Paralogue Annotation for KCNQ1 residue 342

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 342
Reference Amino Acid: L - Leucine
Protein Domain: Transmembrane/Linker/Pore


Paralogue Variants mapped to KCNQ1 residue 342

No paralogue variants have been mapped to residue 342 for KCNQ1.



KCNQ1TIGYGDKVPQTWVGKTIASCFSVFAISFFA>L<PAGILGSGFALKVQQKQRQKHFNRQIPA--370
KCNQ2TIGYGDKYPQTWNGRLLAATFTLIGVSFFA>L<PAGILGSGFALKVQEQHRQKHFEKRRNP--335
KCNQ3TIGYGDKTPKTWEGRLIAATFSLIGVSFFA>L<PAGILGSGLALKVQEQHRQKHFEKRRKP--374
KCNQ4TIGYGDKTPHTWLGRVLAAGFALLGISFFA>L<PAGILGSGFALKVQEQHRQKHFEKRRMP--341
KCNQ5TIGYGDKTPLTWLGRLLSAGFALLGISFFA>L<PAGILGSGFALKVQEQHRQKHFEKRRNP--369
KCNA1TVGYGDMYPVTIGGKIVGSLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETEGEEQAQLLH---429
KCNA10TVGYGDMCPTTPGGKIVGTLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETENEEKQNIPGEIE481
KCNA2TVGYGDMVPTTIGGKIVGSLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETEGEEQAQYLQ---431
KCNA3TVGYGDMHPVTIGGKIVGSLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETEGEEQSQYMH---501
KCNA4TVGYGDMKPITVGGKIVGSLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETENEEQTQLTQ---581
KCNA5TVGYGDMRPITVGGKIVGSLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETDHEEPAVLKEE--538
KCNA6TVGYGDMYPMTVGGKIVGSLCAIAGVLTIA>L<PVPVIVSNFNYFYHRETEQEEQGQYTHV--480
KCNA7TVGYGDMAPVTVGGKIVGSLCAIAGVLTIS>L<PVPVIVSNFSYFYHRETEGEEAGMFSHV--416
KCNB1TVGYGDIYPKTLLGKIVGGLCCIAGVLVIA>L<PIPIIVNNFSEFYKEQKRQEKAIKRREA--435
KCNB2TVGYGDIYPKTLLGKIVGGLCCIAGVLVIA>L<PIPIIVNNFSEFYKEQKRQEKAIKRREA--439
KCNC1TLGYGDMYPQTWSGMLVGALCALAGVLTIA>M<PVPVIVNNFGMYYSLAMAKQKLPKKKKK--458
KCNC2TLGYGDMYPQTWSGMLVGALCALAGVLTIA>M<PVPVIVNNFGMYYSLAMAKQKLPRKRKK--495
KCNC3TLGYGDMYPKTWSGMLVGALCALAGVLTIA>M<PVPVIVNNFGMYYSLAMAKQKLPKKKNK--561
KCNC4TLGYGDMYPKTWSGMLVGALCALAGVLTIA>M<PVPVIVNNFGMYYSLAMAKQKLPKKRKK--494
KCND1TLGYGDMVPSTIAGKIFGSICSLSGVLVIA>L<PVPVIVSNFSRIYHQNQRADKRRAQQKV--430
KCND2TLGYGDMVPKTIAGKIFGSICSLSGVLVIA>L<PVPVIVSNFSRIYHQNQRADKRRAQKKA--428
KCND3TLGYGDMVPKTIAGKIFGSICSLSGVLVIA>L<PVPVIVSNFSRIYHQNQRADKRRAQKKA--425
KCNF1TVGYGDIYPKTTLGKLNAAISFLCGVIAIA>L<PIHPIINNFVRYYNKQRVLETAAKHELE--428
KCNG1TVGYGDMVPRSTPGQVVALSSILSGILLMA>F<PVTSIFHTFSRSYLELKQEQERVMFRRA--482
KCNG2TVGYGDMVPRSLPGQVVALSSILSGILLMA>F<PVTSIFHTFSRSYSELKEQQQRAASPEP--427
KCNG3TVGYGDMYPITVPGRILGGVCVVSGIVLLA>L<PITFIYHSFVQCYHELKFRSARYSR-----428
KCNG4TVGYGDMVPRSVPGQMVALSSILSGILIMA>F<PATSIFHTFSHSYLELKKEQEQLQARLR--476
KCNS1TVGYGDVVPVTVAGKLAASGCILGGILVVA>L<PITIIFNKFSHFYRRQKALEAAVRNSNH--479
KCNS2TVGYGDVVPGTTAGKLTASACILAGILVVV>L<PITLIFNKFSHFYRRQKQLESAMRSCDF--432
KCNS3TVGYGDTHPVTLAGKLIASTCIICGILVVA>L<PITIIFNKFSKYYQKQKDIDVDQCSEDA--428
KCNV1TVGYGDIRPDTTTGKIVAFMCILSGILVLA>L<PIAIINDRFSACYFTLKLKEAAVRQREA--450
KCNV2TVGYGDMYPETHLGRFFAFLCIAFGIILNG>M<PISILYNKFSDYYSKLKAYEYTTIRRER--515
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNQ1

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.L342Fc.1024C>T 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 Molecular genetic analysis of long QT syndrome in Norway indicating a high prevalence of heterozygous mutation carriers. Scand J Clin Lab Invest. 2008 68(5):362-8. 18752142
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 Properties of KvLQT1 K+ channel mutations in Romano-Ward and Jervell and Lange-Nielsen inherited cardiac arrhythmias. EMBO J. 1997 16(17):5472-9. 9312006