RPS 19 stands for ribosomal protein S19. This proteins is synthesised and located in the cytosol. It is then transported to the respective destinations. RPS 19 to reach the mitochondria must cross the 2 mitochondrial membranes the outer and inner membrane. Solution RPS 19 stands for ribosomal protein S19. This proteins is synthesised and located in the cytosol. It is then transported to the respective destinations. RPS 19 to reach the mitochondria must cross the 2 mitochondrial membranes the outer and inner membrane..