EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
1.17.99.10 | 5-cholesten-3beta-ol-7-one + acceptor + H2O |
15% of the activity as compared to activity with cholest-4-en-3-one |
Sterolibacterium denitrificans |
25-hydroxy-5-cholesten-3beta-ol-7-one + reduced acceptor |
- |
? |
1.17.99.10 | 7-dehydrocholesterol + acceptor + H2O |
high activity with isoenzyme S25DH2, low activity with isoenzyme S25DH1. No activity with isoenzyme S25DH1, S25DH2 and S25DH3 |
Sterolibacterium denitrificans |
25-hydroxy-7-dehydrocholesterol + reduced acceptor |
- |
? |
1.17.99.10 | beta-sitost-4-en-3-one + acceptor + H2O |
high activity with isoenzyme S25DH4. No activity with isoenzyme S25DH1 and S25DH2 |
Sterolibacterium denitrificans |
25-hydroxysitost-4-en-3-one + reduced acceptor |
- |
? |
1.17.99.10 | campest-4-en-3-one + acceptor + H2O |
high activity with isoenzyme S25DH4, low activity with isoenzyme S25DH3. No activity with isoenzyme S25DH1 and S25DH2 |
Sterolibacterium denitrificans |
25-hydroxycampest-4-en-3-one + reduced acceptor |
- |
? |
1.17.99.10 | cholecalciferol + acceptor + H2O |
the product 25-hydroxycholecalciferol (calcifediol) is the activated form of vitamin D3 used in the treatment of rickets and other calcium disorders |
Sterolibacterium denitrificans |
25-hydroxycholecalciferol + reduced acceptor |
- |
? |
1.17.99.10 | cholecalciferol + acceptor + H2O |
90% concversion after 46 h |
Sterolibacterium denitrificans |
25-hydroxycholecalciferol + reduced acceptor |
- |
? |
1.17.99.10 | cholest-4-en-3-one + acceptor + H2O |
- |
Sterolibacterium denitrificans |
25-hydroxycholest-4-en-3-one + reduced acceptor |
- |
? |
1.17.99.10 | cholest-4-en-3-one + acceptor + H2O |
90% concversion after 4 h |
Sterolibacterium denitrificans |
25-hydroxycholest-4-en-3-one + reduced acceptor |
- |
? |
1.17.99.10 | cholest-4-en-3-one + acceptor + H2O |
high activity with isoenzymes S25DH1, S25DH2 and S25DH1. No activity with isoenzyme S25DH3 |
Sterolibacterium denitrificans |
25-hydroxycholest-4-en-3-one + reduced acceptor |
- |
? |
1.17.99.10 | cholesta-1,4-dien-3-one + acceptor + H2O |
90% concversion after 4 h |
Sterolibacterium denitrificans |
25-hydroxycholesta-1,4-dien-3-one + reduced acceptor |
- |
? |