EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
1.17.4.5 | 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone + 1,4-dithiothreitol |
i.e. vitamin K 2,3-epoxide |
Bos taurus |
3-hydroxy-2-methyl-3-phytyl-2,3-dihydronaphthoquinone + oxidized dithiothreitol |
i.e. 3-hydroxy-2,3-dihydro-vitamin K |
? |
1.17.4.5 | 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone + 1,4-dithiothreitol |
- |
Bos taurus |
2-hydroxy-2-methyl-3-phytyl-2,3-dihydronaphthoquinone + oxidized dithiothreitol |
- |
? |
1.17.4.5 | 2-methyl-3-phytyl-1,4-naphthoquinone + oxidized dithiothreitol + H2O |
- |
Homo sapiens |
2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone + 1,4-dithiothreitol |
- |
? |
1.17.4.5 | 2-methyl-3-phytyl-1,4-naphthoquinone + oxidized dithiothreitol + H2O |
- |
Rattus norvegicus |
2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone + 1,4-dithiothreitol |
- |
? |
1.17.4.5 | more |
the enzyme, driven by the reducing agent DTT, reduces both vitamin K 2,3-epoxide and vitamin K to the activated hydroquinone form |
Homo sapiens |
? |
- |
? |