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SCN1A Gene(Protein Coding)

Sodium Voltage-Gated Channel Alpha Subunit 1

GCID:
GC02M165989
GIFtS:
62
Genes Participants
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Aliases for SCN1A Gene

Aliases for SCN1A Gene

  • Sodium Voltage-Gated Channel Alpha Subunit 1 2 3 5
  • Sodium Channel, Voltage-Gated, Type I, Alpha Subunit 2 3
  • Voltage-Gated Sodium Channel Subunit Alpha Nav1.1 3 4
  • Sodium Channel Protein Type I Subunit Alpha 3 4
  • SCN1 3 4
  • NAC1 3 4
  • Sodium Channel, Voltage-Gated, Type I, Alpha Polypeptide 3
  • Sodium Channel, Voltage Gated, Type I Alpha Subunit 2
  • Sodium Channel Voltage Gated Type 1 Alpha Subunit 3
  • Sodium Channel Protein, Brain I Alpha Subunit 3
  • Sodium Channel Protein Brain I Subunit Alpha 4
  • Sodium Channel Protein Type 1 Subunit Alpha 3
  • Febrile Convulsions 3 2
  • GEFSP2 3
  • Nav1.1 3
  • EIEE6 3
  • FEB3A 3
  • HBSCI 3
  • FHM3 3
  • SMEI 3
  • FEB3 3

External Ids for SCN1A Gene

Previous HGNC Symbols for SCN1A Gene

  • SCN1
  • FEB3

Previous GeneCards Identifiers for SCN1A Gene

  • GC02M164900
  • GC02M165387
  • GC02M166809
  • GC02M167048
  • GC02M166671
  • GC02M166553
  • GC02M158727

Summaries for SCN1A Gene

Entrez Gene Summary for SCN1A Gene

  • Voltage-dependent sodium channels are heteromeric complexes that regulate sodium exchange between intracellular and extracellular spaces and are essential for the generation and propagation of action potentials in muscle cells and neurons. Each sodium channel is composed of a large pore-forming, glycosylated alpha subunit and two smaller beta subunits. This gene encodes a sodium channel alpha subunit, which has four homologous domains, each of which contains six transmembrane regions. Allelic variants of this gene are associated with generalized epilepsy with febrile seizures and epileptic encephalopathy. Alternative splicing results in multiple transcript variants. The RefSeq Project has decided to create four representative RefSeq records. Three of the transcript variants are supported by experimental evidence and the fourth contains alternate 5' untranslated exons, the exact combination of which have not been experimentally confirmed for the full-length transcript. [provided by RefSeq, Oct 2015]

GeneCards Summary for SCN1A Gene

SCN1A (Sodium Voltage-Gated Channel Alpha Subunit 1) is a Protein Coding gene. Diseases associated with SCN1A include Dravet Syndrome and Migraine, Familial Hemiplegic, 3. Among its related pathways are Neuropathic Pain-Signaling in Dorsal Horn Neurons and Developmental Biology. GO annotations related to this gene include ion channel activity and voltage-gated sodium channel activity. An important paralog of this gene is SCN2A.

UniProtKB/Swiss-Prot for SCN1A Gene

  • Mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient. Plays a key role in brain, probably by regulating the moment when neurotransmitters are released in neurons. Involved in sensory perception of mechanical pain: activation in somatosensory neurons induces pain without neurogenic inflammation and produces hypersensitivity to mechanical, but not thermal stimuli.

Tocris Summary for SCN1A Gene

  • Voltage-gated sodium channels (NaV) are responsible for action potential initiation and propagation in excitable cells, including nerve, muscle, and neuroendocrine cell types. They are also expressed at low levels in non-excitable cells, where their physiological role is unclear.

Gene Wiki entry for SCN1A Gene

No data available for CIViC summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for SCN1A Gene

Genomics for SCN1A Gene

Products:

  1. Regulatory Element

Regulatory Elements for SCN1A Gene

Enhancers for SCN1A Gene
GeneHancer Identifier Enhancer Score Enhancer Sources Gene-Enhancer Score TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor Binding Sites within enhancer Gene Targets for Enhancer
GH02G166125 0.9 FANTOM5 dbSUPER 14.2 +23.1 23088 0.4 GATAD2A TFAP4 STAT1 SAP130 TEAD1 HLF CEBPB CEBPG TEAD3 ATF4 SCN1A LOC102724058 LOC101929680 GC02M166126 GC02M166124 GC02M166127
GH02G166127 1.1 Ensembl dbSUPER 11.6 +21.6 21585 0.8 ELF3 FOXA2 NFIB RAD21 ZNF143 ZNF654 ZNF362 MXD4 MIER2 REST SCN1A LOC102724058 LOC101929680 GC02M166127 GC02M166126 GC02M166148 GC02M166154
GH02G166034 0.3 FANTOM5 13.8 +115.0 114955 0.4 SCN1A LOC102724058 LOC101929680 TTC21B GC02M166073
- Elite enhancer and/or Elite enhancer-gene association Download GeneHancer data dump

Enhancers around SCN1A on UCSC Golden Path with GeneCards custom track

Transcription factor binding sites by QIAGEN in the SCN1A gene promoter:

Genomic Location for SCN1A Gene

Chromosome:
2
Start:
165,989,160 bp from pter
End:
166,149,272 bp from pter
Size:
160,113 bases
Orientation:
Minus strand

Genomic View for SCN1A Gene

Genes around SCN1A on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
SCN1A Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for SCN1A Gene
GeneLoc Logo Genomic Neighborhood • Exon Structure • Gene Density

RefSeq DNA sequence for SCN1A Gene

Proteins for SCN1A Gene

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  • Protein details for SCN1A Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    P35498-SCN1A_HUMAN
    Recommended name:
    Sodium channel protein type 1 subunit alpha
    Protein Accession:
    P35498
    Secondary Accessions:
    • E9PG49
    • Q16172
    • Q585T7
    • Q8IUJ6
    • Q96LA3
    • Q9C008

    Protein attributes for SCN1A Gene

    Size:
    2009 amino acids
    Molecular mass:
    228972 Da
    Quaternary structure:
    • The voltage-sensitive sodium channel consists of an ion conducting pore forming alpha-subunit regulated by one or more beta-1 (SCN1B), beta-2 (SCN2B), beta-3 (SCN3B) and/or beta-4 (SCN4B). Beta-1 (SCN1B) and beta-3 (SCN3B) are non-covalently associated with alpha, while beta-2 (SCN2B) and beta-4 (SCN4B) are covalently linked by disulfide bonds. Interacts with FGF13 (PubMed:21566136). Interacts with SCN1B (PubMed:17928445, PubMed:15525788). Interacts with the conotoxin GVIIJ (PubMed:24497506).

    Alternative splice isoforms for SCN1A Gene

    UniProtKB/Swiss-Prot:

neXtProt entry for SCN1A Gene

Protein Expression for SCN1A Gene

See protein expression from ProteomicsDB, MOPED, PaxDb, and MaxQB

Post-translational modifications for SCN1A Gene

  • Phosphorylation at Ser-1516 by PKC in a highly conserved cytoplasmic loop slows inactivation of the sodium channel and reduces peak sodium currents.
  • Glycosylation at isoforms=2, 3211, Asn284, isoforms=2, 3295, isoforms=2, 3301, Asn306, Asn338, isoforms=2, 31378, isoforms=2, 31392, and Asn1403
  • Modification sites at PhosphoSitePlus

Other Protein References for SCN1A Gene

ENSEMBL proteins:
REFSEQ proteins:

No data available for DME Specific Peptides for SCN1A Gene

Domains & Families for SCN1A Gene

Gene Families for SCN1A Gene

HGNC:
IUPHAR :

Protein Domains for SCN1A Gene

InterPro:
Blocks:
ProtoNet:

Suggested Antigen Peptide Sequences for SCN1A Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry

P35498

UniProtKB/Swiss-Prot:

SCN1A_HUMAN :
  • The sequence contains 4 internal repeats, each with 5 hydrophobic segments (S1,S2,S3,S5,S6) and one positively charged segment (S4). Segments S4 are probably the voltage-sensors and are characterized by a series of positively charged amino acids at every third position.
  • Belongs to the sodium channel (TC 1.A.1.10) family. Nav1.1/SCN1A subfamily.
Domain:
  • The sequence contains 4 internal repeats, each with 5 hydrophobic segments (S1,S2,S3,S5,S6) and one positively charged segment (S4). Segments S4 are probably the voltage-sensors and are characterized by a series of positively charged amino acids at every third position.
  • The S3b-S4 and S1-S2 loops of repeat IV are targeted by H.maculata toxins Hm1a and Hm1b, leading to inhibit fast inactivation of Nav1.1/SCN1A. Selectivity for H.maculata toxins Hm1a and Hm1b depends on S1-S2 loops of repeat IV.
Family:
  • Belongs to the sodium channel (TC 1.A.1.10) family. Nav1.1/SCN1A subfamily.
genes like me logo Genes that share domains with SCN1A: view

Function for SCN1A Gene

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Molecular function for SCN1A Gene

GENATLAS Biochemistry:
sodium voltage-gated channel,type I,alpha polypeptide,expressed in brain
UniProtKB/Swiss-Prot EnzymeRegulation:
Inactivation of this channel is specifically inhibited by the spider toxins Hm1a and Hm1b (H.maculata, AC P60992 and AC P0DOC5) in somatosensory neurons to elicit acute pain and mechanical allodynia.
UniProtKB/Swiss-Prot Function:
Mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient. Plays a key role in brain, probably by regulating the moment when neurotransmitters are released in neurons. Involved in sensory perception of mechanical pain: activation in somatosensory neurons induces pain without neurogenic inflammation and produces hypersensitivity to mechanical, but not thermal stimuli.

Gene Ontology (GO) - Molecular Function for SCN1A Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005216 ion channel activity IEA --
GO:0005244 voltage-gated ion channel activity IEA --
GO:0005248 voltage-gated sodium channel activity NAS,IBA 10742094
GO:0005272 sodium channel activity IEA --
genes like me logo Genes that share ontologies with SCN1A: view
genes like me logo Genes that share phenotypes with SCN1A: view

Human Phenotype Ontology for SCN1A Gene

HPO Id HPO Name Alternative Ids Definition Synonyms

Animal Models for SCN1A Gene

MGI Knock Outs for SCN1A:

Animal Model Products

Inhibitory RNA Products

Flow Cytometry Products

No data available for Enzyme Numbers (IUBMB) , Transcription Factor Targets and HOMER Transcription for SCN1A Gene

Localization for SCN1A Gene

Subcellular locations from UniProtKB/Swiss-Prot for SCN1A Gene

Cell membrane; Multi-pass membrane protein.

Subcellular locations from

COMPARTMENTS
Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
COMPARTMENTS Subcellular localization image for SCN1A gene
Compartment Confidence
plasma membrane 5
nucleus 4

Gene Ontology (GO) - Cellular Components for SCN1A Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0001518 voltage-gated sodium channel complex IEA --
GO:0005654 nucleoplasm IDA --
GO:0005886 plasma membrane IDA --
GO:0014704 intercalated disc IEA --
GO:0016020 membrane IEA --
genes like me logo Genes that share ontologies with SCN1A: view

Pathways & Interactions for SCN1A Gene

genes like me logo Genes that share pathways with SCN1A: view

Pathways by source for SCN1A Gene

1 Cell Signaling Technology pathway for SCN1A Gene
1 KEGG pathway for SCN1A Gene

Gene Ontology (GO) - Biological Process for SCN1A Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006810 transport IEA --
GO:0006811 ion transport IEA --
GO:0006814 sodium ion transport NAS 10742094
GO:0007628 adult walking behavior IEA --
GO:0019227 neuronal action potential propagation IEA --
genes like me logo Genes that share ontologies with SCN1A: view

No data available for SIGNOR curated interactions for SCN1A Gene

Drugs & Compounds for SCN1A Gene

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(25) Drugs for SCN1A Gene - From: DrugBank, PharmGKB, DGIdb, IUPHAR, HMDB, Tocris, and Novoseek

Name Status Disease Links Group Role Mechanism of Action Clinical Trials
Phenytoin Approved, Vet_approved Pharma Pore Blocker, blocker, Target, inhibitor 77
Nitrazepam Approved Pharma antagonist, Target, other/unknown 8
Phenacemide Approved Pharma blocker, Target, inhibitor 0
Topiramate Approved Pharma antagonist, Target, inhibitor GluR5 receptor antagonist,anticonvulsant, GluR5 antagonist; inhibits carbonic anhydrase (CA) II and IV 249
Zonisamide Approved, Investigational Pharma blocker, Target, inhibitor Antiepileptic with anticonvulsant and mechanistic effect 68

(3) Additional Compounds for SCN1A Gene - From: HMDB, Novoseek, and Tocris

Name Synonyms Role CAS Number PubChem IDs PubMed IDs
sodium
  • Sodium
  • Sodium ion
 7440-23-5
3',4'-Dihydrodiol
Tetrodotoxin citrate
18660-81-6

(5) Tocris Compounds for SCN1A Gene

Compound Action Cas Number
QX 314 bromide Na+ channel blocker 24003-58-5
QX 314 chloride Na+ channel blocker 5369-03-9
Tetrodotoxin Na+ channel blocker 4368-28-9
Tetrodotoxin citrate Na+ channel blocker; citrate salt of tetrodotoxin (Cat. No. 1078) 18660-81-6
Veratridine Voltage-gated Na+ channel opener 71-62-5
genes like me logo Genes that share compounds with SCN1A: view

Transcripts for SCN1A Gene

Products:

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  2. miRNA
  3. Inhibitory RNA
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mRNA/cDNA for SCN1A Gene

(19) REFSEQ mRNAs :
(13) Additional mRNA sequences :
(32) Selected AceView cDNA sequences:
(19) Ensembl transcripts including schematic representations, and UCSC links where relevant :

Unigene Clusters for SCN1A Gene

Sodium channel, voltage-gated, type I, alpha subunit:
Representative Sequences:

Inhibitory RNA Products

Flow Cytometry Products

Alternative Splicing Database (ASD) splice patterns (SP) for SCN1A Gene

No ASD Table

Relevant External Links for SCN1A Gene

GeneLoc Exon Structure for
SCN1A
ECgene alternative splicing isoforms for
SCN1A

Expression for SCN1A Gene

Products:

  1. Primer

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and CGAP SAGE for SCN1A Gene

mRNA expression in normal human tissues for SCN1A Gene
mRNA expression by BioGPS for SCN1A GenemRNA expression by GTEx for SCN1A Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for SCN1A Gene

This gene is overexpressed in Brain - Frontal Cortex (BA9) (x9.2), Brain - Cortex (x5.9), and Brain - Anterior cingulate cortex (BA24) (x5.7).

Protein differential expression in normal tissues from HIPED for SCN1A Gene

This gene is overexpressed in Breast (24.0), Frontal cortex (22.9), and Blymphocyte (17.8).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, and MOPED for SCN1A Gene



NURSA nuclear receptor signaling pathways regulating expression of SCN1A Gene:

SCN1A

SOURCE GeneReport for Unigene cluster for SCN1A Gene:

Hs.22654

Evidence on tissue expression from TISSUES for SCN1A Gene

  • Nervous system(4.8)
  • Muscle(2.1)

Phenotype-based relationships between genes and organs from Gene ORGANizer for SCN1A Gene

Germ Layers:
  • ectoderm
  • endoderm
  • mesoderm
Systems:
  • digestive
  • immune
  • nervous
  • skeletal muscle
  • skeleton
Organs:
Head and neck:
  • brain
  • cerebellum
  • cranial nerve
  • ear
  • eye
  • head
  • skull
Thorax:
  • chest wall
  • esophagus
Abdomen:
  • abdominal wall
  • stomach
Limb:
  • lower limb
  • upper limb
General:
  • blood
  • peripheral nerve
  • peripheral nervous system
  • spinal cord
  • white blood cell
genes like me logo Genes that share expression patterns with SCN1A: view

Primer Products

No data available for Protein tissue co-expression partners and mRNA Expression by UniProt/SwissProt for SCN1A Gene

Orthologs for SCN1A Gene

This gene was present in the common ancestor of chordates.

Orthologs for SCN1A Gene

Organism Taxonomy Gene Similarity Type Details
chimpanzee
(Pan troglodytes)
 Mammalia SCN1A 34 35
  • 99.57 (n)
oppossum
(Monodelphis domestica)
 Mammalia SCN1A 35
  • 96 (a)
 OneToOne
dog
(Canis familiaris)
 Mammalia SCN1A 34 35
  • 94.09 (n)
cow
(Bos Taurus)
 Mammalia SCN1A 34 35
  • 93.63 (n)
mouse
(Mus musculus)
 Mammalia Scn1a 34 16 35
  • 90.44 (n)
rat
(Rattus norvegicus)
 Mammalia Scn1a 34
  • 89.96 (n)
platypus
(Ornithorhynchus anatinus)
 Mammalia SCN1A 35
  • 89 (a)
 OneToOne
chicken
(Gallus gallus)
 Aves SCN1A 34
  • 83.09 (n)
lizard
(Anolis carolinensis)
 Reptilia SCN1A 35
  • 89 (a)
 OneToOne
zebrafish
(Danio rerio)
 Actinopterygii scn1lab 35
  • 78 (a)
 OneToMany
Species where no ortholog for SCN1A was found in the sources mined by GeneCards:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • African malaria mosquito (Anopheles gambiae)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • fruit fly (Drosophila melanogaster)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea squirt (Ciona intestinalis)
  • sea squirt (Ciona savignyi)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • tropical clawed frog (Silurana tropicalis)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)

Evolution for SCN1A Gene

ENSEMBL:
Gene Tree for SCN1A (if available)
TreeFam:
Gene Tree for SCN1A (if available)

Paralogs for SCN1A Gene

Paralogs for SCN1A Gene

(17) SIMAP similar genes for SCN1A Gene using alignment to 6 proteins:

genes like me logo Genes that share paralogs with SCN1A: view

Variants for SCN1A Gene

Sequence variations from dbSNP and Humsavar for SCN1A Gene

SNP ID Clin Chr 02 pos Sequence Context AA Info Type
rs121917906 Uncertain significance, Generalized epilepsy with febrile seizures plus 2 (GEFS+2) [MIM:604403] 166,073,542(-) TGAAA(C/G)ACGCA nc-transcript-variant, reference, missense, utr-variant-5-prime
rs121917907 untested, Epileptic encephalopathy, early infantile, 6 (EIEE6) [MIM:607208] 166,073,435(-) TTCCA(C/T)TTATT nc-transcript-variant, reference, missense, utr-variant-5-prime
rs121917908 Pathogenic, Epileptic encephalopathy, early infantile, 6 (EIEE6) [MIM:607208] 165,999,764(-) TCAAA(A/C/G)GATGG intron-variant, nc-transcript-variant, reference, missense
rs121917909 untested, Epileptic encephalopathy, early infantile, 6 (EIEE6) [MIM:607208] 166,051,967(-) GGGAG(C/T)CCTGA nc-transcript-variant, reference, missense, utr-variant-5-prime
rs121917910 Uncertain significance, Febrile seizures, familial, 3A (FEB3A) [MIM:604403] 166,009,797(-) TCAGA(A/T)CTTGG intron-variant, nc-transcript-variant, reference, missense

Structural Variations from Database of Genomic Variants (DGV) for SCN1A Gene

Variant ID Type Subtype PubMed ID
dgv1181e212 CNV loss 25503493
dgv2085n106 CNV deletion 24896259
dgv63n17 CNV loss 16327808
esv2357676 CNV deletion 18987734
esv2721076 CNV deletion 23290073
esv2721077 CNV deletion 23290073
esv2721078 CNV deletion 23290073
esv2721079 CNV deletion 23290073
esv2721080 CNV deletion 23290073
esv3560478 CNV deletion 23714750
esv3584150 CNV loss 25503493
esv3593246 CNV gain 21293372
nsv1127778 CNV deletion 24896259
nsv1143007 CNV deletion 24896259
nsv1149312 CNV insertion 26484159
nsv1153442 CNV deletion 26484159
nsv459936 CNV loss 19166990
nsv478361 CNV novel sequence insertion 20440878
nsv583584 CNV loss 21841781
nsv834445 CNV gain+loss 17160897
nsv956697 CNV deletion 24416366
nsv961904 CNV duplication 23825009

Variation tolerance for SCN1A Gene

Residual Variation Intolerance Score: 2.38% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 2.65; 45.70% of all genes are more intolerant (likely to be disease-causing)

Relevant External Links for SCN1A Gene

Human Gene Mutation Database (HGMD)
SCN1A
SNPedia medical, phenotypic, and genealogical associations of SNPs for
SCN1A

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for SCN1A Gene

Disorders for SCN1A Gene

MalaCards: The human disease database

(43) MalaCards diseases for SCN1A Gene - From: OMIM, ClinVar, GeneTests, Orphanet, Swiss-Prot, DISEASES, Novoseek, and GeneCards

Disorder Aliases PubMed IDs
dravet syndrome
  • dravet syndrome, modifier of
migraine, familial hemiplegic, 3
  • familial hemiplegic migraine type 3
epilepsy, generalized, with febrile seizures plus, type 2
  • febrile seizures, familial, 3a
lennox-gastaut syndrome
  • lennox syndrome
epilepsy, generalized, with febrile seizures plus, type 1
  • gefs+ type 1
- elite association - COSMIC cancer census association via MalaCards
Search SCN1A in MalaCards View complete list of genes associated with diseases

UniProtKB/Swiss-Prot

SCN1A_HUMAN
  • Epileptic encephalopathy, early infantile, 6 (EIEE6) [MIM:607208]: A severe form of epileptic encephalopathy characterized by generalized tonic, clonic, and tonic-clonic seizures that are initially induced by fever and begin during the first year of life. Later, patients also manifest other seizure types, including absence, myoclonic, and simple and complex partial seizures. Psychomotor development delay is observed around the second year of life. Some patients manifest a borderline disease phenotype and do not necessarily fulfill all diagnostic criteria for core EIEE6. EIEE6 is considered to be the most severe phenotype within the spectrum of generalized epilepsies with febrile seizures-plus. {ECO:0000269 PubMed:11359211, ECO:0000269 PubMed:12083760, ECO:0000269 PubMed:12566275, ECO:0000269 PubMed:12754708, ECO:0000269 PubMed:12821740, ECO:0000269 PubMed:14504318, ECO:0000269 PubMed:14672992, ECO:0000269 PubMed:14738421, ECO:0000269 PubMed:15087100, ECO:0000269 PubMed:15944908, ECO:0000269 PubMed:16122630, ECO:0000269 PubMed:16458823, ECO:0000269 PubMed:16713920, ECO:0000269 PubMed:17054684, ECO:0000269 PubMed:17054685, ECO:0000269 PubMed:17129991, ECO:0000269 PubMed:17347258, ECO:0000269 PubMed:17561957, ECO:0000269 PubMed:18413471, ECO:0000269 PubMed:18639757, ECO:0000269 PubMed:18930999, ECO:0000269 PubMed:19522081, ECO:0000269 PubMed:19563458, ECO:0000269 PubMed:19589774, ECO:0000269 PubMed:19783390, ECO:0000269 PubMed:20110217, ECO:0000269 PubMed:20431604, ECO:0000269 PubMed:20452746, ECO:0000269 PubMed:20522430, ECO:0000269 PubMed:20729507, ECO:0000269 PubMed:21248271, ECO:0000269 PubMed:21864321, ECO:0000269 PubMed:22092154, ECO:0000269 PubMed:22612257, ECO:0000269 PubMed:23195492}. Note=The disease is caused by mutations affecting the gene represented in this entry.
  • Febrile seizures, familial, 3A (FEB3A) [MIM:604403]: Seizures associated with febrile episodes in childhood without any evidence of intracranial infection or defined pathologic or traumatic cause. It is a common condition, affecting 2-5% of children aged 3 months to 5 years. The majority are simple febrile seizures (generally defined as generalized onset, single seizures with a duration of less than 30 minutes). Complex febrile seizures are characterized by focal onset, duration greater than 30 minutes, and/or more than one seizure in a 24 hour period. The likelihood of developing epilepsy following simple febrile seizures is low. Complex febrile seizures are associated with a moderately increased incidence of epilepsy. {ECO:0000269 PubMed:16326807, ECO:0000269 PubMed:19522081}. Note=The disease is caused by mutations affecting the gene represented in this entry.
  • Generalized epilepsy with febrile seizures plus 2 (GEFS+2) [MIM:604403]: A rare autosomal dominant, familial condition with incomplete penetrance and large intrafamilial variability. Patients display febrile seizures persisting sometimes beyond the age of 6 years and/or a variety of afebrile seizure types. This disease combines febrile seizures, generalized seizures often precipitated by fever at age 6 years or more, and partial seizures, with a variable degree of severity. {ECO:0000269 PubMed:10742094, ECO:0000269 PubMed:11254444, ECO:0000269 PubMed:11254445, ECO:0000269 PubMed:11524484, ECO:0000269 PubMed:11756608, ECO:0000269 PubMed:12535936, ECO:0000269 PubMed:12576172, ECO:0000269 PubMed:12919402, ECO:0000269 PubMed:14672992, ECO:0000269 PubMed:15525788, ECO:0000269 PubMed:15694566, ECO:0000269 PubMed:15715999, ECO:0000269 PubMed:16525050, ECO:0000269 PubMed:17347258, ECO:0000269 PubMed:17507202, ECO:0000269 PubMed:17561957, ECO:0000269 PubMed:17927801, ECO:0000269 PubMed:17928445, ECO:0000269 PubMed:18251839, ECO:0000269 PubMed:18413471, ECO:0000269 PubMed:18566737, ECO:0000269 PubMed:19339291, ECO:0000269 PubMed:19464195, ECO:0000269 PubMed:19522081, ECO:0000269 PubMed:20117752, ECO:0000269 PubMed:20550552, ECO:0000269 PubMed:20600615, ECO:0000269 PubMed:20729507, ECO:0000269 PubMed:21248271, ECO:0000269 PubMed:21864321}. Note=The disease is caused by mutations affecting the gene represented in this entry.
  • Intractable childhood epilepsy with generalized tonic-clonic seizures (ICEGTC) [MIM:607208]: A disorder characterized by generalized tonic-clonic seizures beginning usually in infancy and induced by fever. Seizures are associated with subsequent mental decline, as well as ataxia or hypotonia. ICEGTC is similar to SMEI, except for the absence of myoclonic seizures. {ECO:0000269 PubMed:12566275, ECO:0000269 PubMed:16210358, ECO:0000269 PubMed:17507202, ECO:0000269 PubMed:23195492}. Note=The disease is caused by mutations affecting the gene represented in this entry.
  • Migraine, familial hemiplegic, 3 (FHM3) [MIM:609634]: A subtype of migraine associated with transient blindness in some families. Migraine is a disabling symptom complex of periodic headaches, usually temporal and unilateral. Headaches are often accompanied by irritability, nausea, vomiting and photophobia, preceded by constriction of the cranial arteries. The two major subtypes are common migraine (migraine without aura) and classic migraine (migraine with aura). Classic migraine is characterized by recurrent attacks of reversible neurological symptoms (aura) that precede or accompany the headache. Aura may include a combination of sensory disturbances, such as blurred vision, hallucinations, vertigo, numbness and difficulty in concentrating and speaking. {ECO:0000269 PubMed:16054936, ECO:0000269 PubMed:17397047, ECO:0000269 PubMed:18021921, ECO:0000269 PubMed:19332696}. Note=The disease is caused by mutations affecting the gene represented in this entry.
  • Note=SCN1A mutations may be involved in Panayiotopoulos syndrome, a benign age-related focal seizure disorder occurring in early and mid-childhood. It is characterized by seizures, often prolonged, with predominantly autonomic symptoms, and by an electroencephalogram that shows shifting and/or multiple foci, often with occipital predominance. Autonomic seizures in Panayiotopoulos syndrome consist of episodes of disturbed autonomic function with emesis as the predominant symptom. Cardiorespiratory arrest is exceptional. {ECO:0000269 PubMed:17679682, ECO:0000269 PubMed:19339291, ECO:0000269 PubMed:19522081}.

Relevant External Links for SCN1A

Genetic Association Database (GAD)
SCN1A
Human Genome Epidemiology (HuGE) Navigator
SCN1A
Atlas of Genetics and Cytogenetics in Oncology and Haematology:
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genes like me logo Genes that share disorders with SCN1A: view

No data available for Genatlas for SCN1A Gene

Publications for SCN1A Gene

  1. Spectrum of SCN1A gene mutations associated with Dravet syndrome: analysis of 333 patients. (PMID: 18930999) Depienne C. … LeGuern E. (J. Med. Genet. 2009) 3 4 22 46 64
  2. The spectrum of SCN1A-related infantile epileptic encephalopathies. (PMID: 17347258) Harkin L.A. … Scheffer I.E. (Brain 2007) 3 4 22 46 64
  3. A common polymorphism in the SCN1A gene associates with phenytoin serum levels at maintenance dose. (PMID: 17001291) Tate S.K. … Liou H.H. (Pharmacogenet. Genomics 2006) 3 22 25 46 64
  4. Spectrum of SCN1A mutations in severe myoclonic epilepsy of infancy. (PMID: 12821740) Nabbout R. … Zara F. (Neurology 2003) 3 4 22 46 64
  5. A novel SCN1A mutation associated with generalized epilepsy with febrile seizures plus -- and prevalence of variants in patients with epilepsy. (PMID: 11254445) Escayg A. … Meisler M.H. (Am. J. Hum. Genet. 2001) 3 4 22 46 64

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