PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9076519-2 1997 We now report that the anti-Gal alpha(1,3)Gal antibodies and IB4 lectin also react with peptides encoded by mucin genes (MUC 1, 3, 4)-sequences known to be rich in serine, threonine and proline. Proline 186-193 LOC100508689 Homo sapiens 108-113