Pharmacology
All Targets
7-TM Receptors
Ion Channels
Nuclear Receptors
Enzyme-Linked Receptors
Transporters
Enzymes
Other Pharmacology
Cellular Processes
Angiogenesis
Apoptosis
Cell Cycle
Cell Metabolism
Cytoskeleton & Motor Proteins
ECM & Adhesion Molecules
Signal Transduction
Stem Cells
Signaling Pathways
Product Type
All Products
New Products
Small Molecules
Peptides
Controlled Substances
Toxins
Caged Compounds
Fluorescent Probes
Screening Libraries
Ligand Sets
Other Product Types
Research Area
Cancer
Cardiovascular System
Endocrinology
Immunology
Neuroscience
Pain & Inflammation
Respiratory System
Properties of Voltage-Gated Sodium Channels
| Location | Subtype | TTX Sensitive? | Conductance (pS) |
|---|
| Brain | I, II, IIA, III, VI | Yes | 2.5-25 |
| Skeletal muscle | μ1 | Yes | 2.5-25 |
| Sympathetic ganglia | PN1 | Yes | 6.3-10.7 |
| Heart | h1 | No (IC50 6 μM) | 2.5-25 |
| Dorsal root ganglia | PN3/SNS | No (IC50 ~ 60 μM) | 3.4-6.3 |
References
Catterall (1992) Cellular and molecular biology of voltage-gated sodium channels. Physiol.Rev. 72 S15. Gordon (1997) Sodium channels as targets for neurotoxins. Mode of action and interaction of neurotoxins with receptor sites on sodium channels. Toxins and Signal Transduction. Eds. Gutman and Lazarovici, pp119-153, Harwood Academic Publishers.

