PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15955112-0 2005 SCN9A mutations define primary erythermalgia as a neuropathic disorder of voltage gated sodium channels. Sodium 88-94 sodium voltage-gated channel alpha subunit 9 Homo sapiens 0-5 15955112-3 2005 Recently, Yang et al identified two missense mutations of the sodium channel alpha subunit SCN9A in patients with erythermalgia. Sodium 62-68 sodium voltage-gated channel alpha subunit 9 Homo sapiens 91-96