preferred_name: 4 Fe(II)-[cytochrome c] + O2 + 8 H(+)(in) = 4 Fe(III)-[cytochrome c] + 2 H2O + 4 H(+)(out)
preferred_name_lc: 4 fe(ii)-[cytochrome c] + o2 + 8 h(+)(in) = 4 fe(iii)-[cytochrome c] + 2 h2o + 4 h(+)(out)
label: "complex IV (mitochondrial electron transport)"
label_lc: "complex iv (mitochondrial electron transport)"