Paralogue Annotation for KCNQ1 residue 591

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 591
Reference Amino Acid: R - Arginine
Protein Domain: C-terminus


Paralogue Variants mapped to KCNQ1 residue 591

No paralogue variants have been mapped to residue 591 for KCNQ1.



KCNQ1----------------SEKSKDRGSNTIGA>R<LNRVEDKVTQLDQRLALITDMLHQLLSLHG621
KCNQ2----------------PAEAELPEDPSMMG>R<LGKVEKQVLSMEKKLDFLVNIYMQRMGIPP652
KCNQ3TFPSQQSPRNEPYVARPSTSEI-EDQSMMG>K<FVKVERQVQDMGKKLDFLVDMHMQHMERLQ651
KCNQ4----------------PSDAEVVDEISMMG>R<VVKVEKQVQSIEHKLDLLLGFYSRCLRSGT648
KCNQ5----------------TAEHETTDDLSMLG>R<VVKVEKQVQSIESKLDCLLDIYQQVLRKGS635
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.R591Cc.1771C>T Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited 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
Inherited 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 Genetic testing for long-QT syndrome: distinguishing pathogenic mutations from benign variants. Circulation. 2009 120(18):1752-60. 19841300
Inherited ArrhythmiaLQTS End-recovery QTc: a useful metric for assessing genetic variants of unknown significance in long-QT syndrome. J Cardiovasc Electrophysiol. 2012 23(6):637-42. doi: 10.1111/j.1540-8167.2011.02265. 22429796
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
p.R591Hc.1772G>A Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaLQTS Genomic organization of the KCNQ1 K+ channel gene and identification of C-terminal mutations in the long-QT syndrome. Circ Res. 1999 84(3):290-7. 10024302
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 Functional assessment of compound mutations in the KCNQ1 and KCNH2 genes associated with long QT syndrome. Heart Rhythm. 2005 2(11):1238-49. 16253915
Inherited ArrhythmiaLQTS Allelic dropout in long QT syndrome genetic testing: a possible mechanism underlying false-negative results. Heart Rhythm. 2006 3(7):815-21. 16818214
Inherited ArrhythmiaLQTS A subset of dorsal neurons modulates circadian behavior and light responses in Drosophila. Neuron. 2007 53(5):689-701. 17329209
Inherited 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 Genetic testing for long-QT syndrome: distinguishing pathogenic mutations from benign variants. Circulation. 2009 120(18):1752-60. 19841300
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
Inherited ArrhythmiaLQTS Structural insight into KCNQ (Kv7) channel assembly and channelopathy. Neuron. 2007 53(5):663-75. 17329207
Inherited ArrhythmiaLQTS KVLQT1 C-terminal missense mutation causes a forme fruste long-QT syndrome. Circulation. 1997 96(9):2778-81. 9386136
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
p.R591Lc.1772G>T Inherited ArrhythmiaLQTSSIFT:
Polyphen:
ReportsInherited ArrhythmiaLQTS Vagal reflexes following an exercise stress test: a simple clinical tool for gene-specific risk stratification in the long QT syndrome. J Am Coll Cardiol. 2012 60(24):2515-24. doi: 10.1016/j.jacc.2012.08.1009. 23158531