PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16644720-5 2006 Subsequent analysis demonstrated that RhoA enhances post-translational modification of PTP1B, inactivates phosphotyrosine phosphatase activity, and up-regulates tyrosine phosphorylation of p130Cas, a key mediator of focal adhesion turnover and cell migration. Tyrosine 113-121 ras homolog family member A Homo sapiens 38-42