PR:Q12809-5 hKCNH2/iso:A-USO voltage-gated inwardly rectifying potassium channel KCNH2 isoform A-USO (human) hKCNH2/iso:A-USO PR:000000001 NCBITaxon:9606 HGNC:6251 PR:Q12809 UniProtKB:Q12809-5