Activating Compound | Comment | Organism | Structure |
---|---|---|---|
EDTA | 9% increase of activity at 1 mM | Halalkalibacterium halodurans |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | 81% residual activity at 5 mM | Halalkalibacterium halodurans | |
Co2+ | 63% residual activity at 5 mM | Halalkalibacterium halodurans | |
Cu2+ | 13% residual activity at 5 mM | Halalkalibacterium halodurans | |
dithiothreitol | 90% residual activity at 5 mM | Halalkalibacterium halodurans | |
EDTA | 61% residual activity at 5 mM | Halalkalibacterium halodurans | |
Hg2+ | 75% residual activity at 5 mM | Halalkalibacterium halodurans | |
Mg2+ | 90% residual activity at 5 mM | Halalkalibacterium halodurans | |
Mn2+ | 3% residual activity at 5 mM | Halalkalibacterium halodurans | |
additional information | not inhibited by Fe2+, Sn2+, Ni2+, and Na+ | Halalkalibacterium halodurans | |
Ru2+ | 95% residual activity at 1 mM | Halalkalibacterium halodurans |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | 3% increase of activity at 1 mM | Halalkalibacterium halodurans | |
Co2+ | 19% increase of activity at 1 mM | Halalkalibacterium halodurans | |
Cu2+ | 7% increase of activity at 1 mM | Halalkalibacterium halodurans | |
Fe2+ | 10% increase of activity at 1 mM | Halalkalibacterium halodurans | |
K+ | 3% increase of activity at 5 mM | Halalkalibacterium halodurans | |
Mg2+ | 4% increase of activity at 1 mM | Halalkalibacterium halodurans | |
Ni2+ | 22% increase of activity at 5 mM | Halalkalibacterium halodurans | |
Ru2+ | 5% increase of activity at 5 mM | Halalkalibacterium halodurans | |
Sn2+ | 25% increase of activity at 5 mM | Halalkalibacterium halodurans |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
43000 | - |
SDS-PAGE | Halalkalibacterium halodurans |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Halalkalibacterium halodurans | - |
- |
- |
Halalkalibacterium halodurans S7 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
DEAE Sepharose Fast Flow column chromatography and Sephadex G-75 gel filtration | Halalkalibacterium halodurans |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
8.9 | - |
culture supernatant | Halalkalibacterium halodurans |
342 | - |
after purification | Halalkalibacterium halodurans |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
beechwood xylan + H2O | 95% activity compared to birchwood xylan | Halalkalibacterium halodurans | ? | - |
? | |
beechwood xylan + H2O | 95% activity compared to birchwood xylan | Halalkalibacterium halodurans S7 | ? | - |
? | |
birchwood xylan + H2O | 100% activity | Halalkalibacterium halodurans | ? | - |
? | |
birchwood xylan + H2O | 100% activity | Halalkalibacterium halodurans S7 | ? | - |
? | |
additional information | no detectable activity with carboxymethyl cellulose, avicel, laminarin, p-nitrophenyl-beta-galactopyranoside, p-nitrophenyl-alpha-glucopyranoside, p-nitrophenyl-beta-xylopyranoside, p-nitrophenyl-alpha-L-arabinofuranoside, p-nitrophenyl-acetate or p-nitrophenyl-alpha-D-xylopyranoside | Halalkalibacterium halodurans | ? | - |
? | |
additional information | no detectable activity with carboxymethyl cellulose, avicel, laminarin, p-nitrophenyl-beta-galactopyranoside, p-nitrophenyl-alpha-glucopyranoside, p-nitrophenyl-beta-xylopyranoside, p-nitrophenyl-alpha-L-arabinofuranoside, p-nitrophenyl-acetate or p-nitrophenyl-alpha-D-xylopyranoside | Halalkalibacterium halodurans S7 | ? | - |
? | |
oat spelt xylan + H2O | 85% activity compared to birchwood xylan | Halalkalibacterium halodurans | ? | - |
? | |
oat spelt xylan + H2O | 85% activity compared to birchwood xylan | Halalkalibacterium halodurans S7 | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
xylanase | - |
Halalkalibacterium halodurans |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
70 | - |
at pH 10 | Halalkalibacterium halodurans |
75 | - |
at pH 9 | Halalkalibacterium halodurans |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
9 | 9.5 | at 70°C | Halalkalibacterium halodurans |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5.5 | 10.5 | fully stable from pH 5.5 to 10.5 after 12 h of incubation at 50°C | Halalkalibacterium halodurans |
9 | - |
the enzyme shows good thermal stability when incubated at 65°C in pH 9 buffer | Halalkalibacterium halodurans |
10 | - |
no detectable activity after 1 h at pH 10 at 65°C | Halalkalibacterium halodurans |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Halalkalibacterium halodurans | isoelectric focusing | - |
4.5 |