25-hydroxycholest-4-en-3-one + AH2 => cholest-4-en-3-one + A + H2O
25-hydroxycholest-4-en-3-one + ah2 => cholest-4-en-3-one + a + h2o
25-hydroxycholest-4-en-3-one + AH2 => cholest-4-en-3-one + A + H2O
25-hydroxycholest-4-en-3-one + ah2 => cholest-4-en-3-one + a + h2o