sequence of Nav1.2 SCN2A_HUMAN BFIC3 EIEE11 HBA HBSC II HBSCI HBSCII IMR:0701737 NAC2 Na(v)1.2 Nav1.2 SCN2A SCN2A1 SCN2A1, FORMERLY SCN2A2 SODIUM CHANNEL, BRAIN TYPE II, ALPHA SUBUNIT SODIUM CHANNEL, NEURONAL TYPE II, ALPHA SUBUNIT-1, FORMERLY Sodium channel protein brain II subunit alpha Sodium channel protein type 2 subunit alpha Sodium channel protein type II subunit alpha UniProt:Q99250 Voltage-gated sodium channel subunit alpha Nav1.2 molecule_role sodium channel, voltage-gated, type II, alpha subunit