(center map)
(1) MCL1@mitochondrial outer membrane - GSK3B - GSK3A -> MCL1|S159_pho@mitochondrial outer membrane
(2) MCL1|S159_pho@mitochondrial outer membrane - HUWE1 -> MCL1|S159_pho|ubi@mitochondrial outer membrane
(3) MCL1|S159_pho@mitochondrial outer membrane -> MCL1|S159_unk@mitochondrial outer membrane
(4) MCL1|S159_pho|ubi@mitochondrial outer membrane - USP9X -> MCL1|S159_pho@mitochondrial outer membrane