Paralogue Annotation for SCN5A residue 1420

Residue details

Gene: SCN5A
Reference Sequences: LRG: LRG_289, Ensembl variant: ENST00000333535 / ENSP00000328968
Amino Acid Position: 1420
Reference Amino Acid: G - Glycine
Protein Domain: TM Domain 3


Paralogue Variants mapped to SCN5A residue 1420

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
SCN1AG1433RDravet syndromeHigh9 20729507
SCN1AG1433EMyoclonic epilepsy of infancyHigh9 18554359, 24168886
SCN1AG1433VDravet syndrome C ?High9 21248271

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.



SCN5AE--LYWTKVKVNFDNVGAGYLALLQVATFK>G<WMDIMYAAVDSRGYEEQPQWEYNLYMYIYF1450
SCN1AET-ARWKNVKVNFDNVGFGYLSLLQVATFK>G<WMDIMYAAVDSRNVELQPKYEESLYMYLYF1463
SCN2AQT-ARWKNVKVNFDNVGLGYLSLLQVATFK>G<WMDIMYAAVDSRNVELQPKYEDNLYMYLYF1453
SCN3AQ--ARWKNVKVNFDNVGAGYLALLQVATFK>G<WMDIMYAAVDSRDVKLQPVYEENLYMYLYF1448
SCN4AQ--VRWLNVKVNYDNVGLGYLSLLQVATFK>G<WMDIMYAAVDSREKEEQPQYEVNLYMYLYF1275
SCN7AS--MLWENAKMNFDNVGNGFLSLLQVATFN>G<WITIMNSAIDSVAVNIQPHFEVNIYMYCYF1173
SCN8ANTEIRWKNVKINFDNVGAGYLALLQVATFK>G<WMDIMYAAVDSRKPDEQPKYEDNIYMYIYF1444
SCN9AQN-VRWKNLKVNFDNVGLGYLSLLQVATFK>G<WTIIMYAAVDSVNVDKQPKYEYSLYMYIYF1426
SCN10AS--FFWVNVKVNFDNVAMGYLALLQVATFK>G<WMDIMYAAVDSREVNMQPKWEDNVYMYLYF1398
SCN11A---FSWINQKVNFDNVGNAYLALLQVATFK>G<WMDIIYAAVDSTEKEQQPEFESNSLGYIYF1288
CACNA1A--DREWKKYEFHYDNVLWALLTLFTVSTGE>G<WPQVLKHSVDATFENQGPSPGYRMEMSIFY1491
CACNA1B--PRQWKKYDFHYDNVLWALLTLFTVSTGE>G<WPMVLKHSVDATYEEQGPSPGYRMELSIFY1397
CACNA1C--PRSWENSKFDFDNVLAAMMALFTVSTFE>G<WPELLYRSIDSHTEDKGPIYNYRVEISIFF1146
CACNA1D--ERIWQNSDFNFDNVLSAMMALFTVSTFE>G<WPALLYKAIDSNGENIGPIYNHRVEISIFF1152
CACNA1E--GREWKRHEFHYDNIIWALLTLFTVSTGE>G<WPQVLQHSVDVTEEDRGPSRSNRMEMSIFY1403
CACNA1F--ERLWVNSDFNFDNVLSAMMALFTVSTFE>G<WPALLYKAIDAYAEDHGPIYNYRVEISVFF1117
CACNA1G--SYRWVRHKYNFDNLGQALMSLFVLASKD>G<WVDIMYDGLDAVGVDQQPIMNHNPWMLLYF1517
CACNA1H--HYRWVRRKYNFDNLGQALMSLFVLSSKD>G<WVNIMYDGLDAVGVDQQPVQNHNPWMLLYF1535
CACNA1I--NYRWVHHKYNFDNLGQALMSLFVLASKD>G<WVNIMYNGLDAVAVDQQPVTNHNPWMLLYF1411
CACNA1S--HREWVHSDFHFDNVLSAMMSLFTVSTFE>G<WPQLLYKAIDSNAEDVGPIYNNRVEMAIFF1045
cons                              > <                              

See full Alignment of Paralogues


Known Variants in SCN5A

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.G1420Rc.4258G>C 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.G1420Vc.4259G>T Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaBrS Prospective evaluation of the familial prevalence of the brugada syndrome. Am J Cardiol. 2010 106(12):1758-62. 21126620