Activating Compound | Comment | Organism | Structure |
---|---|---|---|
SDS | 111% activity at 0.1% SDS | Pseudothermotoga thermarum | |
Tween 60 | 133% activity at 0.05% Tween 60 | Pseudothermotoga thermarum |
Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli BL21(DE3) cells | Pseudothermotoga thermarum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Al3+ | complete inhibition at 1 mM | Pseudothermotoga thermarum | |
Co2+ | 82% residual activity at 1 mM | Pseudothermotoga thermarum | |
Cu2+ | complete inhibition at 1 mM | Pseudothermotoga thermarum | |
Ni2+ | 31% residual activity at 1 mM | Pseudothermotoga thermarum | |
Tris | 41% residual activity at 0.05% (w/v) | Pseudothermotoga thermarum | |
Zn2+ | 14% residual activity at 1 mM | Pseudothermotoga thermarum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ba2+ | 113% activity at 1 mM | Pseudothermotoga thermarum | |
Ca2+ | 113% activity at 1 mM | Pseudothermotoga thermarum | |
Mn2+ | 128% activity at 1 mM | Pseudothermotoga thermarum | |
additional information | not affected by Mg2+ | Pseudothermotoga thermarum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
36000 | - |
x * 36000, SDS-PAGE | Pseudothermotoga thermarum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pseudothermotoga thermarum | - |
- |
- |
Purification (Comment) | Organism |
---|---|
nickel affinity column chromatography | Pseudothermotoga thermarum |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
42.5 | - |
with sugar beet arabinan as substrate, at pH 6.5 and 75°C | Pseudothermotoga thermarum |
199.7 | - |
with debranched arabinan as substrate, at pH 6.5 and 75°C | Pseudothermotoga thermarum |
237.7 | - |
with linear arabinan as substrate, at pH 6.5 and 75°C | Pseudothermotoga thermarum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
debranched arabinan + H2O | - |
Pseudothermotoga thermarum | oligo-alpha-(1->5)-L-arabinoside | - |
? | |
linear arabinan + H2O | - |
Pseudothermotoga thermarum | oligo-alpha-(1->5)-L-arabinoside | - |
? | |
additional information | there is no activity towards 1,4-beta-D-mannan, galactan, 4-nitrophenyl-beta-D-xylopyranoside, and 4-nitrophenyl-alpha-L-arabinofuranoside | Pseudothermotoga thermarum | ? | - |
? | |
sugar beet arabinan + H2O | - |
Pseudothermotoga thermarum | oligo-alpha-(1->5)-L-arabinoside | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 36000, SDS-PAGE | Pseudothermotoga thermarum |
Synonyms | Comment | Organism |
---|---|---|
ABN | - |
Pseudothermotoga thermarum |
endo-arabinanase | - |
Pseudothermotoga thermarum |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
75 | - |
- |
Pseudothermotoga thermarum |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
60 | 90 | about 50% activity at pH 60°C, about 70% activity at pH 70°C, about 95% activity at pH 80°C, about 92% activity at pH 85°C, about 20% activity at 90°C | Pseudothermotoga thermarum |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
70 | 85 | the enzyme retains more than 95% of its initial activity at 70°C for 1 h. After being incubated at 80°C for 2 h, the residual activity retained is more than 80% of the initial activity. The enzyme retains more than 90% of its maximum activity at 85°C after 10 min incubation | Pseudothermotoga thermarum |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
349.3 | - |
linear arabinan | at pH 6.5 and 75°C | Pseudothermotoga thermarum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Pseudothermotoga thermarum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.5 | 7.5 | about 35% activity at pH 5.5, about 50% activity at pH 7.5 | Pseudothermotoga thermarum |