cholest-1,4-dien-3-one + A + H2O => 25-hydroxycholest-1,4-dien-3-one + AH2
cholest-1,4-dien-3-one + a + h2o => 25-hydroxycholest-1,4-dien-3-one + ah2
cholest-1,4-dien-3-one + A + H2O => 25-hydroxycholest-1,4-dien-3-one + AH2
cholest-1,4-dien-3-one + a + h2o => 25-hydroxycholest-1,4-dien-3-one + ah2