Activating Compound | Comment | Organism | Structure |
---|---|---|---|
additional information | activity is not affected by L-cysteine and 1,1-dithioerythreitol | Euphausia superba |
General Stability | Organism |
---|---|
Ca2+, Mg2+, DTT, L-cysteine, soybean trypsin inhibitor, PMSF, as well as a 17 kDa component from krill extract, stabilize the isozymes A and B | Euphausia superba |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Co2+ | - |
Euphausia superba | |
Cu2+ | - |
Euphausia superba | |
iodoacetate | isozymes A and B | Euphausia superba | |
Mn2+ | - |
Euphausia superba | |
additional information | activity is not affected by L-cysteine and 1,1-dithioerythreitol | Euphausia superba | |
N-bromosuccinimide | strong inhibition, isozymes A and B | Euphausia superba | |
p-chloromercuribenzoate | isozymes A and B | Euphausia superba | |
Zn2+ | - |
Euphausia superba |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Euphausia superba |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | activation of isozymes A and B | Euphausia superba | |
Mg2+ | activation of isozymes A and B | Euphausia superba | |
PMSF | activation of isozymes A and B | Euphausia superba | |
Soybean trypsin inhibitor | activation of isozymes A and B | Euphausia superba |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
25000 | - |
isozyme B, gel filtration | Euphausia superba |
45000 | - |
isozyme A, gel filtration | Euphausia superba |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Euphausia superba | - |
from krill, 2 isozymes A and B | - |
Purification (Comment) | Organism |
---|---|
isozymes A, 118fold, and B, 82fold | Euphausia superba |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
4780 | - |
purified isozyme B | Euphausia superba |
6820 | - |
purified isozyme A | Euphausia superba |
Storage Stability | Organism |
---|---|
unstable enzyme | Euphausia superba |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-nitrophenyl beta-D-xylopyranoside + H2O | beta-xylosidase activity | Euphausia superba | 4-nitrophenol + beta-D-xylopyranose | - |
? | |
xylan + H2O | from oat spelt | Euphausia superba | D-xylose + ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
(1-4)-beta-xylan 4-xylanohydrolase | - |
Euphausia superba |
1,4-beta-xylan xylanohydrolase | - |
Euphausia superba |
beta-1,4-xylan xylanohydrolase | - |
Euphausia superba |
beta-1,4-xylanase | - |
Euphausia superba |
beta-D-xylanase | - |
Euphausia superba |
beta-xylanase | - |
Euphausia superba |
endo(1-4)beta-xylanase | - |
Euphausia superba |
endo-1,4-beta-D-xylanase | - |
Euphausia superba |
endo-1,4-beta-xylanase | - |
Euphausia superba |
endo-1,4-xylanase | - |
Euphausia superba |
endo-beta-1,4-xylanase | - |
Euphausia superba |
xylanase | - |
Euphausia superba |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | 40 | isozymes A and B | Euphausia superba |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
very low thermostability of isozymes A and B | Euphausia superba |
25 | - |
stable up to for at least 10 min, rapid inactivation above, isozymes A and B | Euphausia superba |
45 | - |
complete loss of activity within 5 min, isozymes A and B | Euphausia superba |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.7 | 6 | isozymes A and B | Euphausia superba |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5 | 7.5 | isozymes A and B | Euphausia superba |