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Cacnb2 Gene Detail
Summary
  • Symbol
    Cacnb2
  • Name
    calcium channel, voltage-dependent, beta 2 subunit
  • Synonyms
    Cavbeta2, Cchb2
  • Feature Type
    protein coding gene
  • IDs
    MGI:894644
    NCBI Gene: 12296
  • Alliance
  • Transcription Start Sites
    21 TSS
Location &
Maps
more
  • Sequence Map
    Chr2:14607899-14992719 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 2, 10.70 cM
  • Mapping Data
    13 experiments
Strain
Comparison
more
  • SNPs within 2kb
    10608 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_894644
protein coding gene Chr2:14607899-14993622 (+)
129S1/SvImJ ENSMUSG00200040877
protein coding gene Chr2:11539233-11924150 (+)
A/J ENSMUSG00195017217
protein coding gene Chr2:11631179-12016150 (+)
AKR/J ENSMUSG00220013102
protein coding gene Chr2:11601493-11986662 (+)
BALB/cJ ENSMUSG00180034098
protein coding gene Chr2:11680719-12065672 (+)
C3H/HeJ ENSMUSG00175020819
protein coding gene Chr2:11620257-12015042 (+)
C57BL/6NJ ENSMUSG00215029529
protein coding gene Chr2:11695102-12080038 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0023194
protein coding gene Chr2:11198549-11584507 (+)
CAST/EiJ ENSTCUG00005003932
protein coding gene Chr2:11479024-11867699 (+)
CBA/J ENSMUSG00210003445
protein coding gene Chr2:11660944-12045820 (+)
DBA/2J ENSMUSG00185038150
protein coding gene Chr2:11575863-11960769 (+)
FVB/NJ ENSMUSG00205010796
protein coding gene Chr2:11549282-11933831 (+)
JF1/MsJ ENSUMUG00000002268
protein coding gene Chr2:11560945-11942526 (+)
LP/J ENSMUSG00230017280
protein coding gene Chr2:13517825-13902702 (+)
NOD/ShiLtJ ENSMUSG00190013651
protein coding gene Chr2:11645275-12030175 (+)
NZO/HlLtJ ENSMUSG00225001427
protein coding gene Chr2:21267914-21653603 (+)
PWK/PhJ ENSLUMG00010030067
protein coding gene Chr2:11622525-12004300 (+)
SPRET/EiJ ENSMSPG00010015220
protein coding gene Chr2:11877092-12278985 (+)
WSB/EiJ ENSIUOG00005014728
protein coding gene Chr2:11706559-12090997 (+)



Homology
more
  • Human Ortholog
    CACNB2, calcium voltage-gated channel auxiliary subunit beta 2
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    CACNB2, calcium voltage-gated channel auxiliary subunit beta 2
  • Synonyms
    CAB2, CACNLB2, CAVB2, MYSB
  • Links
    NCBI Gene ID: 783
    UniProt: Q08289

  • Chr Location
    10p12.33-p12.31; chr10:18140424-18543557 (+)  GRCh38

Human Diseases
more
  • Diseases
    3 with human CACNB2 associations

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

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    10 phenotypes from 4 alleles in 4 genetic backgrounds
    26 phenotypes from multigenic genotypes
    19 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.
Mice homozygous for a null allele exhibit lethality at E10.5 with growth retardation, abnormal yolk vasculature and abnormal cardiac development and function.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
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
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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
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
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    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000057914 Ensembl Gene Model | MGI Sequence Detail 384821 C57BL/6J ±  kb
    transcript ENSMUST00000114723 Ensembl | MGI Sequence Detail 3945 Not Applicable  
    polypeptide ENSMUSP00000110371 Ensembl | MGI Sequence Detail 655 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    • UniProt
      11 Sequences
    • Protein Ontology
      PR:000004947 voltage-dependent L-type calcium channel subunit beta-2
    • InterPro Domains
      IPR035605 CACNB2, SH3 domain
      IPR008145 Guanylate kinase/L-type calcium channel beta subunit
      IPR027417 P-loop containing nucleoside triphosphate hydrolase
      IPR001452 SH3 domain
      IPR036028 SH3-like domain superfamily
      IPR005444 Voltage-dependent calcium channel, L-type, beta-2 subunit
      IPR000584 Voltage-dependent calcium channel, L-type, beta subunit
      IPR046937 Voltage-dependent L-type calcium channel subunit beta-1-4, N-terminal A domain
    • GlyGen
      Q8CC27 1 site, 1 N-linked glycan (1 site)
    Molecular
    Reagents
    less
    • All nucleic 32
      cDNA 25
      Primer pair 6
      Other 1
      Antibodies 3

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGD-MRK-24068, MGI:103200, MGI:2139283, MGI:3583767
    References
    more
    • Summaries
      All 90
      Developmental Gene Expression 15
      Gene Ontology 18
      Phenotypes 19
    • Earliest
      J:25718 Massa E, et al., Comparison of fura-2 imaging and electrophysiological analysis of murine calcium channel alpha 1 subunits coexpressed with novel beta 2 subunit isoforms. Mol Pharmacol. 1995 Apr;47(4):707-16
    • Latest
      J:345621 Adams DJ, et al., Genetic determinants of micronucleus formation in vivo. Nature. 2024 Mar;627(8002):130-136

    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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    last database update
    09/01/2026
    MGI 6.24
    The Jackson Laboratory