About   Help   FAQ
Cacna2d2 Gene Detail
Summary
  • Symbol
    Cacna2d2
  • Name
    calcium channel, voltage-dependent, alpha 2/delta subunit 2
  • Synonyms
    a2d2, nmf299
  • Feature Type
    protein coding gene
  • IDs
    MGI:1929813
    NCBI Gene: 56808
  • Alliance
  • Transcription Start Sites
    5 TSS
  • Candidate for QTL
    3 QTL
Location &
Maps
more
  • Sequence Map
    Chr9:107276948-107406545 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 9, 58.02 cM
  • Mapping Data
    18 experiments
Strain
Comparison
more
  • SNPs within 2kb
    3167 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1929813
protein coding gene Chr9:107276811-107406545 (+)
129S1/SvImJ ENSMUSG00200039706
protein coding gene Chr9:104469784-104599801 (+)
A/J ENSMUSG00195038069
protein coding gene Chr9:103688546-103818572 (+)
AKR/J ENSMUSG00220023537
protein coding gene Chr9:104078426-104208444 (+)
BALB/cJ ENSMUSG00180029495
protein coding gene Chr9:104005003-104135031 (+)
C3H/HeJ ENSMUSG00175038660
protein coding gene Chr9:104347334-104477350 (+)
C57BL/6NJ ENSMUSG00215031330
protein coding gene Chr9:104326744-104456897 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0032643
protein coding gene Chr9:102724308-102855075 (+)
CAST/EiJ ENSTCUG00005024882
protein coding gene Chr9:104099043-104229550 (+)
CBA/J ENSMUSG00210029577
protein coding gene Chr9:104196867-104327037 (+)
DBA/2J ENSMUSG00185032953
protein coding gene Chr9:104361708-104491880 (+)
FVB/NJ ENSMUSG00205042492
protein coding gene Chr9:104358029-104488042 (+)
JF1/MsJ ENSUMUG00000054544
protein coding gene Chr9:104185748-104315982 (+)
LP/J ENSMUSG00230048752
protein coding gene Chr9:104498724-104628741 (+)
NOD/ShiLtJ ENSMUSG00190049220
protein coding gene Chr9:103995217-104125237 (+)
NZO/HlLtJ ENSMUSG00225024379
protein coding gene Chr9:104732839-104862855 (+)
PWK/PhJ ENSLUMG00010029043
protein coding gene Chr9:104144034-104274287 (+)
SPRET/EiJ ENSMSPG00010038852
protein coding gene Chr9:105973408-106104162 (+)
WSB/EiJ ENSIUOG00005039784
protein coding gene Chr9:103441980-103571871 (+)



Homology
more
  • Human Ortholog
    CACNA2D2, calcium voltage-gated channel auxiliary subunit alpha2delta 2
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    CACNA2D2, calcium voltage-gated channel auxiliary subunit alpha2delta 2
  • Synonyms
    CACNA2D, CASVDD
  • Links
    NCBI Gene ID: 9254
    UniProt: Q9NY47

  • Chr Location
    3p21.31; chr3:50362613-50504244 (-)  GRCh38

Human Diseases
more
  • Diseases
    1 with Cacna2d2 mouse models

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

  • Mutations/Alleles
    2 with disease annotations
  • References
    2 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    72 phenotypes from 8 alleles in 10 genetic backgrounds
    46 phenotypes from multigenic genotypes
    1 images
    41 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.
Homozygotes for different mutant alleles show variable movement abnormalities including waddling, reeling or very slow gait, ataxia, and mild spike-wave seizures. While gross CNS abnormalities and demyelination are present in some mutant lines, they are not observed in others.
Gene Ontology
(GO)
Classifications
less
  • 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
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
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 56808 NCBI Gene Model | MGI Sequence Detail 129598 C57BL/6J ±  kb
    transcript NM_001174047 RefSeq | MGI Sequence Detail 5556 C57BL/6  
    polypeptide Q6PHS9 UniProt | EBI | MGI Sequence Detail 1154 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    • UniProt
      5 Sequences
    • Protein Ontology
      PR:000004943 voltage-dependent calcium channel subunit alpha-2/delta-2
    • InterPro Domains
      IPR063621 Cacna2d1-4/CACHD1, cache middle domain
      IPR013680 Voltage-dependent calcium channel, alpha-2/delta subunit, conserved region
      IPR051173 Voltage-dependent calcium channel subunit alpha-2/delta
      IPR036465 von Willebrand factor A-like domain superfamily
      IPR002035 von Willebrand factor, type A
      IPR013608 VWA N-terminal
    • GlyGen
      Q6PHS9 14 sites, 19 N-linked glycans (10 sites), 1 O-linked glycan (1 site)
    Molecular
    Reagents
    less
    • All nucleic 58
      Genomic 7
      cDNA 42
      Primer pair 9
      Antibodies 1

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGD-MRK-14978, MGD-MRK-8913, MGI:94935
    References
    more
    • Summaries
      All 103
      Developmental Gene Expression 20
      Diseases 2
      Gene Ontology 10
      Phenotypes 41
    • Earliest
      J:116 Snell GD, Ducky, a new second chromosome mutation in the mouse. J Hered. 1955;46(1):27-29
    • Latest
      J:376341 Braz JM, et al., Differential contribution of alpha2delta auxiliary subunits of voltage-gated calcium channels in mouse models of pain and itch. PLoS One. 2025;20(12):e0337701

    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)
    Citing These Resources
    Funding Information
    Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
    Send questions and comments to User Support.
    last database update
    09/08/2026
    MGI 6.24
    The Jackson Laboratory