PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15072950-2 2004 We previously showed that the HERG N470D mutation expressed as homotetrameric channels causes a protein trafficking defect, and this can be corrected by the HERG channel blocking drug E-4031. E 4031 184-190 potassium voltage-gated channel subfamily H member 2 Homo sapiens 30-34 15072950-2 2004 We previously showed that the HERG N470D mutation expressed as homotetrameric channels causes a protein trafficking defect, and this can be corrected by the HERG channel blocking drug E-4031. E 4031 184-190 potassium voltage-gated channel subfamily H member 2 Homo sapiens 157-161