Paralogue Annotation for SCN5A residue 839

Residue details

Gene: SCN5A
Reference Sequences: LRG: LRG_289, Ensembl variant: ENST00000333535 / ENSP00000328968
Amino Acid Position: 839
Reference Amino Acid: L - Leucine
Protein Domain: TM Domain 2


Paralogue Variants mapped to SCN5A residue 839

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
SCN1AL890PDravet syndrome C ?High9 21248271
SCN8AL875QLennox-Gastaut syndromeHigh9 23934111

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.



SCN5ASFRLLRVFKLAKSWPTLNTLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKNYSEL-868
SCN1ASFRLLRVFKLAKSWPTLNMLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKSYKDC-919
SCN2ASFRLLRVFKLAKSWPTLNMLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKSYKEC-910
SCN3ASFRLLRVFKLAKSWPTLNMLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKSYKEC-911
SCN4ASFRLLRVFKLAKSWPTLNMLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKSYKEC-729
SCN7ALFRMLRIFKLGKYWPTFQILMWSLSNSWVA>L<KDLVLLLFTFIFFSAAFGMKLFGKNYEEF-656
SCN8ASFRLLRVFKLAKSWPTLNMLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKSYKEC-904
SCN9ASFRLLRVFKLAKSWPTLNMLIKIIGNSVGA>L<GNLTLVLAIIVFIFAVVGMQLFGKSYKEC-884
SCN10ASFRLLRVFKLAKSWPTLNTLIKIIGNSVGA>L<GNLTIILAIIVFVFALVGKQLLGENYRNN-816
SCN11ASFRVLRVFKLAKSWPTLNTLIKIIGNSVGA>L<GSLTVVLVIVIFIFSVVGMQLFGRSFNSQ-730
CACNA1AALRLLRIFKVTKYWASLRNLVVSLLNSMKS>I<ISLLFLLFLFIVVFALLGMQLFGGQFNFD-643
CACNA1BALRLLRIFKVTKYWSSLRNLVVSLLNSMKS>I<ISLLFLLFLFIVVFALLGMQLFGGQFNFQ-639
CACNA1CCVRLLRIFKITRYWNSLSNLVASLLNSVRS>I<ASLLLLLFLFIIIFSLLGMQLFGGKFNFD-680
CACNA1DCVRLLRIFKVTRHWTSLSNLVASLLNSMKS>I<ASLLLLLFLFIIIFSLLGMQLFGGKFNFD-699
CACNA1EALRLLRIFKITKYWASLRNLVVSLMSSMKS>I<ISLLFLLFLFIVVFALLGMQLFGGRFNFN-632
CACNA1FCVRLLRIFKVTRHWASLSNLVASLLNSMKS>I<ASLLLLLFLFIIIFSLLGMQLFGGKFNFD-685
CACNA1GTFRLMRVLKLVRFLPALQRQLVVLMKTMDN>V<ATFCMLLMLFIFIFSILGMHLFGCKFASER895
CACNA1HTFRLLRVLKLVRFLPALRRQLVVLVKTMDN>V<ATFCTLLMLFIFIFSILGMHLFGCKFSLKT945
CACNA1ITFRLLRVLKLVRFMPALRRQLVVLMKTMDN>V<ATFCMLLMLFIFIFSILGMHIFGCKFSLRT792
CACNA1SCIRLLRIFKITKYWTSLSNLVASLLNSIRS>I<ASLLLLLFLFIVIFALLGMQLFGGRYDFE-588
cons                              > <                              

See full Alignment of Paralogues


Known Variants in SCN5A

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.L839Pc.2516T>C Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaBrS Monomorphic ventricular tachycardia due to Brugada syndrome successfully treated by hydroquinidine therapy in a 3-year-old child. J Cardiovasc Electrophysiol. 2006 17(1):97-100. 16426410
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 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