PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15467397-2 2004 Le(X) is carried by branched, high-molecular weight poly-N-acetyllactosamines (embryoglycan). poly-N-acetyllactosamine 52-77 fucosyltransferase 4 Homo sapiens 0-5 9405606-2 1997 Poly-N-acetyllactosamines are also modified by various carbohydrate residues, forming functional oligosaccharides such as sialyl Lex. poly-N-acetyllactosamine 0-25 fucosyltransferase 4 Homo sapiens 129-132