PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1793807-2 1991 cDNAs encoding CYP1A2, CYP2A6, and microsomal epoxide hydrolase (mEH) were introduced by using a vector conferring hygromycin B resistance, and cDNAs encoding CYP2E1 and CYP3A4 were introduced by using a vector conferring resistance to 1-histidinol. Hygromycin B 115-127 epoxide hydrolase 1 Homo sapiens 35-63