Paralogue Annotation for KCNH2 residue 56

Residue details

Gene: KCNH2
Reference Sequences: LRG: LRG_288, Ensembl variant: ENST00000262186 / ENSP00000262186
Amino Acid Position: 56
Reference Amino Acid: R - Arginine
Protein Domain: N-terminus


Paralogue Variants mapped to KCNH2 residue 56

No paralogue variants have been mapped to residue 56 for KCNH2.



KCNH2FIIANA-RVEN-CAVI-YCNDGFCELCGYS>R<AEVMQRPCTCDFLHGPRTQRRAAAQ-IAQ-84
KCNH1FVLGNA-QIVD-WPIV-YSNDGFCKLSGYH>R<AEVMQKSSTCSFMYGELTDKDTIEK-VRQ-85
KCNH3FVLGNA-QVAGLFPVV-YCSDGFCDLTGFS>R<AEVMQRGCACSFLYGPDTSELVRQQ-IRK-85
KCNH4FLLANA-QGTRGFPIV-YCSDGFCELTGYG>R<TEVMQKTCSCRFLYGPETSEPALQR-LHK-85
KCNH5FLLGNA-QIVD-WPVV-YSNDGFCKLSGYH>R<ADVMQKSSTCSFMYGELTDKKTIEK-VRQ-83
KCNH6FLIANA-QMEN-CAII-YCNDGFCELFGYS>R<VEVMQQPCTCDFLTGPNTPSSAVSR-LAQ-84
KCNH7FIIANA-RVQN-CAII-YCNDGFCEMTGFS>R<PDVMQKPCTCDFLHGPETKRHDIAQ-IAQ-84
KCNH8FILANA-QVAKGFPIV-YCSDGFCELAGFA>R<TEVMQKSCSCKFLFGVETNEQLMLQ-IEK-85
CNGA1---------------R-RMEN--------->-<------------------------G-ACS-40
CNGA2------------------NHNHHA------>P<PA-----------IKANGK-DDHRT-SSR-37
CNGA3---------------KVKTSD--------->-<-------------RDLNRA-EN--G-LSR-34
CNGA4------------------------------>-<------------------------------
CNGB1WLMKGVEKVIP-QPVH-SITE--------->-<------DPAQILGHGSTGDTGCTDE-PNE-145
CNGB3------------------------------>-<------------------------------
HCN1------------------------------>-<------------------------------
HCN2------------------------------>-<------------------------------
HCN3------------------------------>-<------------------------------
HCN4-------------------EDAEEEG-AGG>R<QDPSRRSIRLRPLPSPSPSAAAGGTESRSS70
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNH2

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.R56Qc.167G>A Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: possibly damaging
ReportsInherited ArrhythmiaLQTS Long QT syndrome-associated mutations in the Per-Arnt-Sim (PAS) domain of HERG potassium channels accelerate channel deactivation. J Biol Chem. 1999 274(15):10113-8. 10187793
Inherited ArrhythmiaLQTS Spectrum of mutations in long-QT syndrome genes. KVLQT1, HERG, SCN5A, KCNE1, and KCNE2. Circulation. 2000 102(10):1178-85. 10973849
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 Rescue of aberrant gating by a genetically encoded PAS (Per-Arnt-Sim) domain in several long QT syndrome mutant human ether-รก-go-go-related gene potassium channels. J Biol Chem. 2011 286(25):22160-9. 21536673
Inherited ArrhythmiaLQTS Changes in channel trafficking and protein stability caused by LQT2 mutations in the PAS domain of the HERG channel. PLoS One. 2012 7(3):e32654. 22396785
Inherited ArrhythmiaLQTS HERG channel (dys)function revealed by dynamic action potential clamp technique. Biophys J. 2005 88(1):566-78. 15475579
Inherited ArrhythmiaLQTS An in vivo cardiac assay to determine the functional consequences of putative long QT syndrome mutations. Circ Res. 2013 112(5):826-30. doi: 10.1161/CIRCRESAHA.112.300664. 23303164
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
p.Arg56Leuc.167G>T UnknownSIFT:
Polyphen: