6.2.1.5 hydrogenosome - 42566 6.2.1.5 hydrogenosome matrix 42566 6.2.1.5 membrane - 16020 6.2.1.5 mitochondrial matrix - 5759 6.2.1.5 mitochondrion - 5739 6.2.1.5 additional information the enzyme is located in a mitochondrion-like organelle -