PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 391169-2 1979 3.2.1.20) from human seminal plasma, we have shown by ion exchange chromatography, Sephadex G-200 filtration, and adsorption chromatography that this alpha-glucosidase activity corresponded to two isoenzymes having the same ability to hydrolyse p-nitrophenyl-alpha-D-glucopyranoside. Glucose 265-282 sucrase-isomaltase Homo sapiens 150-167