NM_001165963.4(SCN1A):c.4412C>T (p.Ser1471Phe) AND Severe myoclonic epilepsy in infancy

Clinical significance:Pathogenic (Last evaluated: Apr 25, 2021)

Review status:2 stars out of maximum of 4 stars

criteria provided, multiple submitters, no conflicts

Based on:
2 submissions [Details]
Record status:

Allele description [Variation Report for NM_001165963.4(SCN1A):c.4412C>T (p.Ser1471Phe)]

NM_001165963.4(SCN1A):c.4412C>T (p.Ser1471Phe)

SCN1A:sodium voltage-gated channel alpha subunit 1 [Gene - OMIM - HGNC]
LOC102724058:uncharacterized LOC102724058 [Gene]
Variant type:
single nucleotide variant
Cytogenetic location:
Genomic location:
Preferred name:
NM_001165963.4(SCN1A):c.4412C>T (p.Ser1471Phe)
  • NC_000002.12:g.165998102G>A
  • NG_011906.1:g.80538C>T
  • NM_001165963.4:c.4412C>TMANE SELECT
  • NM_001165964.3:c.4328C>T
  • NM_001202435.3:c.4412C>T
  • NM_001353948.2:c.4412C>T
  • NM_001353949.2:c.4379C>T
  • NM_001353950.2:c.4379C>T
  • NM_001353951.2:c.4379C>T
  • NM_001353952.2:c.4379C>T
  • NM_001353954.2:c.4376C>T
  • NM_001353955.2:c.4376C>T
  • NM_001353957.2:c.4328C>T
  • NM_001353958.2:c.4328C>T
  • NM_001353960.2:c.4325C>T
  • NM_001353961.2:c.1970C>T
  • NM_006920.6:c.4379C>T
  • NP_001159435.1:p.Ser1471Phe
  • NP_001159436.1:p.Ser1443Phe
  • NP_001189364.1:p.Ser1471Phe
  • NP_001340877.1:p.Ser1471Phe
  • NP_001340878.1:p.Ser1460Phe
  • NP_001340879.1:p.Ser1460Phe
  • NP_001340880.1:p.Ser1460Phe
  • NP_001340881.1:p.Ser1460Phe
  • NP_001340883.1:p.Ser1459Phe
  • NP_001340884.1:p.Ser1459Phe
  • NP_001340886.1:p.Ser1443Phe
  • NP_001340887.1:p.Ser1443Phe
  • NP_001340889.1:p.Ser1442Phe
  • NP_001340890.1:p.Ser657Phe
  • NP_008851.3:p.Ser1460Phe
  • LRG_8:g.80538C>T
  • NC_000002.11:g.166854612G>A
  • NM_001165963.1:c.4412C>T
  • NR_148667.2:n.4829C>T
Protein change:
dbSNP: rs794726809
NCBI 1000 Genomes Browser:
Molecular consequence:
  • NM_001165963.4:c.4412C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001165964.3:c.4328C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001202435.3:c.4412C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353948.2:c.4412C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353949.2:c.4379C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353950.2:c.4379C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353951.2:c.4379C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353952.2:c.4379C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353954.2:c.4376C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353955.2:c.4376C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353957.2:c.4328C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353958.2:c.4328C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353960.2:c.4325C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001353961.2:c.1970C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_006920.6:c.4379C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NR_148667.2:n.4829C>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]


Severe myoclonic epilepsy in infancy (DRVT)
Epilepsy, Myoclonic, Infantile, Severe; Dravet syndrome; Epileptic encephalopathy, early infantile, 6 (Dravet syndrome)
MONDO: MONDO:0100135; MedGen: C0751122; Orphanet: 33069; OMIM: 607208

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
SCV000221911Center for Bioinformatics, Peking University - University Clinical Cooperation “985 Project” PKU-2014-1-1

See additional submitters

criteria provided, single submitter
(Dec 20, 2014)
de novoresearch

PubMed (1)
[See all records that cite this PMID]

Citation Link,

SCV001572554Centre for Inherited Metabolic Diseases, Karolinska University Hospitalcriteria provided, single submitter
(Apr 25, 2021)
de novoclinical testing

PubMed (1)
[See all records that cite this PMID]


Dravet syndrome (DS) probands were recruited from the outpatient and inpatient child neurology units of Peking University First Hospital from 2005 till present. The study was approved by the Ethics Committee of Peking University First Hospital and the Institutional Review Board at Peking University. Participants or their parents provided written informed consent before enrollment. We collected a total of 267 mutations from 255 families with probands diagnosed with DS in China. All probands fulfilled the clinical diagnostic criteria.


Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedde novoyes1not providednot provided1not providedclinical testing
Chinesede novoyes1not providednot providednot providednot providedresearch



Amplicon Resequencing Identified Parental Mosaicism for Approximately 10% of "de novo" SCN1A Mutations in Children with Dravet Syndrome.

Xu X, Yang X, Wu Q, Liu A, Yang X, Ye AY, Huang AY, Li J, Wang M, Yu Z, Wang S, Zhang Z, Wu X, Wei L, Zhang Y.

Hum Mutat. 2015 Sep;36(9):861-72. doi: 10.1002/humu.22819. Epub 2015 Jul 24.

PubMed [citation]

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

Details of each submission

From Center for Bioinformatics, Peking University - University Clinical Cooperation “985 Project” PKU-2014-1-1, SCV000221911.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1Chinese1not providednot providedresearch PubMed (1)
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1de novoyesnot providednot providednot provided1not providednot providednot provided

From Centre for Inherited Metabolic Diseases, Karolinska University Hospital, SCV001572554.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not provided1not providednoclinical testing PubMed (1)
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1de novoyes1not provideddiscovery1not providednot providednot provided

Last Updated: Oct 7, 2021

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