PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10760511-5 2000 We conclude that catechins of the green tea possessing the gallate group in their chemical structure act as anticancer agents probably partly via their ability to suppress the tyrosine kinase activity of the PDGF-Rbeta. Gallic acid 59-66 platelet derived growth factor receptor beta Homo sapiens 208-218