Paralogue Annotation for KCNH2 residue 26

Residue details

Gene: KCNH2
Reference Sequences: LRG: LRG_288, Ensembl variant: ENST00000262186 / ENSP00000262186
Amino Acid Position: 26
Reference Amino Acid: S - Serine
Protein Domain: N-terminus


Paralogue Variants mapped to KCNH2 residue 26

No paralogue variants have been mapped to residue 26 for KCNH2.



KCNH2--G-HVAPQNTFLDTI---IR----KFEGQ>S<RK-----------FIIANA-RVEN-CAVI-42
KCNH1--G-LVAPQNTFLENI---VR----RS--N>D<TN-----------FVLGNA-QIVD-WPIV-43
KCNH3--G-LLAPQNTFLDTI---AT----RFDGT>H<SN-----------FVLGNA-QVAGLFPVV-43
KCNH4--G-LLAPQNTFLDTI---AT----RFDGT>H<SN-----------FLLANA-QGTRGFPIV-43
KCNH5--G-LVAPQNTFLENI---VR----RS--S>E<SS-----------FLLGNA-QIVD-WPVV-41
KCNH6--G-HVAPQNTYLDTI---IR----KFEGQ>S<RK-----------FLIANA-QMEN-CAII-42
KCNH7--G-HVAPQNTFLGTI---IR----KFEGQ>N<KK-----------FIIANA-RVQN-CAII-42
KCNH8--G-LLAPQNTFLDTI---AT----RFDGT>H<SN-----------FILANA-QVAKGFPIV-43
CNGA1--NNIINTQQSFVTMPNVIVP----DIEKE>-<-----------I----------------R-32
CNGA2-----TNGVK--------SSP----AN--->-<------------------------------14
CNGA3-----INTQY--------SHP----SRTH->-<-----------L----------------KV18
CNGA4------------------------------>-<------------------------------
CNGB1---ADPSPQETKEAAL---TSTISLRAQGA>E<ISEMNSPSRRVLTWLMKGVEKVIP-QPVH-119
CNGB3------------------------------>-<------------------------------
HCN1--------------------------GKPN>S<------------------------------9
HCN2-------------RG-----G----GGRPG>E<------------------------------12
HCN3--------------------------QRPA>A<------------------------------9
HCN4MRKRLYSLPQQVGAK-----A----WIMDE>E<------------------------------29
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNH2

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.S26Ic.77G>T Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: benign
ReportsInherited ArrhythmiaLQTS Notched T waves on Holter recordings enhance detection of patients with LQt2 (HERG) mutations. Circulation. 2001 103(8):1095-101. 11222472
Inherited ArrhythmiaLQTS Increased risk of arrhythmic events in long-QT syndrome with mutations in the pore region of the human ether-a-go-go-related gene potassium channel. Circulation. 2002 105(7):794-9. 11854117
Inherited ArrhythmiaLQTS Compendium of cardiac channel mutations in 541 consecutive unrelated patients referred for long QT syndrome genetic testing. Heart Rhythm. 2005 2(5):507-17. 15840476
Inherited ArrhythmiaLQTS Phylogenetic and physicochemical analyses enhance the classification of rare nonsynonymous single nucleotide variants in type 1 and 2 long-QT syndrome. Circ Cardiovasc Genet. 2012 5(5):519-28. doi: 10.1161/CIRCGENETICS.112.963785. 22949429
Inherited ArrhythmiaLQTS Large-scale mutational analysis of Kv11.1 reveals molecular insights into type 2 long QT syndrome. Nat Commun. 2014 5:5535. doi: 10.1038/ncomms6535. 25417810