PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26077760-2 2015 Following translocation into cultured cells and clustering by intimin, Tir Y474 is phosphorylated, leading to recruitment of Nck, activation of N-WASP, and actin polymerization via the Arp2/3 complex. y474 75-79 Tir Escherichia coli 71-74