FEATURES

FAMILY

DESCRIPTION

Also known as SCN2A_HUMAN, SCN2A, NAC2, SCN2A1, SCN2A2. Mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient (PubMed:1325650, PubMed:17021166, PubMed:28256214, PubMed:29844171). Implicated in the regulation of hippocampal replay occurring within sharp wave ripples (SPW-R) important for memory (By similarity). Heterooligomer of a large alpha subunit and a smaller beta subunit. Heterooligomer with SCN2B or SCN4B; disulfide-linked. Heterooligomer with SCN1B or SCN3B; non-covalently linked. Interacts with NEDD4L. Interacts with CALM. Interacts with the conotoxin GVIIJ (PubMed:24497506). Interacts with the spider beta/delta-theraphotoxin-Pre1a (PubMed:28428547). Interacts with the conotoxin KIIIA (PubMed:30765605). Interacts with the spider protoxin-II (PubMed:26894959).

EXTERNAL LINKS

SCN2A

Sodium channel protein type 2 subunit alpha

SCN2A

Molecular Synopsis