Paralogue Annotation for KCNQ1 residue 266

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 266
Reference Amino Acid: L - Leucine
Protein Domain: Transmembrane/Linker/Pore


Paralogue Variants mapped to KCNQ1 residue 266

No paralogue variants have been mapped to residue 266 for KCNQ1.



KCNQ1LRMLHVDRQGGTWRLLGSVVFIHRQELITT>L<YIGFLGLIFSSYFVYLAEKDAVN-----ES291
KCNQ2LRMIRMDRRGGTWKLLGSVVYAHSKELVTA>W<YIGFLCLILASFLVYLAEKGE---------257
KCNQ3LRMLRMDRRGGTWKLLGSAICAHSKELITA>W<YIGFLTLILSSFLVYLVEKDVPEVDAQGEE295
KCNQ4LRMVRMDRRGGTWKLLGSVVYAHSKELITA>W<YIGFLVLIFASFLVYLAEKDA---------263
KCNQ5LRMVRMDRRGGTWKLLGSVVYAHSKELITA>W<YIGFLVLIFSSFLVYLVEKDA---------291
KCNA1FRIFKLSRHSKGLQILGQTLKASMRELGLL>I<FFLFIGVILFSSAVYFAEAEE---------351
KCNA10FRIFKLSRHSKGLQILGQTLKASMRELGLL>I<FFLFIGVILFSSAVYFAEVDE---------400
KCNA2FRIFKLSRHSKGLQILGQTLKASMRELGLL>I<FFLFIGVILFSSAVYFAEADE---------353
KCNA3FRIFKLSRHSKGLQILGQTLKASMRELGLL>I<FFLFIGVILFSSAVYFAEADD---------423
KCNA4FRIFKLSRHSKGLQILGHTLRASMRELGLL>I<FFLFIGVILFSSAVYFAEADE---------503
KCNA5FRIFKLSRHSKGLQILGKTLQASMRELGLL>I<FFLFIGVILFSSAVYFAEADN---------459
KCNA6FRIFKLSRHSKGLQILGKTLQASMRELGLL>I<FFLFIGVILFSSAVYFAEADD---------401
KCNA7FRIFKLSRHSKGLQILGQTLRASMRELGLL>I<FFLFIGVVLFSSAVYFAEVDR---------337
KCNB1LRILKLARHSTGLQSLGFTLRRSYNELGLL>I<LFLAMGIMIFSSLVFFAEKDE---------356
KCNB2LRILKLARHSTGLQSLGFTLRRSYNELGLL>I<LFLAMGIMIFSSLVFFAEKDE---------360
KCNC1LRIFKLTRHFVGLRVLGHTLRASTNEFLLL>I<IFLALGVLIFATMIYYAERIGAQPNDPSAS379
KCNC2LRIFKLTRHFVGLRVLGHTLRASTNEFLLL>I<IFLALGVLIFATMIYYAERVGAQPNDPSAS416
KCNC3LRIFKLTRHFVGLRVLGHTLRASTNEFLLL>I<IFLALGVLIFATMIYYAERIGADPDDILGS482
KCNC4LRIFKLTRHFVGLRVLGHTLRASTNEFLLL>I<IFLALGVLIFATMIYYAERIGARPSDPRGN415
KCND1FRIFKFSRHSQGLRILGYTLKSCASELGFL>L<FSLTMAIIIFATVMFYAEKGT---------351
KCND2FRIFKFSRHSQGLRILGYTLKSCASELGFL>L<FSLTMAIIIFATVMFYAEKGS---------349
KCND3FRIFKFSRHSQGLRILGYTLKSCASELGFL>L<FSLTMAIIIFATVMFYAEKGS---------346
KCNF1ARIFKLARHSSGLQTLTYALKRSFKELGLL>L<MYLAVGIFVFSALGYTMEQSH---------349
KCNG1LYVMRLARHSLGLQTLGLTARRCTREFGLL>L<LFLCVAIALFAPLLYVIENEM-----A---403
KCNG2LYVMRLARHSLGLRSLGLTMRRCAREFGLL>L<LFLCVAMALFAPLVHLAEREL-----G---348
KCNG3FWVIKLARHFIGLQTLGLTLKRCYREMVML>L<VFICVAMAIFSALSQLLEHGL-----DLET352
KCNG4LYVMRLARHSLGLQTLGLTVRRCTREFGLL>L<LFLAVAITLFSPLVYVAEKES-----G---397
KCNS1FRVLKLARHSTGLRSLGATLKHSYREVGIL>L<LYLAVGVSVFSGVAYTAEKEE---------401
KCNS2FRILKLARHSTGLRSLGATLKYSYKEVGLL>L<LYLSVGISIFSVVAYTIEKEE---------354
KCNS3FRILKLARHSVGLRSLGATLRHSYHEVGLL>L<LFLSVGISIFSVLIYSVEKDD---------349
KCNV1LRMLKLGRHSTGLRSLGMTITQCYEEVGLL>L<LFLSVGISIFSTVEYFAEQSI---------371
KCNV2FRILKLARHSTGLRAFGFTLRQCYQQVGCL>L<LFIAMGIFTFSAAVYSVEHDV---------436
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNQ1

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.L266Pc.797T>C Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaLQTS Spectrum of mutations in long-QT syndrome genes. KVLQT1, HERG, SCN5A, KCNE1, and KCNE2. Circulation. 2000 102(10):1178-85. 10973849
Inherited ArrhythmiaLQTS Automated mutation screening using dideoxy fingerprinting and capillary array electrophoresis. Hum Mutat. 2001 18(5):451-7. 11668638
Inherited ArrhythmiaLQTS Location of mutation in the KCNQ1 and phenotypic presentation of long QT syndrome. J Cardiovasc Electrophysiol. 2003 14(11):1149-53. 14678125
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 Long QT and Brugada syndrome gene mutations in New Zealand. Heart Rhythm. 2007 4(10):1306-14. 17905336
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 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 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.L266Rc.797T>G UnknownSIFT:
Polyphen:
ReportsUnknown Novel genotype-phenotype associations demonstrated by high-throughput sequencing in patients with hypertrophic cardiomyopathy. Heart. 2015 101(4):294-301. doi: 10.1136/heartjnl-2014-306387. 25351510