Fusion protein amino acids 1724-1956 (cytoplasmic C-terminus) of rat Nav1.8 (also known as Sodium channel protein type 10 or X subunit alpha, Voltage-gated sodium channel subunit
alpha Nav1.8, Peripheral nerve sodium channel 3, PN3 or Sensory neuron sodium channel, accession number Q62968) Mouse: 93% identity (220/235 amino acids identical) Human: 85% identity (200/234 amino acids identical) >50% identity with Nav1.7 and Nav1.5