Paralogue Annotation for KCNQ1 residue 268

Residue details

Gene: KCNQ1
Reference Sequences: LRG: LRG_287, Ensembl variant: ENST00000155840 / ENSP00000155840
Amino Acid Position: 268
Reference Amino Acid: I - Isoleucine
Protein Domain: Transmembrane/Linker/Pore


Paralogue Variants mapped to KCNQ1 residue 268

No paralogue variants have been mapped to residue 268 for KCNQ1.



KCNQ1MLHVDRQGGTWRLLGSVVFIHRQELITTLY>I<GFLGLIFSSYFVYLAEKDAVN-----ESGR293
KCNQ2MIRMDRRGGTWKLLGSVVYAHSKELVTAWY>I<GFLCLILASFLVYLAEKGE----------N258
KCNQ3MLRMDRRGGTWKLLGSAICAHSKELITAWY>I<GFLTLILSSFLVYLVEKDVPEVDAQGEEMK297
KCNQ4MVRMDRRGGTWKLLGSVVYAHSKELITAWY>I<GFLVLIFASFLVYLAEKDA----------N264
KCNQ5MVRMDRRGGTWKLLGSVVYAHSKELITAWY>I<GFLVLIFSSFLVYLVEKDA----------N292
KCNA1IFKLSRHSKGLQILGQTLKASMRELGLLIF>F<LFIGVILFSSAVYFAEAEE---------AE353
KCNA10IFKLSRHSKGLQILGQTLKASMRELGLLIF>F<LFIGVILFSSAVYFAEVDE---------PE402
KCNA2IFKLSRHSKGLQILGQTLKASMRELGLLIF>F<LFIGVILFSSAVYFAEADE---------RE355
KCNA3IFKLSRHSKGLQILGQTLKASMRELGLLIF>F<LFIGVILFSSAVYFAEADD---------PT425
KCNA4IFKLSRHSKGLQILGHTLRASMRELGLLIF>F<LFIGVILFSSAVYFAEADE---------PT505
KCNA5IFKLSRHSKGLQILGKTLQASMRELGLLIF>F<LFIGVILFSSAVYFAEADN---------QG461
KCNA6IFKLSRHSKGLQILGKTLQASMRELGLLIF>F<LFIGVILFSSAVYFAEADD---------DD403
KCNA7IFKLSRHSKGLQILGQTLRASMRELGLLIF>F<LFIGVVLFSSAVYFAEVDR---------VD339
KCNB1ILKLARHSTGLQSLGFTLRRSYNELGLLIL>F<LAMGIMIFSSLVFFAEKDE---------DD358
KCNB2ILKLARHSTGLQSLGFTLRRSYNELGLLIL>F<LAMGIMIFSSLVFFAEKDE---------DA362
KCNC1IFKLTRHFVGLRVLGHTLRASTNEFLLLII>F<LALGVLIFATMIYYAERIGAQPNDPSASEH381
KCNC2IFKLTRHFVGLRVLGHTLRASTNEFLLLII>F<LALGVLIFATMIYYAERVGAQPNDPSASEH418
KCNC3IFKLTRHFVGLRVLGHTLRASTNEFLLLII>F<LALGVLIFATMIYYAERIGADPDDILGSNH484
KCNC4IFKLTRHFVGLRVLGHTLRASTNEFLLLII>F<LALGVLIFATMIYYAERIGARPSDPRGNDH417
KCND1IFKFSRHSQGLRILGYTLKSCASELGFLLF>S<LTMAIIIFATVMFYAEKGT---------NK353
KCND2IFKFSRHSQGLRILGYTLKSCASELGFLLF>S<LTMAIIIFATVMFYAEKGS---------SA351
KCND3IFKFSRHSQGLRILGYTLKSCASELGFLLF>S<LTMAIIIFATVMFYAEKGS---------SA348
KCNF1IFKLARHSSGLQTLTYALKRSFKELGLLLM>Y<LAVGIFVFSALGYTMEQSH---------PE351
KCNG1VMRLARHSLGLQTLGLTARRCTREFGLLLL>F<LCVAIALFAPLLYVIENEM-----A---DS405
KCNG2VMRLARHSLGLRSLGLTMRRCAREFGLLLL>F<LCVAMALFAPLVHLAEREL-----G---AR350
KCNG3VIKLARHFIGLQTLGLTLKRCYREMVMLLV>F<ICVAMAIFSALSQLLEHGL-----DLETSN354
KCNG4VMRLARHSLGLQTLGLTVRRCTREFGLLLL>F<LAVAITLFSPLVYVAEKES-----G---RV399
KCNS1VLKLARHSTGLRSLGATLKHSYREVGILLL>Y<LAVGVSVFSGVAYTAEKEE----------D402
KCNS2ILKLARHSTGLRSLGATLKYSYKEVGLLLL>Y<LSVGISIFSVVAYTIEKEE----------N355
KCNS3ILKLARHSVGLRSLGATLRHSYHEVGLLLL>F<LSVGISIFSVLIYSVEKDD---------HT351
KCNV1MLKLGRHSTGLRSLGMTITQCYEEVGLLLL>F<LSVGISIFSTVEYFAEQSI---------PD373
KCNV2ILKLARHSTGLRAFGFTLRQCYQQVGCLLL>F<IAMGIFTFSAAVYSVEHDV---------PS438
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNQ1

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.I268Sc.803T>G 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.I268Vc.802A>G Putative BenignSIFT:
Polyphen: