. . . . . . . . . . . . . . . . "tscript(p(HGNC:SP4)) -> r(HGNC:PDE6B)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "Sp4 activates both the rod opsin and beta-PDE promoters, whereas Sp1 activates only the rod opsin promoter and Sp3 activates neither promoter. " . . "Selventa" . . . . "2014-07-03T14:30:33.567+02:00"^^ . . .