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 => 25-hydroxycholest-4-en-3-one + ah2