Paralogue Annotation for KCNQ1 residue 168

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 168
Reference Amino Acid: G - Glycine
Protein Domain: Transmembrane/Linker/Pore


Paralogue Variants mapped to KCNQ1 residue 168

No paralogue variants have been mapped to residue 168 for KCNQ1.



KCNQ1----------ALATGT-LF-WMEIVLVVFF>G<TEYVVRLWSAGCRSKYVGLWGRLRFARKPI198
KCNQ2----------KSSEGA-LY-ILEIVTIVVF>G<VEYFVRIWAAGCCCRYRGWRGRLKFARKPF168
KCNQ3----------TVSGDW-LL-LLETFAIFIF>G<AEFALRIWAAGCCCRYKGWRGRLKFARKPL198
KCNQ4----------ELANEC-LL-ILEFVMIVVF>G<LEYIVRVWSAGCCCRYRGWQGRFRFARKPF174
KCNQ5----------KLASSC-LL-ILEFVMIVVF>G<LEFIIRIWSAGCCCRYRGWQGRLRFARKPF202
KCNA1--NTTVIYNSNIFTDP-FF-IVETLCIIWF>S<FELVVR---------FFACPSKTDFFKNIM254
KCNA10-NMSKTVLSQTMFTDP-FF-MVESTCIVWF>T<FELVLR---------FVVCPSKTDFFRNIM304
KCNA2-NSTIGYQQSTSFTDP-FF-IVETLCIIWF>S<FEFLVR---------FFACPSKAGFFTNIM255
KCNA3-STSGSRAGASSFSDP-FF-VVETLCIIWF>S<FELLVR---------FFACPSKATFSRNIM328
KCNA4-APHLENSGHTIFNDP-FF-IVETVCIVWF>S<FEFVVR---------CFACPSQALFFKNIM404
KCNA5-GPTVAPLLPRTLADP-FF-IVETTCVIWF>T<FELLVR---------FFACPSKAGFSRNIM357
KCNA6GSSSLSTLGGSFFTDP-FF-LVETLCIVWF>T<FELLVR---------FSACPSKPAFFRNIM296
KCNA7-SQMPGNPPRLPFNDP-FF-VVETLCICWF>S<FELLVR---------LLVCPSKAIFFKNVM242
KCNB1-----------STDNPQLA-HVEAVCIAWF>T<MEYLLR---------FLSSPKKWKFFKGPL262
KCNB2-----------LNDNRQLA-HVEAVCIAWF>T<MEYLLR---------FLSSPNKWKFFKGPL266
KCNC1-NGTQVRYYREAETEA-FLTYIEGVCVVWF>T<FEFLMR---------VIFCPNKVEFIKNSL278
KCNC2-NGTSVVLQYEIETDP-ALTYVEGVCVVWF>T<FEFLVR---------IVFSPNKLEFIKNLL315
KCNC3-APPENITNVEVETEP-FLTYVEGVCVVWF>T<FEFLMR---------ITFCPDKVEFLKSSL381
KCNC4-NITSVHFRREVETEP-ILTYIEGVCVLWF>T<LEFLVR---------IVCCPDTLDFVKNLL314
KCND1-----EQPCGERFPQA-FF-CMDTACVLIF>T<GEYLLR---------LFAAPSRCRFLRSVM264
KCND2-----ELPCGERYAVA-FF-CLDTACVMIF>T<VEYLLR---------LAAAPSRYRFVRSVM262
KCND3-----ELPCGERYSVA-FF-CLDTACVMIF>T<VEYLLR---------LFAAPSRYRFIRSVM259
KCNF1-----------RVEHPTLE-NVETACIGWF>T<LEYLLR---------LFSSPNKLHFALSFM255
KCNG1----------SQMCHN-VF-IVESVCVGWF>S<LEFLLR---------LIQAPSKFAFLRSPL301
KCNG2----------SPKCRS-LF-VLETVCVAWF>S<FEFLLR---------SLQAESKCAFLRAPL251
KCNG3--DDRSRYSAGPGREP-SG-IIEAICIGWF>T<AECIVR---------FIVSKNKCEFVKRPL254
KCNG4----------SRKCYY-IF-IVETICVAWF>S<LEFCLR---------FVQAQDKCQFFQGPL295
KCNS1-AVAAGRSPEGVRDDPVLR-RLEYFCIAWF>S<FEVSSR---------LLLAPSTRNFFCHPL305
KCNS2-----------PGEDPRFE-IVEHFGIAWF>T<FELVAR---------FAVAPDFLKFFKNAL260
KCNS3------------VDDPVLE-GVEIACIAWF>T<GELAVR---------LAAAPCQKKFWKNPL255
KCNV1-----------WLDLQLLE-ILEYVCISWF>T<GEFVLR---------FLCVRDRCRFLRKVP275
KCNV2----------GPDLRPILE-HVEMLCMGFF>T<LEYLLR---------LASTPDLRRFARSAL335
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNQ1

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.G168Rc.502G>C Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaLQTS KVLQT1 C-terminal missense mutation causes a forme fruste long-QT syndrome. Circulation. 1997 96(9):2778-81. 9386136
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 Genomic structure of three long QT syndrome genes: KVLQT1, HERG, and KCNE1. Genomics. 1998 51(1):86-97. 9693036
Inherited ArrhythmiaLQTS DHPLC analysis of potassium ion channel genes in congenital long QT syndrome. Hum Mutat. 2002 20(5):382-91. 12402336
Inherited ArrhythmiaLQTS A candidate locus approach identifies a long QT syndrome gene mutation. Biol Res Nurs. 2003 5(2):97-104. 14531214
Inherited ArrhythmiaLQTS The use of genotype-phenotype correlations in mutation analysis for the long QT syndrome. J Med Genet. 2003 40(2):141-5. 12566525
Inherited ArrhythmiaLQTS [KCNQ 1 (KvLQT1) missense mutation causing congenital long QT syndrome (Jervell-Lange-Nielsen) in a Mexican family]. Arch Cardiol Mex. 2006 76(3):257-62. 17091796
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 Compound mutations: a common cause of severe long-QT syndrome. Circulation. 2004 109(15):1834-41. 15051636
p.G168Rc.502G>A Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaLQTS Mutations at KCNQ1 and an unknown locus cause long QT syndrome in a large Australian family: implications for genetic testing. Am J Med Genet A. 2010 152A(3):613-21. 20186784
Inherited ArrhythmiaLQTS Genomic structure of three long QT syndrome genes: KVLQT1, HERG, and KCNE1. Genomics. 1998 51(1):86-97. 9693036
Inherited ArrhythmiaLQTS DHPLC analysis of potassium ion channel genes in congenital long QT syndrome. Hum Mutat. 2002 20(5):382-91. 12402336
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 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 Compound mutations: a common cause of severe long-QT syndrome. Circulation. 2004 109(15):1834-41. 15051636
Inherited ArrhythmiaLQTS Long QT and Brugada syndrome gene mutations in New Zealand. Heart Rhythm. 2007 4(10):1306-14. 17905336
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 Location of mutation in the KCNQ1 and phenotypic presentation of long QT syndrome. J Cardiovasc Electrophysiol. 2003 14(11):1149-53. 14678125
Inherited ArrhythmiaLQTS The use of genotype-phenotype correlations in mutation analysis for the long QT syndrome. J Med Genet. 2003 40(2):141-5. 12566525
Inherited ArrhythmiaLQTS Genetic testing for long-QT syndrome: distinguishing pathogenic mutations from benign variants. Circulation. 2009 120(18):1752-60. 19841300
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.G168Wc.502G>T Putative BenignSIFT: deleterious
Polyphen: probably damaging