EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
3.1.1.68 | KCl | highest activity in 1 M KCl | Haloferax volcanii |
EC Number | Cloned (Comment) | Organism |
---|---|---|
1.1.1.424 | - |
Haloferax volcanii |
3.1.1.68 | expression in Haloferax volcanii H1209 | Haloferax volcanii |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.1.1.15 | 10.9 | - |
D-xylono-gamma-lactone | pH 7.5, 42°C | Haloferax volcanii | |
3.1.1.15 | 37.1 | - |
L-arabinono-1,4-lactone | pH 7.5, 42°C | Haloferax volcanii | |
3.1.1.68 | 10.9 | - |
D-xylono-1,4-lactone | pH 7.5, 42°C | Haloferax volcanii | |
3.1.1.68 | 37.1 | - |
L-arabino-1,4-lactone | pH 7.5, 42°C | Haloferax volcanii |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
1.1.1.424 | Mg2+ | 50 mM used in assay conditions | Haloferax volcanii | |
3.1.1.15 | CoCl2 | 1 mM, 150% compared to activity with 1 mM MgCl2 | Haloferax volcanii | |
3.1.1.15 | FeCl2 | 1 mM, 21% compared to activity with 1 mM MgCl2 | Haloferax volcanii | |
3.1.1.15 | KCl | the enzyme showed the highest activity at about 1 M KCl and requires divalent cations for activity | Haloferax volcanii | |
3.1.1.15 | MgCl2 | Km: 0.2 mM | Haloferax volcanii | |
3.1.1.15 | MnCl2 | 1 mM, 86% compared to activity with 1 mM MgCl2 | Haloferax volcanii | |
3.1.1.15 | NiCl2 | 1 mM, 21% compared to activity with 1 mM MgCl2 | Haloferax volcanii | |
3.1.1.15 | ZnCl2 | 1 mM, 14% compared to activity with 1 mM MgCl2 | Haloferax volcanii | |
3.1.1.68 | Co2+ | 150% of the activity with Mg2+ | Haloferax volcanii | |
3.1.1.68 | Mg2+ | Km value 0.2 mM | Haloferax volcanii | |
3.1.1.68 | Mn2+ | 86% of the activity with Mg2+ | Haloferax volcanii | |
3.1.1.68 | additional information | divalent cation required | Haloferax volcanii |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
3.1.1.15 | 28000 | - |
gel filtration | Haloferax volcanii |
3.1.1.68 | 28000 | - |
gel filtration | Haloferax volcanii |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.1.1.424 | D-xylose + NADP+ | Haloferax volcanii | - |
D-xylono-gamma-lactone + NADPH + H+ | - |
? | |
1.1.1.424 | D-xylose + NADP+ | Haloferax volcanii H26 | - |
D-xylono-gamma-lactone + NADPH + H+ | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | Haloferax volcanii | - |
L-arabinonate + H+ | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | Haloferax volcanii DSM 3757 | - |
L-arabinonate + H+ | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | Haloferax volcanii ATCC 29605 | - |
L-arabinonate + H+ | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.1.1.424 | Haloferax volcanii | - |
- |
- |
1.1.1.424 | Haloferax volcanii | D4GP29 | - |
- |
1.1.1.424 | Haloferax volcanii DSM 3757 | D4GP29 | - |
- |
1.1.1.424 | Haloferax volcanii H26 | - |
- |
- |
3.1.1.15 | Haloferax volcanii | D4GP31 | - |
- |
3.1.1.15 | Haloferax volcanii ATCC 29605 | D4GP31 | - |
- |
3.1.1.68 | Haloferax volcanii | D4GP31 | - |
- |
3.1.1.68 | Haloferax volcanii DSM 3757 | D4GP31 | - |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
1.1.1.424 | Ni-NTA column chromatography, and Superdex 200 gel filtration | Haloferax volcanii |
3.1.1.15 | - |
Haloferax volcanii |
3.1.1.68 | recombinant protein | Haloferax volcanii |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
1.1.1.424 | 6 | - |
pH 8.2, 42°C | Haloferax volcanii |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.1.1.424 | D-xylose + NADP+ | - |
Haloferax volcanii | D-xylono-1,4-lactone + NADPH + H+ | - |
? | |
1.1.1.424 | D-xylose + NADP+ | - |
Haloferax volcanii DSM 3757 | D-xylono-1,4-lactone + NADPH + H+ | - |
? | |
1.1.1.424 | D-xylose + NADP+ | - |
Haloferax volcanii | D-xylono-gamma-lactone + NADPH + H+ | - |
? | |
1.1.1.424 | D-xylose + NADP+ | - |
Haloferax volcanii H26 | D-xylono-gamma-lactone + NADPH + H+ | - |
? | |
3.1.1.15 | D-galactono-gamma-lactone + H2O | - |
Haloferax volcanii | ? | - |
? | |
3.1.1.15 | D-galactono-gamma-lactone + H2O | - |
Haloferax volcanii DSM 3757 | ? | - |
? | |
3.1.1.15 | D-galactono-gamma-lactone + H2O | - |
Haloferax volcanii ATCC 29605 | ? | - |
? | |
3.1.1.15 | D-glucono-delta-lactone + H2O | - |
Haloferax volcanii | ? | - |
? | |
3.1.1.15 | D-glucono-delta-lactone + H2O | - |
Haloferax volcanii DSM 3757 | ? | - |
? | |
3.1.1.15 | D-glucono-delta-lactone + H2O | - |
Haloferax volcanii ATCC 29605 | ? | - |
? | |
3.1.1.15 | D-xylono-gamma-lactone + H2O | - |
Haloferax volcanii | xylonate | - |
? | |
3.1.1.15 | D-xylono-gamma-lactone + H2O | - |
Haloferax volcanii DSM 3757 | xylonate | - |
? | |
3.1.1.15 | D-xylono-gamma-lactone + H2O | - |
Haloferax volcanii ATCC 29605 | xylonate | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | - |
Haloferax volcanii | L-arabinonate | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | - |
Haloferax volcanii DSM 3757 | L-arabinonate | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | - |
Haloferax volcanii ATCC 29605 | L-arabinonate | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | - |
Haloferax volcanii | L-arabinonate + H+ | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | - |
Haloferax volcanii DSM 3757 | L-arabinonate + H+ | - |
? | |
3.1.1.15 | L-arabinono-1,4-lactone + H2O | - |
Haloferax volcanii ATCC 29605 | L-arabinonate + H+ | - |
? | |
3.1.1.68 | D-xylono-1,4-lactone + H2O | - |
Haloferax volcanii | D-xylonate | - |
? | |
3.1.1.68 | L-arabino-1,4-lactone + H2O | - |
Haloferax volcanii | L-arabinonate | - |
? | |
3.1.1.68 | L-galactono-1,4-lactone + H2O | - |
Haloferax volcanii | L-galactonate | - |
? | |
3.1.1.68 | L-glucono-1,4-lactone + H2O | - |
Haloferax volcanii | L-gluconate | - |
? | |
3.1.1.68 | additional information | no substrate: D-ribono-1,4 -lactone | Haloferax volcanii | ? | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
3.1.1.68 | monomer | 1 * 31400, calculated from sequence, 1 * 35000, SDS-PAGE | Haloferax volcanii |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
1.1.1.424 | D-xylose dehydrogenase | - |
Haloferax volcanii |
1.1.1.424 | XDH | - |
Haloferax volcanii |
3.1.1.15 | XacC | - |
Haloferax volcanii |
3.1.1.68 | HVO B0030 | - |
Haloferax volcanii |
3.1.1.68 | XacC | - |
Haloferax volcanii |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.1.1.15 | 42 | - |
assay at | Haloferax volcanii |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.1.1.15 | 7.5 | - |
assay at | Haloferax volcanii |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.1.1.424 | NADP+ | - |
Haloferax volcanii |
EC Number | Organism | Comment | Expression |
---|---|---|---|
3.1.1.15 | Haloferax volcanii | the enzyme is transcriptionally upregulated by both D-xylose and L-arabinose mediated by the pentose-specific regulator XacR | up |
3.1.1.68 | Haloferax volcanii | expression is upregulated by both D-xylose and L-arabinose mediated by the pentose-specific regulator XacR | up |
EC Number | General Information | Comment | Organism |
---|---|---|---|
1.1.1.424 | 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 |
3.1.1.15 | metabolism | the enzyme is involved in the oxidative pathway of L-arabinose degradation to alpha-ketoglutarate | Haloferax volcanii |
EC Number | kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.1.1.15 | 10.74 | - |
L-arabinono-1,4-lactone | pH 7.5, 42°C | Haloferax volcanii | |
3.1.1.15 | 20.96 | - |
D-xylono-gamma-lactone | pH 7.5, 42°C | Haloferax volcanii | |
3.1.1.68 | 10.74 | - |
L-arabino-1,4-lactone | pH 7.5, 42°C | Haloferax volcanii | |
3.1.1.68 | 20.9 | - |
D-xylono-1,4-lactone | pH 7.5, 42°C | Haloferax volcanii |