PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12413892-4 2002 Here we report that SP-A treatment leads to rapid tyrosine-specific phosphorylation of several important proteins in lung epithelial cells including insulin receptor substrate-1 (IRS-1), an upstream activator of PI3K. Tyrosine 50-58 surfactant protein A1 Homo sapiens 20-24