PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11461911-9 2001 Furthermore, tetracycline-regulated, pX-NLS-expressing cell lines demonstrate that expression of the nuclear pX-NLS variant minimally activates the RAS-RAF-MAPK pathway and results in markedly reduced transformation. Tetracycline 13-25 zinc fingers and homeoboxes 2 Homo sapiens 152-155