PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7514539-2 1994 In this paper, we report that the c-met protooncogene-transformed cells proliferate in a serum- and growth factor-free medium and exhibit constitutive tyrosine phosphorylation of several cellular proteins including the met protooncogene-encoded p145 and p185. Tyrosine 151-159 met proto-oncogene Mus musculus 34-39