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
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
113
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Abnormality of the cardiovascular system Pathogenic rs1554893092 RCV001814172
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Atrial fibrillation Pathogenic rs120074192, rs199472687, rs199472705 RCV000057673
RCV000057674
RCV000057725
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
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
View all (38 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
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
View all (21 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acquired susceptibility to long QT syndrome 1 Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ARRHYTHMIAS, CARDIAC CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATRIAL FIBRILLATION, FAMILIAL 1 Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATRIAL FIBRILLATION, FAMILIAL, 10 Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma Adenocarcinoma BEFREE 23975432
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Adenocarcinoma CTD_human_DG 23975432
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma BEFREE 24366043
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma, Basal Cell Adenocarcinoma CTD_human_DG 23975432
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma, Oxyphilic Adenocarcinoma CTD_human_DG 23975432
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma, Tubular Adenocarcinoma CTD_human_DG 23975432
★☆☆☆☆
Found in Text Mining only
Adrenocortical carcinoma Adrenocortical carcinoma HPO_DG
★☆☆☆☆
Found in Text Mining only
Andersen Syndrome Andersen Syndrome BEFREE 16818210, 28315637
★☆☆☆☆
Found in Text Mining only
Andersen Syndrome Andersen-tawil syndrome Pubtator 18452873 Associate
★☆☆☆☆
Found in Text Mining only
Anemia Anemia BEFREE 25127743
★☆☆☆☆
Found in Text Mining only