PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6140951-1 1983 The amphipathic form of gamma-glutamyltranspeptidase was labeled either by reductive methylation of primary amino groups or by galactose oxidase/NaB3H4 labeling of galactose residues. nab3h4 145-151 inactive glutathione hydrolase 2 Homo sapiens 24-52