1.3.1.114 12alpha-hydroxy-3-oxochol-4-en-24-oyl-CoA + NAD+ - 1.3.1.114 12alpha-hydroxy-3-oxochol-4-en-24-oyl-CoA + NAD+ the enzyme participates in the bile acid 7alpha-dehydroxylation pathway. It catalyses two subsequent reductions of the double bonds within the bile acid A/B rings, following 7alpha-dehydration 1.3.1.114 12alpha-hydroxy-3-oxocholan-24-oyl-CoA + NAD+ - 1.3.1.114 12alpha-hydroxy-3-oxocholan-24-oyl-CoA + NAD+ the enzyme participates in the bile acid 7alpha-dehydroxylation pathway. It catalyses two subsequent reductions of the double bonds within the bile acid A/B rings, following 7alpha-dehydration 1.3.1.114 3-oxochol-4-en-24-oyl-CoA + NAD+ - 1.3.1.114 3-oxochol-4-en-24-oyl-CoA + NAD+ the enzyme participates in the bile acid 7alpha-dehydroxylation pathway. It catalyses two subsequent reductions of the double bonds within the bile acid A/B rings, following 7alpha-dehydration 1.3.1.114 3-oxocholan-24-oyl-CoA + NAD+ - 1.3.1.114 3-oxocholan-24-oyl-CoA + NAD+ the enzyme participates in the bile acid 7alpha-dehydroxylation pathway. It catalyses two subsequent reductions of the double bonds within the bile acid A/B rings, following 7alpha-dehydration