A Strategic Protein in Cytochrome c Maturation

the intermembrane space of mitochondria,the chloroplast lumen, or the periplasm of bacteria. This processrequires an elaborate post-translational modification machinerythatmustalsoensuretranslocationofbothapocytandhemefromthen-sideofthemembranewheretheyaresynthesized.Itisknownthatthreedifferentmultienzymaticsystemshaveevolved in different organisms to accomplish this task.AlthoughSystemIIIconsistsofasinglecyt