• Target：
• Cav2.2

• Fields：
• >>MAPK signaling pathway;>>Calcium signaling pathway;>>Synaptic vesicle cycle;>>Retrograde endocannabinoid signaling;>>Cholinergic synapse;>>Serotonergic synapse;>>GABAergic synapse;>>Dopaminergic synapse;>>Type II diabetes mellitus;>>Huntington disease;>>Prion disease;>>Pathways of neurodegeneration - multiple diseases;>>Morphine addiction;>>Nicotine addiction;>>Chemical carcinogenesis - receptor activation

• Gene Name：
• CACNA1B

• Protein Name：
• Voltage-dependent N-type calcium channel subunit alpha-1B (Brain calcium channel III) (BIII) (Calcium channel, L type, alpha-1 polypeptide isoform 5) (Voltage-gated calcium channel subunit alpha Cav2.

• Human Gene Id：
• 774

• Human Swiss Prot No：
• Q00975

• Mouse Swiss Prot No：
• O55017

• Rat Swiss Prot No：
• Q02294

• Immunogen：
• Synthetic Peptide of Cav2.2 AA range: 230-310

• Specificity：
• Cav2.2 protein(A205) detects endogenous levels of Cav2.2

• Formulation：
• Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.

• Source：
• Polyclonal, Rabbit,IgG

• Dilution：
• IHC 1:50-100. IF 1:50-200

• Purification：
• The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.

• Concentration：
• 1 mg/ml

• Storage Stability：
• -15°C to -25°C/1 year(Do not lower than -25°C)

• Other Name：
• Voltage-dependent N-type calcium channel subunit alpha-1B (Brain calcium channel III;BIII;Calcium channel, L type, alpha-1 polypeptide isoform 5;Voltage-gated calcium channel subunit alpha Cav2.2)

• Observed Band(KD)：
• 263kD

• Background：
• calcium voltage-gated channel subunit alpha1 B(CACNA1B) Homo sapiens The protein encoded by this gene is the pore-forming subunit of an N-type voltage-dependent calcium channel, which controls neurotransmitter release from neurons. The encoded protein forms a complex with alpha-2, beta, and delta subunits to form the high-voltage activated channel. This channel is sensitive to omega-conotoxin-GVIA and omega-agatoxin-IIIA but insensitive to dihydropyridines. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2011],

• Function：
• domain:Each of the four internal repeats contains five hydrophobic transmembrane segments (S1, S2, S3, S5, S6) and one positively charged transmembrane segment (S4). S4 segments probably represent the voltage-sensor and are characterized by a series of positively charged amino acids at every third position.,function:Voltage-sensitive calcium channels (VSCC) mediate the entry of calcium ions into excitable cells and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, gene expression, cell motility, cell division and cell death. The isoform alpha-1B gives rise to N-type calcium currents. N-type calcium channels belong to the 'high-voltage activated' (HVA) group and are blocked by omega-conotoxin-GVIA (omega-CTx-GVIA) and by omega-agatoxin-IIIA (omega-Aga-IIIA). They are however insensitive to dihydropyridines (DH

• Subcellular Location：
• Membrane ; Multi-pass membrane protein .

• Expression：
• Isoform Alpha-1b-1 and isoform Alpha-1b-2 are expressed in the central nervous system, but not in skeletal muscle or aorta. Expressed in the cerebral white matter, cortex, hippocampus, basal ganglia, and cerebellum (PubMed:30982612).

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