structural molecule activity | structural constituent of ribosome
cellular process | programmed cell death | apoptotic process | cell death
mitochondrial matrix | intracellular membrane-bounded organelle | cell | cytoplasm | intracellular organelle | ribosome | protein-containing complex | ribonucleoprotein complex | mitochondrial small ribosomal subunit | mitochondrial ribosome | mitochondrion | small ribosomal subunit | membrane-bounded organelle | organelle | membrane-enclosed lumen | intracellular