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- Table of Contents
Facts about Sodium channel protein type 9 subunit alpha.
It is a tetrodotoxin-sensitive Na(+) channel isoform (PubMed:7720699). Plays a role in pain mechanisms, especially in the development of inflammatory pain (PubMed:17167479, PubMed:17145499, PubMed:19369487, PubMed:24311784).
Human | |
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Gene Name: | SCN9A |
Uniprot: | Q15858 |
Entrez: | 6335 |
Belongs to: |
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sodium channel (TC 1.A.1.10) family |
ETHA; FEB3B; NE-NA; NENAVoltage-gated sodium channel subunit alpha Nav1.7; Neuroendocrine sodium channel; Peripheral sodium channel 1; PN1hNE-Na; sodium channel protein type 9 subunit alpha; Sodium channel protein type IX subunit alpha; sodium channel, voltage-gated, type IX, alpha subunit; voltage-gated sodium channel alpha subunit Nav1.7; voltage-gated, type IX, alpha polypeptide
Mass (kDA):
226.372 kDA
Human | |
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Location: | 2q24.3 |
Sequence: | 2; NC_000002.12 (166195185..166375987, complement) |
Expressed strongly in dorsal root ganglion, with only minor levels elsewhere in the body, smooth muscle cells, MTC cell line and C-cell carcinoma. Isoform 1 is expressed preferentially in the central and peripheral nervous system. Isoform 2 is expressed preferentially in the dorsal root ganglion.
Cell membrane; Multi-pass membrane protein. Cell projection, neuron projection. In neurite terminals.
PMID: 7720699 by Klugbauer N., et al. Structure and functional expression of a new member of the tetrodotoxin-sensitive voltage-activated sodium channel family from human neuroendocrine cells.
PMID: 17167479 by Cox J.J., et al. An SCN9A channelopathy causes congenital inability to experience pain.