Voltage-gated Sodium (NaV) Channels
Voltage-gated sodium channels (NaV) are responsible for action potential initiation and propagation in excitable cells, including nerve, muscle, and neuroendocrine cell types. They are also expressed at low levels in non-excitable cells, where their physiological role is unclear.
Voltage-gated Sodium (NaV) Channel Activators |
|
|---|---|
| Cat. No. | Product Name / Activity |
| 5941 | OD1 |
| Potent hNav1.4, rNav1.6 and rNav1.7 channel activator | |
| 2918 | Veratridine |
| Voltage-gated Na+ channel opener | |
Voltage-gated Sodium (NaV) Channel Blockers |
|
| Cat. No. | Product Name / Activity |
| 2976 | A 803467 |
| Selective NaV1.8 channel blocker | |
| 4249 | A 887826 |
| Potent voltage-dependent NaV1.8 channel blocker | |
| 0890 | Amiloride hydrochloride |
| Na+ channel blocker; also I2 imidazoline ligand | |
| 6159 | 4,9-Anhydrotetrodotoxin |
| Potent and selective Nav1.6 channel blocker | |
| 4804 | APETx2 |
| NaV1.8 and NaV1.2 blocker; also blocks ASIC3 channels | |
| 4098 | Carbamazepine |
| Inhibitor of neuronal NaV channels; anticonvulsant | |
| 1470 | Flecainide acetate |
| Cardiac Na+ channel blocker. Antiarrhythmic | |
| 7029 | GX 201 |
| Potent and selective Nav1.7 blocker; analgesic | |
| 5066 | ICA 121431 |
| Potent and selective NaV1.3 and NaV1.1 channel blocker | |
| 4913 | Jingzhaotoxin III |
| Selective NaV1.5 channel blocker | |
| 3865 | Licarbazepine |
| Active metabolite of oxcarbazepine (Cat. No. 3864) | |
| 3057 | Lidocaine |
| Na+ channel blocker | |
| 2596 | Mexiletine hydrochloride |
| Na+ channel blocker; antiarrhythmic agent | |
| 4691 | NAV 26 |
| Selective Nav1.7 channel blocker | |
| 5927 | NS 383 |
| ASIC blocker; active in vivo | |
| 3864 | Oxcarbazepine |
| Anticonvulsant; inhibits Na+ channel activity | |
| 4916 | PF 04885614 |
| Potent and selective NaV1.8 channel blocker; active in vivo | |
| 5931 | PF 05089771 |
| Potent and selective Nav1.7 channel blocker | |
| 4914 | Phrixotoxin 3 |
| Potent blocker of NaV1.2, NaV1.3 and NaV1.5 channels | |
| 4023 | ProTx II |
| Selective NaV1.7 channel blocker | |
| 1014 | QX 314 bromide |
| Na+ channel blocker | |
| 2313 | QX 314 chloride |
| Na+ channel blocker | |
| 0768 | Riluzole hydrochloride |
| Na+ channel blocker; also inhibits GABA uptake and glutamate release | |
| 4044 | Sipatrigine |
| NaV blocker; neuroprotective | |
| 4435 | TC-N 1752 |
| NaV channel blocker | |
| 1078 | Tetrodotoxin |
| Na+ channel blocker | |
| 1069 | Tetrodotoxin citrate |
| Na+ channel blocker; citrate salt of tetrodotoxin (Cat. No. 1078) | |
| 2815 | Valproic acid, sodium salt |
| Blocks voltage-gated Na+ channels | |
Other |
|
| Cat. No. | Product Name / Activity |
| 5470 | QAQ dichloride |
| Photoswitchable Nav, Kv and Cav channel blocker | |
| 3828 | Rufinamide |
| Prolongs inactivation of sodium channels; anticonvulsant | |
| 6179 | UK 59811 hydrochloride |
| CaVAb blocker | |
Voltage-gated sodium channels (NaV) are responsible for action potential initiation and propagation in excitable cells, including nerve, muscle, and neuroendocrine cell types. They are also expressed at low levels in non-excitable cells, where their physiological role is unclear.
Structurally, NaV channels are composed of one pore-forming α-subunit, which may be associated with either one or more β-subunits. α-subunits are composed for four homologous domains, each of which contains six transmembrane segments. The fourth transmembrane loop (S4) acts as the 'voltage sensor' and is activated by changes in membrane potential. S4 is also involved in channel gating.
External sources of pharmacological information for Voltage-gated Sodium (NaV) Channels :
Literature for Voltage-gated Sodium (NaV) Channels
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Voltage-gated Sodium Channel Gene Data
| Gene | Species | Gene Symbol | Gene Accession No. | Protein Accession No. |
|---|---|---|---|---|
| NaV1.1 | Human | SCN1A | NM_006920 | P35498 |
| Mouse | Scn1a | NM_018733 | NP_061203 | |
| Rat | Scn1a | NM_030875 | P04774 | |
| NaV1.2 | Human | SCN2A | NM_021007 | Q99250 |
| Mouse | Scn2a1 | NM_001099298 | NP_001092768 | |
| Rat | Scn2a1 | NM_012647 | P04775 | |
| NaV1.3 | Human | SCN3A | NM_006922 | Q9NY46 |
| Mouse | Scn3a | NM_018732 | NP_061202 | |
| Rat | Scn3a | NM_013119 | P08104 | |
| NaV1.4 | Human | SCN4A | NM_000334 | P35499 |
| Mouse | Scn4a | NM_133199 | NP_573462 | |
| Rat | Scn4a | NM_013178 | P15390 | |
| NaV1.5 | Human | SCN5A | NM_198056 | Q14524 |
| Mouse | Scn5a | NM_021544 | NP_067519 | |
| Rat | Scn5a | NM_013125 | P15389 | |
| NaV1.6 | Human | SCN8A | NM_014191 | Q9UQD0 |
| Mouse | Scn8a | NM_001077499 | Q9WTU3 | |
| Rat | Scn8a | NM_019266 | O88420 | |
| NaV1.7 | Human | SCN9A | NM_002977 | Q15858 |
| Mouse | Scn9a | NM_018852 | Q62205 | |
| Rat | Scn9a | NM_133289 | O08562 | |
| NaV1.8 | Human | SCN10A | NM_006514 | Q9Y5Y9 |
| Mouse | Scn10a | NM_009134 | Q6QIY3 | |
| Rat | Scn10a | NM_017247 | Q62968 | |
| NaV1.9 | Human | SCN11A | NM_014139 | Q9UI33 |
| Mouse | Scn11a | NM_011887 | Q9R053 | |
| Rat | Scn11a | NM_019265 | O88457 | |
| β1 | Human | SCN1B | NM_001037 | Q07699 |
| Mouse | Scn1b | NM_011322 | P97952 | |
| Rat | Scn1b | NM_017288 | Q00954 | |
| β2 | Human | SCN2B | NM_004588 | O60939 |
| Mouse | Scn2b | NM_001014761 | Q56A07 | |
| Rat | Scn2b | NM_012877 | P54900 | |
| β3 | Human | SCN3B | NM_018400 | Q9NY72 |
| Mouse | Scn3b | NM_153522 | Q8BHK2 | |
| Rat | Scn3b | NM_139097 | Q9JK00 | |
| β4 | Human | SCN4B | NM_174934 | Q8IWT1 |
| Mouse | Scn4b | NM_001013390 | Q7M729 | |
| Rat | Scn4b | NM_001008880 | Q7M730 |
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