PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11680873-3 2001 Glycophorin A which is the major carrier of erythrocyte sialic acid, was deficient in N-acetylgalactosamine, and sialic acid residues. N-Acetylneuraminic Acid 56-67 glycophorin A (MNS blood group) Homo sapiens 0-13 11680873-3 2001 Glycophorin A which is the major carrier of erythrocyte sialic acid, was deficient in N-acetylgalactosamine, and sialic acid residues. N-Acetylneuraminic Acid 113-124 glycophorin A (MNS blood group) Homo sapiens 0-13