PMID:12426317 zVAD-fmk inhibits YWHAQ and YWHAE but not YWHAZ cleavage and dissociation from BAX PMID:15071501 putative cleavage sites in YWHAB, YWHAG, YWHAE, YWHAQ, SFN absent in YWHAQ PMID:12657644 YWHAE cleaved by CASP3