Paralogue Annotation for SCN5A residue 1232

Residue details

Gene: SCN5A
Reference Sequences: LRG: LRG_289, Ensembl variant: ENST00000333535 / ENSP00000328968
Amino Acid Position: 1232
Reference Amino Acid: R - Arginine
Protein Domain: TM Domain 3


Paralogue Variants mapped to SCN5A residue 1232

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
SCN1AR1245QMyoclonic epilepsy of infancyHigh7 17054684, 21906962

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.



SCN5AVEHSWFETFIIFMILLSSGALAFEDIYLEE>R<KTIKVLLEYADKMFTYVFVLEMLLKWVAYG1262
SCN1AVEHNWFETFIVFMILLSSGALAFEDIYIDQ>R<KTIKTMLEYADKVFTYIFILEMLLKWVAYG1275
SCN2AVEHNWFETFIVFMILLSSGALAFEDIYIEQ>R<KTIKTMLEYADKVFTYIFILEMLLKWVAYG1265
SCN3AVEHNWFETFIVFMILLSSGALAFEDIYIEQ>R<KTIKTMLEYADKVFTYIFILEMLLKWVAYG1263
SCN4AVEHNWFETFIVFMILLSSGALAFEDIYIEQ>R<RVIRTILEYADKVFTYIFIMEMLLKWVAYG1088
SCN7AVENNWFKCFIGLVTLLSTGTLAFEDIYMDQ>R<KTIKILLEYADMIFTYIFILEMLLKWMAYG991
SCN8AVEHNWFETFIIFMILLSSGALAFEDIYIEQ>R<KTIRTILEYADKVFTYIFILEMLLKWTAYG1255
SCN9AVEHSWFESFIVLMILLSSGALAFEDIYIER>K<KTIKIILEYADKIFTYIFILEMLLKWIAYG1238
SCN10AVEHSWFESFIIFMILLSSGSLAFEDYYLDQ>K<PTVKALLEYTDRVFTFIFVFEMLLKWVAYG1209
SCN11AVKHSWFESFIIFVILLSSGALIFEDVHLEN>Q<PKIQELLNCTDIIFTHIFILEMVLKWVAFG1113
CACNA1ALNLRYFEMCILMVIAMSSIALAAEDPV-QP>N<APRNNVLRYFDYVFTGVFTFEMVIKMIDLG1300
CACNA1BVTMRYFEVVILVVIALSSIALAAEDPV-RT>D<SPRNNALKYLDYIFTGVFTFEMVIKMIDLG1207
CACNA1CVNDTIFTNLILFFILLSSISLAAEDPV-QH>T<SFRNHILFYFDIVFTTIFTIEIALKMTAYG956
CACNA1DINHHIFTNLILVFIMLSSAALAAEDPI-RS>H<SFRNTILGYFDYAFTAIFTVEILLKMTTFG962
CACNA1EVNLRYFEMCILLVIAASSIALAAEDPV-LT>N<SERNKVLRYFDYVFTGVFTFEMVIKMIDQG1209
CACNA1FIHHHVFTNLILVFIILSSVSLAAEDPI-RA>H<SFRNHILGYFDYAFTSIFTVEILLKMTVFG927
CACNA1GITHKMFDHVVLVIIFLNCITIAMERPKIDP>H<SAERIFLTLSNYIFTAVFLAEMTVKVVALG1333
CACNA1HITHKMFDHVVLVFIFLNCVTIALERPDIDP>G<STERVFLSVSNYIFTAIFVAEMMVKVVALG1351
CACNA1IIAHKLFDYVVLAFIFLNCITIALERPQIEA>G<STERIFLTVSNYIFTAIFVGEMTLKVVSLG1227
CACNA1SVNATWFTNFILLFILLSSAALAAEDPI-RA>D<SMRNQILKHFDIGFTSVFTVEIVLKMTTYG855
cons                              > <                              

See full Alignment of Paralogues


Known Variants in SCN5A

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.R1232Qc.3695G>A Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: probably 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
p.R1232Wc.3694C>T Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: probably damaging
ReportsOther Cardiac Phenotype Genetic basis and molecular mechanism for idiopathic ventricular fibrillation. Nature. 1998 392(6673):293-6. 9521325
Inherited ArrhythmiaBrS Type of SCN5A mutation determines clinical severity and degree of conduction slowing in loss-of-function sodium channelopathies. Heart Rhythm. 2009 6(3):341-8. 19251209
Inherited 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 Identification of six novel SCN5A mutations in Japanese patients with Brugada syndrome. Int Heart J. 2011 52(1):27-31. 21321465
Other Cardiac Phenotype Functional suppression of sodium channels by beta(1)-subunits as a molecular mechanism of idiopathic ventricular fibrillation. J Mol Cell Cardiol. 2000 32(10):1873-84. 11013131
Other Cardiac Phenotype Expression and intracellular localization of an SCN5A double mutant R1232W/T1620M implicated in Brugada syndrome. Circ Res. 2002 90(1):E11-6. 11786529
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