PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 469042-7 1979 Human kappa-casein contains 3 times more carbohydrate than bovine kappa-casein with 2 additional sugars, GlcNAc and Fuc. 2-acetamido-2-deoxy-4-O-(beta-2-acetamid-2-deoxyglucopyranosyl)glucopyranose 105-111 casein kappa Bos taurus 6-18