Cacna1b Gene Summary [Mouse]

Enables high voltage-gated calcium channel activity. Acts upstream of or within several processes, including calcium ion transmembrane transport; neurotransmitter secretion; and response to pain. Located in dendrite; membrane; and neuronal cell body. Part of voltage-gated calcium channel complex. Is active in presynaptic active zone. Is expressed in several structures, including adrenal gland; alimentary system; brain; genitourinary system; and retina. Human ortholog(s) of this gene implicated in Lambert-Eaton myasthenic syndrome. Orthologous to human CACNA1B (calcium voltage-gated channel subunit alpha1 B). [provided by Alliance of Genome Resources, Jul 2025]

Details

Type
Protein Coding
Official Symbol
Cacna1b
Official Name
calcium channel, voltage-dependent, N type, alpha 1B subunit [Source:MGI Symbol;Acc:MGI:88296]
Ensembl ID
ENSMUSG00000004113
Bio databases IDs NCBI: 12287 Ensembl: ENSMUSG00000004113
Aliases calcium channel, voltage-dependent, N type, alpha 1B subunit
Synonyms alpha(1B), BIII, CACNL1A5, CACNN, calcium channel, voltage-dependent, N type, alpha 1B subunit, calcium channel, voltage-dependent, N type, α 1B subunit, calcium voltage-gated channel subunit alpha1 B, Cav2.2, Cchn1a, DYT23, LOC101060829, LOC102553311, NEDNEH, N-type CALCIUM CHANNEL alpha1B, Vdcc α 1b, α(1B)
Species
Mouse, Mus musculus
OrthologiesHumanRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in mouse Cacna1b often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • Voltage-dependent L-type calcium channel, IQ-associated
  • synprint domain
  • Ion transport protein
  • high voltage-gated calcium channel
  • protein phosphatase binding
  • protein binding
  • ion channel
  • voltage-gated calcium channel
  • Voltage gated calcium channel IQ domain
  • ankyrin binding domain
  • PDZ binding motif
  • Polycystin cation channel
  • DII/III loop domain

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • non-insulin-dependent diabetes mellitus
  • pain
  • postoperative pain
  • dementia
  • chronic pain
  • rotator cuff tear
  • morbid obesity
  • acute pain
  • mucositis
  • postoperative nausea and vomiting
regulated by
  • D-glucose
  • hydrogen peroxide
  • PKG
  • SNCA
  • n-nitrosomethylbenzylamine
  • CACNA2D
  • Omega conotoxin cvid
  • pidnarulex
  • HTT
  • RBFOX2
regulates
role in cell
  • expression in
  • quantity
  • migration
  • phosphorylation in
  • formation
  • invasion by
  • transmission
  • formation in
  • neurotransmission
  • activity

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Plasma Membrane
  • membrane fraction
  • glutaminergic synapse
  • cell surface
  • apical compartment
  • cellular membrane
  • flagella
  • basolateral membrane
  • sperm head
  • neuromuscular junctions
  • neurites
  • nerve ending
  • synaptosomes
  • synapse
  • perikaryon
  • axons
  • dendrites
  • axon terminals
  • presynaptic terminals
  • dendritic shafts

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the mouse Cacna1b gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • regulation of synaptic transmission
  • synaptic transmission

Cellular Component

Where in the cell the gene product is active
  • voltage-gated calcium channel complex
  • synapse
  • neuronal cell body
  • plasma membrane

Molecular Function

What the gene product does at the molecular level
  • ATP binding
  • protein binding
  • high voltage-gated calcium channel activity
  • calcium ion binding
  • voltage-gated calcium channel activity
  • beta-amyloid binding

Gene-Specific Assays for Results You Can Trust

Streamline your workflow with assays designed for this gene. Our targeted dPCR and qPCR assays help you generate meaningful data – efficiently and accurately.