PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1541337-3 1992 Another aliquot of gamma II was completely digested by trypsin in a medium of 20% CH3CN and 0.1 M Tris, pH 8.2. acetonitrile 82-87 G protein subunit gamma 7 Bos taurus 19-27