. . . . . . . . . . . . . . . . . "cat(p(HGNC:SOS1)) => gtp(p(HGNC:HRAS))" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "The activation of Ras by the guanine nucleotide-exchange factor Son of sevenless (Sos) constitutes the rate-limiting step in the transduction process that links receptor tyrosine kinases to Ras-triggered intracellular signalling pathways." . . "Selventa" . . . . "2014-07-03T14:33:10.347+02:00"^^ . . .