PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19513503-5 2009 Interestingly, it was revealed that treatment with exogenous S100A4 protein reduced transcriptional activity of p53 and abrogated the modification of calcium binding affinity of S100A4 protein. Calcium 150-157 tumor protein p53 Homo sapiens 112-115