Paralogue Annotation for KCNQ1 residue 611

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 611
Reference Amino Acid: D - Aspartate
Protein Domain: C-terminus


Paralogue Variants mapped to KCNQ1 residue 611

No paralogue variants have been mapped to residue 611 for KCNQ1.



KCNQ1KDRGSNTIGARLNRVEDKVTQLDQRLALIT>D<MLHQLLSLHGGS----------------TP625
KCNQ2ELPEDPSMMGRLGKVEKQVLSMEKKLDFLV>N<IYMQRMGIPPTE--TEAYFG--AKEPEPAP668
KCNQ3EI-EDQSMMGKFVKVERQVQDMGKKLDFLV>D<MHMQHMERLQVQ--VTE--------YYPTK661
KCNQ4EVVDEISMMGRVVKVEKQVQSIEHKLDLLL>G<FYSRCLRSGTSA--SLGAVQVPLFDPDITS666
KCNQ5ETTDDLSMLGRVVKVEKQVQSIESKLDCLL>D<IYQQVLRKGSASALALASFQIPPFECEQTS655
KCNA1------------------------------>-<------------------------------
KCNA10------------------------------>-<------------------------------
KCNA2------------------------------>-<------------------------------
KCNA3------------------------------>-<------------------------------
KCNA4------------------------------>-<------------------------------
KCNA5------------------------------>-<------------------------------
KCNA6------------------------------>-<------------------------------
KCNA7------------------------------>-<------------------------------
KCNB1------------------------------>-<------------------------------
KCNB2------------------------------>-<------------------------------
KCNC1------------------------------>-<------------------------------
KCNC2------------------------------>-<------------------------------
KCNC3------------------------------>-<------------------------------
KCNC4------------------------------>-<------------------------------
KCND1------------------------------>-<------------------------------
KCND2------------------------------>-<------------------------------
KCND3------------------------------>-<------------------------------
KCNF1------------------------------>-<------------------------------
KCNG1------------------------------>-<------------------------------
KCNG2------------------------------>-<------------------------------
KCNG3------------------------------>-<------------------------------
KCNG4------------------------------>-<------------------------------
KCNS1------------------------------>-<------------------------------
KCNS2------------------------------>-<------------------------------
KCNS3------------------------------>-<------------------------------
KCNV1------------------------------>-<------------------------------
KCNV2------------------------------>-<------------------------------
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNQ1

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.D611Nc.1831G>A Inherited ArrhythmiaLQTSSIFT: tolerated
Polyphen: possibly damaging
ReportsInherited ArrhythmiaLQTS Spectrum and prevalence of mutations from the first 2,500 consecutive unrelated patients referred for the FAMILION long QT syndrome genetic test. Heart Rhythm. 2009 6(9):1297-303. 19716085
Inherited ArrhythmiaLQTS The genetic basis of long QT and short QT syndromes: a mutation update. Hum Mutat. 2009 30(11):1486-511. 19862833
Inherited ArrhythmiaLQTS High prevalence of genetic variants previously associated with LQT syndrome in new exome data. Eur J Hum Genet. 2012 20(8):905-8. doi: 10.1038/ejhg.2012.23. 22378279
Unknown Actionable exomic incidental findings in 6503 participants: challenges of variant classification. Genome Res. 2015 25(3):305-15. doi: 10.1101/gr.183483.114. 25637381
Inherited ArrhythmiaLQTS Rare genetic variants previously associated with congenital forms of long QT syndrome have little or no effect on the QT interval. Eur Heart J. 2015 36(37):2523-9. doi: 10.1093/eurheartj/ehv297. 26159999
p.D611Yc.1831G>T Inherited ArrhythmiaLQTSSIFT: tolerated
Polyphen: benign
ReportsInherited ArrhythmiaLQTS Q-T peak dispersion in congenital long QT syndrome: possible marker of mutation of HERG. Circ J. 2003 67(6):495-8. 12808265
Inherited ArrhythmiaLQTS Compound heterozygosity for mutations Asp611-->Tyr in KCNQ1 and Asp609-->Gly in KCNH2 associated with severe long QT syndrome. Clin Sci (Lond). 2005 108(2):143-50. 15500450
Inherited ArrhythmiaLQTS Mutation site-specific differences in arrhythmic risk and sensitivity to sympathetic stimulation in the LQT1 form of congenital long QT syndrome: multicenter study in Japan. J Am Coll Cardiol. 2004 44(1):117-25. 15234419
Inherited ArrhythmiaLQTS Clinical aspects of type-1 long-QT syndrome by location, coding type, and biophysical function of mutations involving the KCNQ1 gene. Circulation. 2007 115(19):2481-9. 17470695