PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16755-2 1977 After incubation in gastric juice at pH 1,2, and 3, the activity half life of each glycoside was proportional to pH and was approximately 0.25 h, 2.5 h, and 25 h, respectively. Glycosides 83-92 alanine--glyoxylate and serine--pyruvate aminotransferase Homo sapiens 37-50