PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 102578-6 1978 Placenta alpha-N-acetylglucosaminidase has an apparent molecular weight of 304 000 and contains 23.4% carbohydrate consisting of glucose, galactose, mannose, hexosamines and neuraminic acid. Carbohydrates 102-114 N-acetyl-alpha-glucosaminidase Homo sapiens 9-38