PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16365016-1 2005 A mutation in codon 249 of the TP53 gene (249(Ser)), related to aflatoxin B(1) exposure, has previously been associated with hepatocellular carcinoma risk. Aflatoxin B1 64-75 tumor protein p53 Homo sapiens 31-35