PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9642236-7 1998 Importantly, overexpression of Btk enhanced the level of the GTP-bound, active form of Ras in response to IL-3 stimulation. Guanosine Triphosphate 61-64 Bruton agammaglobulinemia tyrosine kinase Mus musculus 31-34