PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19199933-2 2009 Since discovery of first PTP inhibitors such as dephostatin in early 90th years, the research moved on toward search for inhibitors specific for the individual PTP molecules. dephostatin 48-59 protein tyrosine phosphatase receptor type U Homo sapiens 25-28 19199933-2 2009 Since discovery of first PTP inhibitors such as dephostatin in early 90th years, the research moved on toward search for inhibitors specific for the individual PTP molecules. dephostatin 48-59 protein tyrosine phosphatase receptor type U Homo sapiens 160-163