. . . . . . . . . . . . . . . . . . "cat(p(SFAM:\"SOS Family\")) => gtp(p(SFAM:\"RAS Family\"))" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "In turn, Grb2 stimulates a guanine nucleotide exchange protein, SOS, to convert Ras from the inactive GDP-bound state to the active GTP-bound form. " . . "Selventa" . . . . "2014-07-03T14:31:40.197+02:00"^^ . . .