CH–CH oxidoreductases

CH–CH oxidoreductases are oxidoreductase enzymes that convert single bonds and double bonds between two carbon atoms. They are classified under EC number 1.3.

One example is 5-alpha reductase:

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  Testosterone.
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  Dihydrotestosterone

Note the major difference—the Δ4,5 double-bond on the A (leftmost) ring. (The other differences between the diagrams are unrelated to chemical structure.)

• Alpha-santonin 1,2-reductase

• Oxidoreductases+Acting+on+CH-CH+Group+Donors at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

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