logical re23_s113_re28=FALSE logical re23_s113_re27=FALSE PMID:15071501 in COS cells, in HCT116 cells, phosphorylation of SFN and YWHAZ by JNK blocks their interaction with BAX in vitro recombinant MKK7-JNK can directly phosphorylate YWHAZ putative JNK phosphorylation sites conserved in YWHAB, YWHAE, YWHAZ, and SFN, but not in YWHAG, YWHAH nor YWHAQ