(center map)
(1) CYCS@mitochondrial intermembrane space+ferroheme b@mitochondrial intermembrane space - HCCS@mitochondrial inner membrane -> CYCS@mitochondrial intermembrane space
(2) CYCS@mitochondrial intermembrane space+ferroheme b@mitochondrial intermembrane space - HCCS@mitochondrial inner membrane -> CYCS@mitochondrial intermembrane space
(3) rCYCS@nucleus -> CYCS@mitochondrial intermembrane space