CZO , 9CZQ , 9D18 , 9D19 , 9JO3 , 9JO4
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00520 Ion_trans 178 397 Ion transport protein Family
PF03493 BK_channel_a 538 633 Calcium-activated BK potassium channel alpha subunit Family
Tissue specificity TISSUE SPECIFICITY: Widely expressed. Except in myocytes, it is almost ubiquitously expressed. {ECO:0000269|PubMed:11880513}.
Sequence
MANGGGGGGGSSGGGGGGGGSSLRMSSNIHANHLSLDASSSSSSSSSSSSSSSSSSSSSS
VHEPKMDALIIPVTMEVPCDSRGQRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCCH
CGGKTKEAQKINNGSSQADGTLKPVDEKEEAVAAEVGWMTSVKDWAGVMISAQTLTGRVL
VVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQIDMAFNVFFLLYFGLRFIAANDKL
WFWLEVNSVVDFFTVPPVFVSVYLNRSWLGLRFLRALRLIQFSEILQFLNILKTSNSIKL
VNLLSIFISTWLTAAGFIHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYA
KTTLGRLFMVFFILGGLAMFASYVPEIIELIGNRKKY
GGSYSAVSGRKHIVVCGHITLES
VSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEFYQGSVLNPHDLARVK
IESADACLILANKYCADPDAEDASNIMRVISIKNYHPKIRIITQMLQYHNKAHLLNIPSW
NWKEGDDAICLAELKLGFIAQSCLAQGLSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNE
MYTEYLSSAFVGLSFPTVCELCFVKLKLLMIAI
EYKSANRESRILINPGNHLKIQEGTLG
FFIASDAKEVKRAFFYCKACHDDITDPKRIKKCGCKRPKMSIYKRMRRACCFDCGRSERD
CSCMSGRVRGNVDTLERAFPLSSVSVNDCSTSFRAFEDEQPSTLSPKKKQRNGGMRNSPN
TSPKLMRHDPLLIPGNDQIDNMDSNVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSG
HVVVCIFGDVSSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNFPKVS
ILPGTPLSRADLRAVNINLCDMCVILSANQNNIDDTSLQDKECILASLNIKSMQFDDSIG
VLQANSQGFTPPGMDRSSPDNSPVHGMLRQPSITTGVNIPIITELVNDTNVQFLDQDDDD
DPDTELYLTQPFACGTAFAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEEN
ALRGGYSTPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYNMLCFGIYRL
RDAHLSTPSQCTKRYVITNPPYEFELVPTDLIFCLMQFDHNAGQSRASLSHSSHSSQSSS
KKSSSVHSIPSTANRQNRPKSRESRDKQKYVQEERL
Sequence length 1236
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG   Reactome
  cGMP-PKG signaling pathway
Vascular smooth muscle contraction
Insulin secretion
Renin secretion
Salivary secretion
Pancreatic secretion
  Ca2+ activated K+ channels
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Associated diseases Disease associations categorized as Causal (pathogenic variants), Unknown (uncertain genetic evidence), or Text Mining (literature-based associations)
Causal Diseases caused by PATHOGENIC or LIKELY PATHOGENIC variants from ClinVar only
Disease merge term Disease name dbSNP ID References
Cerebellar Atrophy, Developmental Delay, And Seizures cerebellar atrophy, developmental delay, and seizures rs762705295, rs1328294721 N/A
Epilepsy-Paroxysmal Dyskinesia Syndrome generalized epilepsy-paroxysmal dyskinesia syndrome rs886039469, rs1554966197, rs1565091862, rs2063502424, rs137853333, rs863224885 N/A
Unknown Includes: (1) ClinVar NON-pathogenic variants (Uncertain, Benign, Conflicting, VUS), (2) GenCC associations, (3) GWAS associations, (4) CBGDA evidence-based associations. NOTE: Diseases with pathogenic evidence are excluded to avoid conflicts.
Disease merge term Disease name Evidence References Source
Astrocytoma Pilocytic astrocytoma N/A N/A GWAS
Epilepsy Epilepsy, idiopathic generalized, susceptibility to, 16 N/A N/A ClinVar
Hypospadias Hypospadias N/A N/A GWAS
Mental retardation intellectual disability N/A N/A ClinVar
Associations from Text Mining Disease associations identified through Pubtator
Disease Name Relationship Type References
Adenoma Oxyphilic Associate 25848765, 28975890
Allergic Fungal Sinusitis Associate 24595210
Angioedema Associate 32080354
Aortic Root Aneurysm Associate 34499417
Aphasia Associate 29545233
Apraxias Associate 31152168
Arthritis Rheumatoid Associate 22074915, 27165430, 28428266
Ataxia Associate 31152168, 35156297
Atrophy Associate 31152168
Autism Spectrum Disorder Associate 31674007, 35509069, 40483526