PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21071439-4 2011 Here, we show that Raptor, an essential scaffolding protein of the mTOR complex 1 (mTORC1), becomes phosphorylated on proline-directed sites following activation of the Ras/MAPK pathway. Proline 118-125 CREB regulated transcription coactivator 1 Mus musculus 83-89