PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6115721-5 1981 Evidence for activation of the gamma-glutamyl derivative of an alkylating mustard analogue of p-phenylene diamine by the GGT positive cells is presented. 4-phenylenediamine 94-113 gamma-glutamyltransferase 1 Rattus norvegicus 121-124