. . . . . . . . . "bp(GO:\"cell cycle checkpoint\") -| bp(MESHPP:Apoptosis)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "The ubiquitination of Chk1 is mediated by E3 ligase complexes containing Cul1 or Cul4A. Treatment of cells with the anticancer agent camptothecin (CPT) triggers Chk1 destruction, which blocks recovery from drug-induced S phase arrest and leads to cell death." . . "Selventa" . . . . "2014-07-03T14:30:37.912+02:00"^^ . . .