(center map)
(1) CASP9@mitochondrial intermembrane space - MOMP@mitochondrial outer membrane -t-> CASP9
(2) CASP9@mitochondrial intermembrane space+HAX1*@mitochondrial intermembrane space -> CASP9:HAX1@mitochondrial intermembrane space
(3) CASP9@mitochondrial intermembrane space+H_sub_2_endsub_O_sub_2_endsub_@mitochondrial intermembrane space -> CASP9@mitochondrial intermembrane space