| Field | Specification |
|---|---|
| Mfr No | |
| Accession Number | |
| Alternative Names | NaVbeta3, SCN3B, Scn3b, Sodium channel subunit beta-3, KIAA1158 |
| Cellular Localization | |
| Clonality | |
| Concentration | |
| Host | |
| Immunogen | Fusion protein amino acids 1-215 (full-length) of rat NavBeta3 |
| Isotype | |
| Product Type | |
| Reactivity | |
| Shipping | |
| Storage | |
| Target |
NaVβ3 (encoded by SCN3B) is a regulatory subunit of voltage-gated sodium channels that modulates channel gating kinetics and neuronal excitability. Unlike other β subunits, NaVβ3 slows inactivation and promotes persistent sodium currents, which enhance synaptic input summation and increase neuronal responsiveness. This property may contribute to hyperexcitability in specific neuronal populations, a feature observed in epilepsy and neurodegenerative disorders.
NaVβ3 also interacts with neurofascin, facilitating the localization and retention of sodium channels at the nodes of Ranvier in developing and mature myelinated axons. This interaction is essential for saltatory conduction and efficient neural signaling. Disruption of SCN3B has been linked to Brugada syndrome, highlighting its role in excitable tissue function.
In the context of neurodegeneration, altered NaVβ3 expression or function may contribute to impaired action potential propagation, synaptic dysfunction, and neuronal vulnerability. Its role in modulating persistent sodium currents suggests a potential link to excitotoxicity and calcium overload, both of which are implicated in diseases such as ALS and Alzheimer’s disease. NaVβ3 thus represents a promising target for understanding and modulating neuronal excitability in neurodegenerative conditions.
A 1:100 dilution of SMC-490 was sufficient for detection of NavBeta3 in 20 µg of mouse brain lysate by ECL immunoblot analysis using Goat anti-mouse IgG:HRP as the secondary antibody.
Cite this product varies by variant:
- SMC-490D — Size: 100 ug: Nav beta 3 Antibody (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D, RRID: AB_2702531)
- SMC-490D-A390 — Size: 100 ug: Nav beta 3 Antibody: ATTO 390 (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-A390, RRID: AB_2702532)
- SMC-490D-A488 — Size: 100 ug: Nav beta 3 Antibody: ATTO 488 (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-A488, RRID: AB_2702533)
- SMC-490D-A594 — Size: 100 ug: Nav beta 3 Antibody: ATTO 594 (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-A594, RRID: AB_2702535)
- SMC-490D-APC — Size: 100 ug: Nav beta 3 Antibody: APC (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-APC, RRID: AB_2702541)
- SMC-490D-BI — Size: 100 ug: Nav beta 3 Antibody: Biotin (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-BI, RRID: AB_2702542)
- SMC-490D-FITC — Size: 100 ug: Nav beta 3 Antibody: FITC (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-FITC, RRID: AB_2702543)
- SMC-490D-HRP — Size: 100 ug: Nav beta 3 Antibody: HRP (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-HRP, RRID: AB_2702544)
- SMC-490D-PCP — Size: 100 ug: Nav beta 3 Antibody: PerCP (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-PCP, RRID: AB_2702546)
- SMC-490D-RPE — Size: 100 ug: Nav beta 3 Antibody: RPE (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490D-RPE, RRID: AB_2702547)
- SMC-490S — Size: 12 ug: Nav beta 3 Antibody (StressMarq Biosciences | Victoria, BC CANADA, Catalog# SMC-490S, RRID: AB_2702531)
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
2. Qu Y., et al. (2001) Mol Cell Neurosci. 18(5): 570-580.
3. Ishikawa T., et al. (2013) Circ J. 77(4): 956-967.