Gene Gene information from NCBI Gene database.
Entrez ID 3784
Gene name Potassium voltage-gated channel subfamily Q member 1
Gene symbol KCNQ1
Synonyms (NCBI Gene)
ATFB1ATFB3JLNS1KCNA8KCNA9KVLQT1Kv1.9Kv7.1LQTLQT1RWSSQT2WRS
Chromosome 11
Chromosome location 11p15.5-p15.4
Summary This gene encodes a voltage-gated potassium channel required for repolarization phase of the cardiac action potential. This protein can form heteromultimers with two other potassium channel proteins, KCNE1 and KCNE3. Mutations in this gene are associated
SNPs SNP information provided by dbSNP.
280
SNP ID Visualize variation Clinical significance Consequence
rs179489 G>A,C Not-provided, pathogenic Missense variant, coding sequence variant
rs1800171 G>A,C,T Likely-pathogenic, pathogenic Synonymous variant, coding sequence variant
rs12720457 G>T Benign, likely-benign, benign-likely-benign, conflicting-interpretations-of-pathogenicity Coding sequence variant, missense variant
rs12720458 A>G Pathogenic, pathogenic-likely-pathogenic, likely-pathogenic Coding sequence variant, missense variant
rs12720459 C>A,G,T Pathogenic, not-provided Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
12
miRTarBase ID miRNA Experiments Reference
MIRT002925 hsa-miR-133a-3p Luciferase reporter assayWestern blot5'RACEReal time RT-PCR 17443681
MIRT002925 hsa-miR-133a-3p Luciferase reporter assayWestern blot5'RACEReal time RT-PCR 17443681
MIRT002925 hsa-miR-133a-3p Luciferase reporter assayWestern blot5'RACEReal time RT-PCR 17443681
MIRT002925 hsa-miR-133a-3p Luciferase reporter assayWestern blot5'RACEReal time RT-PCR 17443681
MIRT002925 hsa-miR-133a-3p Luciferase reporter assayWestern blot5'RACEReal time RT-PCR 17443681
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
148
GO ID Ontology Definition Evidence Reference
GO:0001508 Process Action potential IBA
GO:0001696 Process Gastric acid secretion IEA
GO:0001698 Process Gastrin-induced gastric acid secretion IEA
GO:0002027 Process Regulation of heart rate IEA
GO:0003008 Process System process IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
607542 6294 ENSG00000053918
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P51787
Protein name Potassium voltage-gated channel subfamily KQT member 1 (IKs producing slow voltage-gated potassium channel subunit alpha KvLQT1) (KQT-like 1) (Voltage-gated potassium channel subunit Kv7.1)
Protein function Pore-forming subunit of the voltage-gated potassium (Kv) channel involved in the regulation of cardiomyocyte excitability and important in normal development and functions of myocardium, inner ear, stomach and colon (PubMed:10646604, PubMed:2544
PDB 3BJ4 , 3HFC , 3HFE , 4UMO , 4V0C , 6MIE , 6UZZ , 6V00 , 6V01 , 7VUO , 7VVD , 7VVH , 7XNI , 7XNK , 7XNL , 7XNN , 8SIK , 8SIM , 8SIN
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00520 Ion_trans 122 359 Ion transport protein Family
PF03520 KCNQ_channel 482 620 KCNQ voltage-gated potassium channel Family
Tissue specificity TISSUE SPECIFICITY: Abundantly expressed in heart, pancreas, prostate, kidney, small intestine and peripheral blood leukocytes. Less abundant in placenta, lung, spleen, colon, thymus, testis and ovaries.
Sequence
MAAASSPPRAERKRWGWGRLPGARRGSAGLAKKCPFSLELAEGGPAGGALYAPIAPGAPG
PAPPASPAAPAAPPVASDLGPRPPVSLDPRVSIYSTRRPVLARTHVQGRVYNFLERPTGW
KCFVYHFAVFLIVLVCLIFSVLSTIEQYAALATGTLFWMEIVLVVFFGTEYVVRLWSAGC
RSKYVGLWGRLRFARKPISIIDLIVVVASMVVLCVGSKGQVFATSAIRGIRFLQILRMLH
VDRQGGTWRLLGSVVFIHRQELITTLYIGFLGLIFSSYFVYLAEKDAVNESGRVEFGSYA
DALWWGVVTVTTIGYGDKVPQTWVGKTIASCFSVFAISFFALPAGILGSGFALKVQQKQ
R
QKHFNRQIPAAASLIQTAWRCYAAENPDSSTWKIYIRKAPRSHTLLSPSPKPKKSVVVKK
KKFKLDKDNGVTPGEKMLTVPHITCDPPEERRLDHFSVDGYDSSVRKSPTLLEVSMPHFM
RTNSFAEDLDLEGETLLTPITHISQLREHHRATIKVIRRMQYFVAKKKFQQARKPYDVRD
VIEQYSQGHLNLMVRIKELQRRLDQSIGKPSLFISVSEKSKDRGSNTIGARLNRVEDKVT
QLDQRLALITDMLHQLLSLH
GGSTPGSGGPPREGGAHITQPCGSGGSVDPELFLPSNTLP
TYEQLTVPRRGPDEGS
Sequence length 676
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Adrenergic signaling in cardiomyocytes
Cholinergic synapse
Gastric acid secretion
Pancreatic secretion
Protein digestion and absorption
Vibrio cholerae infection
  Voltage gated Potassium channels
Phase 3 - rapid repolarisation
Phase 2 - plateau phase
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
5186
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Abnormality of the cardiovascular system Pathogenic rs1554893092 RCV001814172
Atrial fibrillation Pathogenic rs120074192, rs199472687, rs199472705 RCV000057673
RCV000057674
RCV000057725
Atrial fibrillation, familial, 3 Likely pathogenic; Pathogenic rs2133730742, rs120074179, rs120074192, rs120074193, rs794728535, rs2494325585, rs1554958045, rs1435990592, rs1564820372, rs1590081467, rs397508068, rs397508075, rs12720458, rs397508083, rs397508087
View all (28 more)
RCV003458177
RCV005862693
RCV000003293
RCV000762834
RCV005235658
RCV004555152
RCV005049544
RCV002490900
RCV004796281
RCV004796329
RCV002496698
RCV002496699
RCV000762835
RCV002477153
RCV005003442
RCV005222730
RCV006449268
RCV000515204
RCV000762836
RCV002483049
RCV002504937
RCV002496701
RCV002496702
RCV002490606
RCV005862751
RCV004795976
RCV002490607
RCV002504938
RCV002496703
RCV004795977
RCV002483052
RCV002504939
RCV000115009
RCV000115007
RCV001814031
RCV002504940
RCV002483053
RCV002490608
RCV002496704
RCV002496705
RCV005357373
RCV002496706
RCV000115006
Beckwith-Wiedemann syndrome Pathogenic; Likely pathogenic rs1800171, rs120074193, rs1435990592, rs397508068, rs397508075, rs12720458, rs397508083, rs397508097, rs199472795, rs199472800, rs199472804, rs199472807, rs199472815, rs397508103, rs139042529
View all (11 more)
RCV002247243
RCV000762834
RCV002490900
RCV002496698
RCV002496699
RCV000762835
RCV002477153
RCV000515204
RCV000762836
RCV002483049
RCV002504937
RCV002496701
RCV002496702
RCV002490606
RCV002490607
RCV002504938
RCV002496703
RCV002483052
RCV002504939
RCV000762833
RCV002504940
RCV002483053
RCV002490608
RCV002496704
RCV002496705
RCV002496706
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Acquired susceptibility to long QT syndrome 1 Conflicting classifications of pathogenicity rs17221854 RCV000003292
Autosomal dominant KCNQ1-related disease Uncertain significance rs1589956747, rs1048449968 RCV000985037
RCV000985027
Brugada syndrome Uncertain significance rs775608046 RCV000498969
Cardiomyopathy Conflicting classifications of pathogenicity rs12720457 RCV000852645
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Abnormalities Drug Induced Associate 21138517
Adenocarcinoma of Lung Associate 34111567, 35216393
Andersen Syndrome Associate 18452873
Arrhythmias Cardiac Associate 12442276, 12702160, 17905416, 17999538, 18093912, 18192214, 18308161, 18365896, 18426444, 19822806, 21952006, 22508963, 24769622, 27707468, 28814790
View all (11 more)
Arrhythmias Cardiac Inhibit 18426444
Arrhythmogenic Right Ventricular Dysplasia Associate 25616976
Ataxia Telangiectasia Associate 32443288
Atrial Fibrillation Associate 17276182, 17999538, 18452873, 19632626, 19646991, 20850564, 22471742, 22508963, 22818067, 23350853, 23710137, 24460807, 26922794, 29488358, 32164657
View all (4 more)
Attention Deficit Disorder with Hyperactivity Associate 34142889
Autosomal Recessive Primary Microcephaly Associate 32048431