Gene Gene information from NCBI Gene database.
Entrez ID 3757
Gene name Potassium voltage-gated channel subfamily H member 2
Gene symbol KCNH2
Synonyms (NCBI Gene)
ERG-1ERG1H-ERGHERGHERG1Kv11.1LQT2SQT1
Chromosome 7
Chromosome location 7q36.1
Summary This gene encodes a voltage-activated potassium channel belonging to the eag family. It shares sequence similarity with the Drosophila ether-a-go-go (eag) gene. Mutations in this gene can cause long QT syndrome type 2 (LQT2). Transcript variants encoding
SNPs SNP information provided by dbSNP.
401
SNP ID Visualize variation Clinical significance Consequence
rs1137617 A>C,G,T Pathogenic, benign, likely-benign Coding sequence variant, stop gained, synonymous variant
rs9333649 C>A,G,T Not-provided, pathogenic Coding sequence variant, missense variant
rs12720441 G>A,C Likely-pathogenic, not-provided, risk-factor Missense variant, coding sequence variant
rs28928904 A>C,G,T Pathogenic, not-provided Missense variant, coding sequence variant
rs28928905 C>G,T Pathogenic, not-provided Missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
23
miRTarBase ID miRNA Experiments Reference
MIRT004831 hsa-miR-133a-3p Luciferase reporter assayqRT-PCRWestern blot 17344217
MIRT004831 hsa-miR-133a-3p Luciferase reporter assayqRT-PCRWestern blot 17344217
MIRT004832 hsa-miR-133b Luciferase reporter assayqRT-PCRWestern blot 17344217
MIRT016707 hsa-miR-335-5p Microarray 18185580
MIRT025630 hsa-miR-7-5p Microarray 19073608
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
SP1 Unknown 17311278
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
64
GO ID Ontology Definition Evidence Reference
GO:0000976 Function Transcription cis-regulatory region binding IDA 31146003
GO:0003064 Process Regulation of heart rate by hormone TAS 11953308
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005242 Function Inward rectifier potassium channel activity IBA
GO:0005242 Function Inward rectifier potassium channel activity IDA 9765245, 18559421
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
152427 6251 ENSG00000055118
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q12809
Protein name Voltage-gated inwardly rectifying potassium channel KCNH2 (Eag homolog) (Ether-a-go-go-related gene potassium channel 1) (ERG-1) (Eag-related protein 1) (Ether-a-go-go-related protein 1) (H-ERG) (hERG-1) (hERG1) (Potassium voltage-gated channel subfamily
Protein function Pore-forming (alpha) subunit of voltage-gated inwardly rectifying potassium channel (PubMed:10219239, PubMed:10753933, PubMed:10790218, PubMed:10837251, PubMed:11997281, PubMed:12063277, PubMed:18559421, PubMed:22314138, PubMed:22359612, PubMed:
PDB 1BYW , 1UJL , 2L0W , 2L1M , 2L4R , 2LE7 , 2N7G , 4HP9 , 4HQA , 5VA1 , 5VA2 , 5VA3 , 6SYG , 8IO4 , 8IO5 , 8IOB , 8ZYN , 8ZYO , 8ZYP , 8ZYQ , 9CHP , 9CHQ , 9CHR , 9CHS
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF13426 PAS_9 29 131 PAS domain Domain
PF00520 Ion_trans 407 671 Ion transport protein Family
PF00027 cNMP_binding 760 845 Cyclic nucleotide-binding domain Domain
Tissue specificity TISSUE SPECIFICITY: Highly expressed in heart and brain. Isoforms USO are frequently overexpressed in cancer cells. {ECO:0000269|PubMed:18559421}.
Sequence
MPVRRGHVAPQNTFLDTIIRKFEGQSRKFIIANARVENCAVIYCNDGFCELCGYSRAEVM
QRPCTCDFLHGPRTQRRAAAQIAQALLGAEERKVEIAFYRKDGSCFLCLVDVVPVKNEDG
AVIMFILNFEV
VMEKDMVGSPAHDTNHRGPPTSWLAPGRAKTFRLKLPALLALTARESSV
RSGGAGGAGAPGAVVVDVDLTPAAPSSESLALDEVTAMDNHVAGLGPAEERRALVGPGSP
PRSAPGQLPSPRAHSLNPDASGSSCSLARTRSRESCASVRRASSADDIEAMRAGVLPPPP
RHASTGAMHPLRSGLLNSTSDSDLVRYRTISKIPQITLNFVDLKGDPFLASPTSDREIIA
PKIKERTHNVTEKVTQVLSLGADVLPEYKLQAPRIHRWTILHYSPFKAVWDWLILLLVIY
TAVFTPYSAAFLLKETEEGPPATECGYACQPLAVVDLIVDIMFIVDILINFRTTYVNANE
EVVSHPGRIAVHYFKGWFLIDMVAAIPFDLLIFGSGSEELIGLLKTARLLRLVRVARKLD
RYSEYGAAVLFLLMCTFALIAHWLACIWYAIGNMEQPHMDSRIGWLHNLGDQIGKPYNSS
GLGGPSIKDKYVTALYFTFSSLTSVGFGNVSPNTNSEKIFSICVMLIGSLMYASIFGNVS
AIIQRLYSGTA
RYHTQMLRVREFIRFHQIPNPLRQRLEEYFQHAWSYTNGIDMNAVLKGF
PECLQADICLHLNRSLLQHCKPFRGATKGCLRALAMKFKTTHAPPGDTLVHAGDLLTALY
FISRGSIEILRGDVVVAILGKNDIFGEPLNLYARPGKSNGDVRALTYCDLHKIHRDDLLE
VLDMY
PEFSDHFWSSLEITFNLRDTNMIPGSPGSTELEGGFSRQRKRKLSFRRRTDKDTE
QPGEVSALGPGRAGAGPSSRGRPGGPWGESPSSGPSSPESSEDEGPGRSSSPLRLVPFSS
PRPPGEPPGGEPLMEDCEKSSDTCNPLSGAFSGVSNIFSFWGDSRGRQYQELPRCPAPTP
SLLNIPLSSPGRRPRGDVESRLDALQRQLNRLETRLSADMATVLQLLQRQMTLVPPAYSA
VTTPGPGPTSTSPLLPVSPLPTLTLDSLSQVSQFMACEELPPGAPELPQEGPTRRLSLPG
QLGALTSQPLHRHGSDPGS
Sequence length 1159
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  Reactome
    Voltage gated Potassium channels
Phase 3 - rapid repolarisation
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
5512
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Autoimmune lymphoproliferative syndrome due to CTLA4 haploinsufficiency Pathogenic rs9333649 RCV004813051
Cardiac arrhythmia Likely pathogenic; Pathogenic rs794728455, rs552583527, rs2116931511, rs794728406, rs2116928557, rs2116963916, rs794728472, rs794728470, rs794728467, rs794728465, rs794728401, rs794728464, rs748706373, rs794728457, rs794728458
View all (33 more)
RCV003591864
RCV004770140
RCV001842028
RCV001842092
RCV004699552
RCV003591901
RCV001842856
RCV001842855
RCV001842854
RCV001842853
RCV001842834
RCV001842851
RCV001842852
RCV001842849
RCV001842850
RCV001842848
RCV001842847
RCV005401362
RCV001842862
RCV001842861
RCV001842846
RCV001842860
RCV001842824
RCV001842845
RCV001842844
RCV001842843
RCV001842858
RCV001842865
RCV001842864
RCV001842863
RCV003404924
RCV003592251
RCV003592261
RCV003492296
RCV005402798
RCV003591634
RCV005402799
RCV001841397
RCV001841394
RCV002282358
RCV001841702
RCV003591658
RCV005402842
RCV001841704
RCV005402843
RCV001841706
RCV001841710
RCV001842618
RCV001841113
RCV001841180
Cardiovascular phenotype Pathogenic; Likely pathogenic rs2116928626, rs794728455, rs2117072537, rs2116933379, rs199472971, rs2117011733, rs2117062748, rs2486004220, rs189014161, rs730880116, rs2486100894, rs2486003255, rs2486099963, rs2486099939, rs2486094162
View all (135 more)
RCV004629627
RCV004037687
RCV004039473
RCV002440826
RCV002407094
RCV002331533
RCV005585030
RCV002325818
RCV000617781
RCV002362837
RCV002375537
RCV002320644
RCV002342559
RCV002342606
RCV002344740
RCV002430434
RCV002373704
RCV002378873
RCV002380296
RCV002376138
RCV002403820
RCV002407491
RCV002396513
RCV002432922
RCV002421596
RCV002421803
RCV002430615
RCV002457824
RCV002425968
RCV002446219
RCV002453022
RCV002439516
RCV002431345
RCV002437505
RCV002437519
RCV002438070
RCV002444335
RCV002437962
RCV002321716
RCV002321718
RCV000618925
RCV005582267
RCV002321717
RCV004992061
RCV002433796
RCV000254145
RCV002433800
RCV002433799
RCV000249424
RCV003165389
RCV002426875
RCV002426874
RCV006342153
RCV003298232
RCV002408793
RCV005652336
RCV002408790
RCV002408792
RCV000620895
RCV002399647
RCV002408791
RCV005404345
RCV002453654
RCV000618780
RCV002453650
RCV002390453
RCV002345630
RCV000619865
RCV002433801
RCV005405942
RCV004085210
RCV000621802
RCV002453742
RCV005400714
RCV003177767
RCV000246773
RCV000243747
RCV000244733
RCV002429194
RCV003311171
RCV004992606
RCV000620827
RCV000254122
RCV002408467
RCV002399326
RCV002390110
RCV002426506
RCV005348058
RCV004991976
RCV004991977
RCV004522840
RCV004522845
RCV004522846
RCV002348126
RCV002408476
RCV004992258
RCV003168953
RCV004992268
RCV003343878
RCV002323918
RCV000586952
RCV002331026
RCV000618028
RCV000621866
RCV000621471
RCV000621521
RCV000619327
RCV000620946
RCV000621911
RCV000620830
RCV000619391
RCV000620578
RCV000620115
RCV000618256
RCV000621580
RCV000617574
RCV000620812
RCV000619294
RCV000618350
RCV005404763
RCV005404761
RCV002438652
RCV002424749
RCV002325484
RCV003362938
RCV002442727
RCV002440737
RCV002390696
RCV002390207
RCV000618688
RCV002399419
RCV004992004
RCV002399420
RCV000248595
RCV000619406
RCV000244156
RCV002399422
RCV000619615
RCV005403748
RCV000618627
RCV000619597
RCV002408563
RCV000244892
RCV002408565
RCV005403749
RCV000621397
RCV000617489
RCV000621327
RCV002415513
RCV000588659
RCV002415514
RCV000621587
RCV000621445
RCV000618449
RCV002433554
RCV003353145
RCV005367691
RCV003163386
RCV002429839
RCV003293979
RCV005628304
Congenital long QT syndrome Likely pathogenic; Pathogenic rs1563169382, rs2116960827, rs189014161, rs794728403, rs794728449, rs773724817, rs121912504, rs121912505, rs28928904, rs121912506, rs121912507, rs121912508, rs9333649, rs28928905, rs121912510
View all (83 more)
RCV004017835
RCV002272823
RCV004017439
RCV004017459
RCV004017460
RCV004017486
RCV000057941
RCV000057902
RCV000057986
RCV000058125
RCV000058029
RCV000057970
RCV000057960
RCV000057910
RCV000058123
RCV000058063
RCV000058100
RCV000057935
RCV004018333
RCV004018336
RCV004018343
RCV004018345
RCV004018347
RCV004018360
RCV004018362
RCV000058010
RCV000058006
RCV000826169
RCV000057881
RCV000057884
RCV000057889
RCV000057903
RCV000057906
RCV000057915
RCV000057917
RCV000057919
RCV000057924
RCV000057926
RCV000057928
RCV000057929
RCV000057934
RCV000057936
RCV000057938
RCV000057939
RCV000057940
RCV000057942
RCV000057943
RCV000057954
RCV000057959
RCV000057963
RCV000057966
RCV000057969
RCV000057971
RCV000057974
RCV000057983
RCV000057984
RCV000057990
RCV000057993
RCV000057995
RCV000057997
RCV000057999
RCV000058002
RCV000058007
RCV000058009
RCV000058011
RCV000058013
RCV000058017
RCV000058020
RCV000058022
RCV000058027
RCV000058028
RCV000058032
RCV000058033
RCV000058034
RCV000058036
RCV000058040
RCV000058042
RCV000058048
RCV000058055
RCV000058056
RCV000058060
RCV000058072
RCV000058078
RCV000058083
RCV000058086
RCV000058088
RCV000058089
RCV000058090
RCV000058091
RCV000058099
RCV000058106
RCV000058110
RCV000058118
RCV000058119
RCV000058126
RCV000058127
RCV000058129
RCV000058130
RCV000058131
RCV000058138
RCV000058143
RCV000058185
RCV000058211
RCV000058230
RCV000058261
RCV000058267
RCV000058272
RCV000058273
RCV000058274
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Acquired long QT syndrome not provided; Conflicting classifications of pathogenicity rs199472889, rs199472985, rs199473534 RCV000057869
RCV000058085
RCV000058102
Arrhythmogenic right ventricular cardiomyopathy Conflicting classifications of pathogenicity rs199473025 RCV000143906
Atrial fibrillation Benign rs1805123 RCV000171815
Brugada syndrome Conflicting classifications of pathogenicity; Benign; Likely benign rs12720441, rs41314354 RCV000208497
RCV000171755
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Acidosis Inhibit 31882846
Andersen Syndrome Associate 26109178, 28336205, 32843460
Aortic Aneurysm Thoracic Associate 31573043
Arrhythmias Cardiac Associate 12771193, 16565572, 18059314, 18192214, 18362022, 18551196, 19032804, 19528813, 20547678, 20809527, 21135103, 21158687, 21573751, 21951015, 22124116
View all (27 more)
Astrocytoma Associate 16175187
Atrial Fibrillation Associate 18452873, 24460807, 32715669, 33990324, 35114584
Atrioventricular Block Associate 10841244, 14998624, 18848812
Autosomal Recessive Primary Microcephaly Associate 32048431
Breast Neoplasms Associate 25596745, 25945833, 31659098
Brugada Syndrome Associate 27707468, 29672598, 32048431, 36197721, 36303204