. . . . . . . . . . . . . . . . . "cat(p(HGNC:SOS1)) => gtp(p(HGNC:RAC1))" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "The Son of Sevenless 1 protein (sos1) is a guanine nucleotide exchange factor (GEF) for either the ras or rac1 GTPase. " . . "Selventa" . . . . "2014-07-03T14:30:41.920+02:00"^^ . . .