PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14637132-4 2003 Rat MGST3 fails to convert leukotriene A(4) into leukotriene C(4), which in turn challenges the proposed catalytic role of a conserved Arg and Tyr residue for the leukotriene C(4) synthase reaction. Leukotriene A4 27-40 microsomal glutathione S-transferase 3 Rattus norvegicus 4-9