(center map)
(1) HTRA2@mitochondrial intermembrane space - MOMP@mitochondrial outer membrane -t-> HTRA2
(2) BIRC6|unk - HTRA2 -> cleaved~BIRC6
(3) XIAP|S87_unk - HTRA2 ->
(4) RIPK1@TNFRSF1 receptor complex - cleaved~CASP8 - HTRA2 - cleaved~CASP2 -> cleaved~RIPK1@TNFRSF1 receptor complex