(1) UQCRB@mitochondrial inner membrane+MT-CYB@mitochondrial inner membrane -> CYC1:MT-CYB:UCRC*:UQCR:UQCRB:UQCRC1:UQCRC2:UQCRFS1:UQCRH:UQCRQ:cleaved~UQCRFS1*@mitochondrial inner membrane
(2) rMT-CYB@mitochondrial matrix -> MT-CYB@mitochondrial inner membrane