PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18783790-5 2008 This calcium-dependent conformational change opens up a hydrophobic binding pocket that is capable of binding to target proteins such as annexin A2, the tumor-suppressor protein p53 and myosin IIA. Calcium 5-12 tumor protein p53 Homo sapiens 178-181