Paralogue Annotation for KCNQ1 residue 539

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 539
Reference Amino Acid: R - Arginine
Protein Domain: C-terminus


Paralogue Variants mapped to KCNQ1 residue 539

No paralogue variants have been mapped to residue 539 for KCNQ1.



KCNQ1RMQ----------YFVAKKKFQQARKPYDV>R<DVIEQYSQGHLNLMVRIKELQRRLDQSIGK569
KCNQ2VMR----------FLVSKRKFKESLRPYDV>M<DVIEQYSAGHLDMLSRIKSLQSRVDQIVGR595
KCNQ3ILQ----------FRLYKKKFKETLRPYDV>K<DVIEQYSAGHLDMLSRIKYLQTRIDMIFTP574
KCNQ4ILK----------FLVAKRKFKETLRPYDV>K<DVIEQYSAGHLDMLGRIKSLQTRVDQIVGR589
KCNQ5IMK----------FHVAKRKFKETLRPYDV>K<DVIEQYSAGHLDMLCRIKSLQTRVDQILGK577
KCNA1KLL----------TD--------------->-<------------------------------494
KCNA10TEK----------SR--------------->-<------------------------------510
KCNA2KML----------TD--------------->-<------------------------------498
KCNA3KIF----------TD--------------->-<------------------------------574
KCNA4AVE----------TD--------------->-<------------------------------652
KCNA5RSLYALCLDTSRETD--------------->-<------------------------------612
KCNA6RML----------TE--------------->-<------------------------------528
KCNA7HLV----------TE--------------->-<------------------------------455
KCNB1NFM----------EG-------DPSPLLPV>L<GMYHDPLRNRGSAAAAVAGLECA-------711
KCNB2NFK----------ENRGSAPQTPPSTARPL>P<VTTADFSLTTPQHISTILLEETP-------761
KCNC1CFL----------LSTGEYACPPGGGMRK->-<--------DLCKESP---VIAKY-------576
KCNC2CFL----------LTTGDYTCASDGGIRKG>-<---YEKSRSLNNIAGLAGNALRL-------614
KCNC3CFL----------LT--DYAPSPDGSIRKA>T<GAPPLPPQDWRKPGPPS-FLPDL-------747
KCNC4CFL----------LSTGDYACA-DGSVRKG>-<---TFVLRDLPLQHSP---EAAC-------624
KCND1MQE----------LDMLA--GLRRSHAPQS>R<SSLNAKPHDSLDLNCDSRDFVAA-------597
KCND2IQE----------LSTIQIRCVERTPLSNS>R<SSLNAKMEECVKLNCEQPYVTTA-------596
KCND3MQE----------LSTIHIQGSEQPSLTTS>R<SSLNLKADDGLRPNCKTSQITTA-------613
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.R539Qc.1616G>A Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably 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
p.R539Wc.1615C>T Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited 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
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 Spectrum and frequency of cardiac channel defects in swimming-triggered arrhythmia syndromes. Circulation. 2004 110(15):2119-24. 15466642
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 Kv7.1 (KCNQ1) properties and channelopathies. J Physiol. 2008 586(7):1785-9. 18174212
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 Novel mutations in KvLQT1 that affect Iks activation through interactions with Isk. Cardiovasc Res. 2000 45(4):971-80. 10728423
Inherited ArrhythmiaLQTS Impaired KCNQ1-KCNE1 and phosphatidylinositol-4,5-bisphosphate interaction underlies the long QT syndrome. Circ Res. 2005 96(7):730-9. 15746441
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
Inherited ArrhythmiaLQTS A long QT mutation substitutes cholesterol for phosphatidylinositol-4,5-bisphosphate in KCNQ1 channel regulation. PLoS One. 2014 9(3):e93255. doi: 10.1371/journal.pone.0093255. eC 24681627