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Scn1b Gene Detail
Summary
  • Symbol
    Scn1b
  • Name
    sodium channel, voltage-gated, type I, beta
  • Feature Type
    protein coding gene
  • IDs
    MGI:98247
    NCBI Gene: 20266
  • Alliance
    genome feature page
  • Transcription Start Sites
    6 TSS
Location &
Maps
more
  • Sequence Map
    Chr7:30815949-30826428 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 7, 19.30 cM
  • Mapping Data
    6 experiments
Strain
Comparison
more
  • SNPs within 2kb
    369 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
    2
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_98247
 protein coding gene Chr7:30815949-30826436 (-)
129S1/SvImJ ENSMUSG00200022122
 protein coding gene Chr7:20585151-20595539 (-)
A/J ENSMUSG00195039140
 protein coding gene Chr7:23261300-23271702 (-)
AKR/J ENSMUSG00220044094
 protein coding gene Chr7:21206062-21216469 (+)
BALB/cJ ENSMUSG00180015079
 protein coding gene Chr7:21320785-21331188 (-)
C3H/HeJ ENSMUSG00175033226
 protein coding gene Chr7:22405123-22415606 (-)
C57BL/6NJ ENSMUSG00215011060
 protein coding gene Chr7:20507293-20517776 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0029562
 protein coding gene Chr7:30319700-30329505 (-)
CAST/EiJ ENSTCUG00005042119
 protein coding gene Chr7:22292577-22303106 (-)
CBA/J ENSMUSG00210024955
 protein coding gene Chr7:21567727-21578212 (-)
DBA/2J ENSMUSG00185049958
 protein coding gene Chr7:24642488-24652948 (-)
FVB/NJ ENSMUSG00205017563
 protein coding gene Chr7:21317207-21327692 (-)
JF1/MsJ ENSUMUG00000037888
 protein coding gene Chr7:29083870-29094364 (-)
LP/J ENSMUSG00230051880
 protein coding gene Chr7:29818587-29828988 (-)
NOD/ShiLtJ ENSMUSG00190007752
 protein coding gene Chr7:20985590-20995989 (-)
NZO/HlLtJ ENSMUSG00225024285
 protein coding gene Chr7:28648997-28659492 (-)
PWK/PhJ ENSLUMG00010020529
 protein coding gene Chr7:21016811-21027267 (-)
SPRET/EiJ ENSMSPG00010005122
 protein coding gene Chr7:20387642-20397928 (-)
WSB/EiJ ENSIUOG00005053236
 protein coding gene Chr7:15263052-15273436 (-)



Homology
more
  • Human Ortholog
    SCN1B, sodium voltage-gated channel beta subunit 1
  • Vertebrate Orthologs
    5
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    SCN1B, sodium voltage-gated channel beta subunit 1
  • Synonyms
    ATFB13, BRGDA5, DEE52, EIEE52, GEFSP1
  • Links
    NCBI Gene ID: 6324
    UniProt: Q07699

  • Chr Location
    19q13.11; chr19:35030447-35040455 (+)  GRCh38
Human Diseases
more
  • Diseases
    1 with Scn1b mouse models; 4 with human SCN1B associations

Human Disease Mouse Models
      
IDs
 View 1 model
      
IDs
IDs
IDs
IDs
Click on a disease name to see all genes associated with that disease.

  • Mutations/Alleles
    1 with disease annotations
  • References
    1 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    17 phenotypes from 5 alleles in 3 genetic backgrounds
    1 phenotype from multigenic genotypes
    33 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Homozygous inactivation of this locus results in defects in neuronal excitability, and nodal architecture. Homozygous null mice are growth retarded, exhibit spontaneous generalized seizuress, and die prior to weaning.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    80
  • GO References
    15
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
    663
  • Tissues
    39
  • cDNA Data
    24
  • Literature Summary
    11
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000019194 Ensembl Gene Model | MGI Sequence Detail 10480 C57BL/6J ±  kb
    transcript ENSMUST00000211945 Ensembl | MGI Sequence Detail 1501 Not Applicable  
    polypeptide ENSMUSP00000148295 Ensembl | MGI Sequence Detail 218 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 32
      Genomic 2
      cDNA 26
      Primer pair 3
      Other 1
      Antibodies 1

      Microarray probesets 4
    Other
    Accession IDs
    less
    MGD-MRK-14320
    References
    more
    • Summaries
      All 80
      Developmental Gene Expression 11
      Diseases 1
      Gene Ontology 15
      Phenotypes 33
    • Earliest
      J:15251 Tong J, et al., A single B1 subunit mapped to mouse chromosome 7 may be a common component of Na channel isoforms from brain, skeletal muscle and heart. Biochem Biophys Res Commun. 1993 Sep 15;195(2):679-85
    • Latest
      J:378201 Guillen FI, et al., A Novel Mouse Model for Developmental and Epileptic Encephalopathy by Purkinje Cell-Specific Deletion of Scn1b. J Neurosci. 2025 Dec 10;45(50)
    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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    Funding Information
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    Send questions and comments to User Support.     		last database update
    09/15/2026
    MGI 6.29     		The Jackson Laboratory