PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8909998-5	1996	The decrease in mucin sialylation was achieved through the in situ beta-galactosylation of GalNAc alpha-O-benzyl into Gal beta 1-3GalNAc alpha-O-benzyl, which acts as a competitive substrate of Gal beta 1-3GalNAc alpha 2,3-sialyltransferase, as shown by the intracellular accumulation of NeuAc alpha 2-3Gal beta 1-3GalNAc alpha-O-benzyl in treated cells.	N-acetylgalactosaminuronic acid	91-97	ST3 beta-galactoside alpha-2,3-sialyltransferase 1	Homo sapiens	194-240