Cloned (Comment) | Organism |
---|---|
- |
Haloferax volcanii |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | 50 mM used in assay conditions | Haloferax volcanii |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-xylose + NADP+ | Haloferax volcanii | - |
D-xylono-gamma-lactone + NADPH + H+ | - |
? | |
D-xylose + NADP+ | Haloferax volcanii H26 | - |
D-xylono-gamma-lactone + NADPH + H+ | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Haloferax volcanii | - |
- |
- |
Haloferax volcanii | D4GP29 | - |
- |
Haloferax volcanii DSM 3757 | D4GP29 | - |
- |
Haloferax volcanii H26 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
Ni-NTA column chromatography, and Superdex 200 gel filtration | Haloferax volcanii |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
6 | - |
pH 8.2, 42°C | Haloferax volcanii |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-xylose + NADP+ | - |
Haloferax volcanii | D-xylono-1,4-lactone + NADPH + H+ | - |
? | |
D-xylose + NADP+ | - |
Haloferax volcanii DSM 3757 | D-xylono-1,4-lactone + NADPH + H+ | - |
? | |
D-xylose + NADP+ | - |
Haloferax volcanii | D-xylono-gamma-lactone + NADPH + H+ | - |
? | |
D-xylose + NADP+ | - |
Haloferax volcanii H26 | D-xylono-gamma-lactone + NADPH + H+ | - |
? |
Synonyms | Comment | Organism |
---|---|---|
D-xylose dehydrogenase | - |
Haloferax volcanii |
XDH | - |
Haloferax volcanii |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADP+ | - |
Haloferax volcanii |
General Information | Comment | Organism |
---|---|---|
physiological function | Haloferax volcanii degrades the pentoses D-xylose and L-arabinose via an oxidative pathway to 2-oxoglutarate as an intermediate. The initial dehydrogenases of the pathway, D-xylose dehydrogenase (XDH) and L-arabinose dehydrogenase (L-AraDH) catalyze the NADP+ dependent D-xylose and L-arabinose oxidation | Haloferax volcanii |