ouabagenin + 2 Fe(II)-[cytochrome c] + 3 H(+) <=> dihydroouabagenin + 2 Fe(III)-[cytochrome c]
ouabagenin + 2 fe(ii)-[cytochrome c] + 3 h(+) <=> dihydroouabagenin + 2 fe(iii)-[cytochrome c]
ouabagenin + 2 Fe(II)-[cytochrome c] + 3 H(+) <=> dihydroouabagenin + 2 Fe(III)-[cytochrome c]
ouabagenin + 2 fe(ii)-[cytochrome c] + 3 h(+) <=> dihydroouabagenin + 2 fe(iii)-[cytochrome c]