Paralogue Annotation for SCN5A residue 1774

Residue details

Gene: SCN5A
Reference Sequences: LRG: LRG_289, Ensembl variant: ENST00000333535 / ENSP00000328968
Amino Acid Position: 1774
Reference Amino Acid: N - Asparagine
Protein Domain: C-terminus


Paralogue Variants mapped to SCN5A residue 1774

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
SCN8AN1768DEpileptic encephalopathy, infantileHigh9 22365152, 25227913, 22365152

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.



SCN5ASPAVGILFFTTYIIISFLIVVNMYIAIILE>N<FSVATEESTEPLSEDDFDMFYEIWEKFDPE1804
SCN1ANPSVGIFFFVSYIIISFLVVVNMYIAVILE>N<FSVATEESAEPLSEDDFEMFYEVWEKFDPD1818
SCN2ANPSVGIFFFVSYIIISFLVVVNMYIAVILE>N<FSVATEESAEPLSEDDFEMFYEVWEKFDPD1808
SCN3ANPSVGIFFFVSYIIISFLVVVNMYIAVILE>N<FSVATEESAEPLSEDDFEMFYEVWEKFDPD1803
SCN4ANPSIGICFFCSYIIISFLIVVNMYIAIILE>N<FNVATEESSEPLGEDDFEMFYETWEKFDPD1630
SCN7ANPSVGIFYFVSYILISWLIIVNMYIVVVME>F<LNIASKKKNKTLSEDDFRKFFQVWKRFDPD1528
SCN8ANPSVGIFFFVSYIIISFLIVVNMYIAIILE>N<FSVATEESADPLSEDDFETFYEIWEKFDPD1798
SCN9ANPSVGIFYFVSYIIISFLVVVNMYIAVILE>N<FSVATEESTEPLSEDDFEMFYEVWEKFDPD1781
SCN10ASPAVGIIFFTTYIIISFLIMVNMYIAVILE>N<FNVATEESTEPLSEDDFDMFYETWEKFDPE1754
SCN11ALPGIATSYFVSYIIISFLIVVNMYIAVILE>N<FNTATEESEDPLGEDDFDIFYEVWEKFDPE1636
CACNA1AN-EFAYFYFVSFIFLCSFLMLNLFVAVIMD>N<FEYLTRDSSI-LGPHHLDEYVRVWAEYDPA1842
CACNA1BS-DFAYFYFVSFIFLCSFLMLNLFVAVIMD>N<FEYLTRDSSI-LGPHHLDEFIRVWAEYDPA1740
CACNA1CS-SFAVFYFISFYMLCAFLIINLFVAVIMD>N<FDYLTRDWSI-LGPHHLDEFKRIWAEYDPE1507
CACNA1DS-NFAIVYFISFYMLCAFLIINLFVAVIMD>N<FDYLTRDWSI-LGPHHLDEFKRIWSEYDPE1515
CACNA1ET-DLAYVYFVSFIFFCSFLMLNLFVAVIMD>N<FEYLTRDSSI-LGPHHLDEFVRVWAEYDRA1754
CACNA1FS-NFAIAYFISFFMLCAFLIINLFVAVIMD>N<FDYLTRDWSI-LGPHHLDEFKRIWSEYDPG1472
CACNA1GT-VISPIYFVSFVLTAQFVLVNVVIAVLMK>H<LEESNKEAKE---EAELEAELELEMKT-LS1879
CACNA1HP-ALSPVYFVTFVLVAQFVLVNVVVAVLMK>H<LEESNKEARE---DAELDAEIELEMAQGPG1889
CACNA1IQ-FVSPLYFVSFVLTAQFVLINVVVAVLMK>H<LDDSNKEAQE---DAEMDAELELEMAHGLG1759
CACNA1ST-NFAYYYFISFYMLCAFLVINLFVAVIMD>N<FDYLTRDWSI-LGPHHLDEFKAIWAEYDPE1412
cons                              > <                              

See full Alignment of Paralogues


Known Variants in SCN5A

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.N1774Dc.5320A>G Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: possibly damaging
ReportsInherited ArrhythmiaLQTS Clinical characteristics and genetic background of congenital long-QT syndrome diagnosed in fetal, neonatal, and infantile life: a nationwide questionnaire survey in Japan. Circ Arrhythm Electrophysiol. 2010 3(1):10-7. 19996378
Inherited ArrhythmiaLQTS Cardiac channelopathies associated with infantile fatal ventricular arrhythmias: from the cradle to the bench. J Cardiovasc Electrophysiol. 2014 25(1):66-73. doi: 10.1111/jce.12270. 24112685
p.N1774Sc.5321A>G Inherited ArrhythmiaBrSSIFT: deleterious
Polyphen: possibly damaging
ReportsInherited ArrhythmiaBrS [Relationship between congenital long QT syndrome and Brugada syndrome gene mutation]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao. 2005 27(3):289-94. 16038262
p.N1774Hc.5320A>C Other Cardiac PhenotypeSIFT:
Polyphen:
ReportsOther Cardiac Phenotype Post-mortem whole-exome sequencing (WES) with a focus on cardiac disease-associated genes in five young sudden unexplained death (SUD) cases. Int J Legal Med. 2016 130(4):1011-21. doi: 10.1007/s00414-016-1317-4. 26846766