Paralogue Annotation for SCN5A residue 1449

Residue details

Gene: SCN5A
Reference Sequences: LRG: LRG_289, Ensembl variant: ENST00000333535 / ENSP00000328968
Amino Acid Position: 1449
Reference Amino Acid: Y - Tyrosine
Protein Domain: TM Domain 3


Paralogue Variants mapped to SCN5A residue 1449

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
SCN1AY1462CMyoclonic epilepsy of infancyHigh9 18413471
CACNA1AF1491SEpisodic ataxia 2Medium9 11179022
SCN1AY1462HDravet syndrome C ?High9 21248271, 23195492

To assess whether the paralogue annotation here confidently predicts that variation at this residue is pathogenic, it is important to check the reports in the Pubmed links above to ascertain that the mutations in these paralogues have been proved likely to be disease-causing. It is also important to check that the direction of effect of the variant in the paralogue is compatible with your observed phenotype in SCN5A.



SCN5AKGWMDIMYAAVDSRGYEEQPQWEYNLYMYI>Y<FVIFIIFGSFFTLNLFIGVIIDNFNQQKKK1479
SCN1AKGWMDIMYAAVDSRNVELQPKYEESLYMYL>Y<FVIFIIFGSFFTLNLFIGVIIDNFNQQKKK1492
SCN2AKGWMDIMYAAVDSRNVELQPKYEDNLYMYL>Y<FVIFIIFGSFFTLNLFIGVIIDNFNQQKKK1482
SCN3AKGWMDIMYAAVDSRDVKLQPVYEENLYMYL>Y<FVIFIIFGSFFTLNLFIGVIIDNFNQQKKK1477
SCN4AKGWMDIMYAAVDSREKEEQPQYEVNLYMYL>Y<FVIFIIFGSFFTLNLFIGVIIDNFNQQKKK1304
SCN7ANGWITIMNSAIDSVAVNIQPHFEVNIYMYC>Y<FINFIIFGVFLPLSMLITVIIDNFNKHKIK1202
SCN8AKGWMDIMYAAVDSRKPDEQPKYEDNIYMYI>Y<FVIFIIFGSFFTLNLFIGVIIDNFNQQKKK1473
SCN9AKGWTIIMYAAVDSVNVDKQPKYEYSLYMYI>Y<FVVFIIFGSFFTLNLFIGVIIDNFNQQKKK1455
SCN10AKGWMDIMYAAVDSREVNMQPKWEDNVYMYL>Y<FVIFIIFGGFFTLNLFVGVIIDNFNQQKKK1427
SCN11AKGWMDIIYAAVDSTEKEQQPEFESNSLGYI>Y<FVVFIIFGSFFTLNLFIGVIIDNFNQQQKK1317
CACNA1AEGWPQVLKHSVDATFENQGPSPGYRMEMSI>F<YVVYFVVFPFFFVNIFVALIIITFQEQGDK1520
CACNA1BEGWPMVLKHSVDATYEEQGPSPGYRMELSI>F<YVVYFVVFPFFFVNIFVALIIITFQEQGDK1426
CACNA1CEGWPELLYRSIDSHTEDKGPIYNYRVEISI>F<FIIYIIIIAFFMMNIFVGFVIVTFQEQGEQ1175
CACNA1DEGWPALLYKAIDSNGENIGPIYNHRVEISI>F<FIIYIIIVAFFMMNIFVGFVIVTFQEQGEK1181
CACNA1EEGWPQVLQHSVDVTEEDRGPSRSNRMEMSI>F<YVVYFVVFPFFFVNIFVALIIITFQEQGDK1432
CACNA1FEGWPALLYKAIDAYAEDHGPIYNYRVEISV>F<FIVYIIIIAFFMMNIFVGFVIITFRAQGEQ1146
CACNA1GDGWVDIMYDGLDAVGVDQQPIMNHNPWMLL>Y<FISFLLIVAFFVLNMFVGVVVENFHKCRQH1546
CACNA1HDGWVNIMYDGLDAVGVDQQPVQNHNPWMLL>Y<FISFLLIVSFFVLNMFVGVVVENFHKCRQH1564
CACNA1IDGWVNIMYNGLDAVAVDQQPVTNHNPWMLL>Y<FISFLLIVSFFVLNMFVGVVVENFHKCRQH1440
CACNA1SEGWPQLLYKAIDSNAEDVGPIYNNRVEMAI>F<FIIYIILIAFFMMNIFVGFVIVTFQEQGET1074
cons                              > <                              

See full Alignment of Paralogues


Known Variants in SCN5A

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.Y1449Cc.4346A>G Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: possibly damaging
ReportsInherited ArrhythmiaBrS An international compendium of mutations in the SCN5A-encoded cardiac sodium channel in patients referred for Brugada syndrome genetic testing. Heart Rhythm. 2010 7(1):33-46. 20129283
Inherited ArrhythmiaBrS Paralogue annotation identifies novel pathogenic variants in patients with Brugada syndrome and catecholaminergic polymorphic ventricular tachycardia. J Med Genet. 2014 51(1):35-44. doi: 10.1136/jmedgenet-2013-101917. 24136861
Inherited ArrhythmiaBrS p.Y1449C SCN5A Mutation Associated with Overlap Disorder Comprising Conduction Disease, Brugada Syndrome, and Atrial Flutter. J Cardiovasc Electrophysiol. 2014 24903439
p.Y1449Sc.4346A>C Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaBrS Low Clinical Penetrance in Causal Mutation Carriers for Cardiac Channelopathies. Rev Esp Cardiol. 2013 66(4):275-281. doi: 10.1016/j.recesp.2012.09.011. 23265794