voltage-gated potassium channel Erg alpha subunit voltage-gated potassium channel KCNH2 PR:000000791 KCNH2 ERG1 ERG IUPHARobj:572 protein ether-a-go-go-related protein 1 A voltage-gated potassium channel Erg alpha subunit that is a translation product of the human KCNH2 gene or a 1:1 ortholog thereof. HERG ERG-1 Category=gene. Eag homolog voltage-gated potassium channel subunit Kv11.1 KHCN2 Eag-related protein 1 ether-a-go-go-related gene potassium channel 1