Application | Comment | Organism |
---|---|---|
degradation | exo-acting enzyme with potential interest regarding the biodegradation of chitin waste or its bioconversion into biologically active products | Halobacterium salinarum |
Cloned (Comment) | Organism |
---|---|
overexpression in Escherichia coli | Halobacterium salinarum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Mn2+ | 5 mM, 40°C, pH 7.3, 81% loss of activity | Halobacterium salinarum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | 5 mM, 40°C, pH 7.3, 1.18fold activation | Halobacterium salinarum | |
K+ | 5 mM, 40°C, pH 7.3, 1.21fold activation | Halobacterium salinarum | |
Mg2+ | 5 mM, 40°C, pH 7.3, 1.32fold activation | Halobacterium salinarum | |
NaCl | the enzyme is salt-dependent with its highest activity in the presence of 1.5 M of NaCl, but retains 20% of its activity in the absence of salt | Halobacterium salinarum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
66500 | - |
- |
Halobacterium salinarum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Halobacterium salinarum | - |
- |
- |
Halobacterium salinarum CECT 395 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Halobacterium salinarum |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.513 | - |
pH 7.3, 40°C | Halobacterium salinarum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-nitrophenyl beta-N,N',N''-triacetylchitotrioside + H2O | - |
Halobacterium salinarum | 4-nitrophenol + N,N',N''-triacetylchitotriose | - |
? | |
4-nitrophenyl beta-N,N',N''-triacetylchitotrioside + H2O | - |
Halobacterium salinarum CECT 395 | 4-nitrophenol + N,N',N''-triacetylchitotriose | - |
? | |
4-nitrophenyl N-acetyl-beta-D-glucosamine + H2O | - |
Halobacterium salinarum | p-nitrophenol + N-acetyl-D-glucosamine | - |
? | |
4-nitrophenyl N-acetyl-beta-D-glucosamine + H2O | - |
Halobacterium salinarum CECT 395 | p-nitrophenol + N-acetyl-D-glucosamine | - |
? | |
colloidal chitin + H2O | - |
Halobacterium salinarum | ? | - |
? | |
colloidal chitin + H2O | - |
Halobacterium salinarum CECT 395 | ? | - |
? | |
crystalline chitin + H2O | - |
Halobacterium salinarum | ? | - |
? | |
crystalline chitin + H2O | - |
Halobacterium salinarum CECT 395 | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 66500, SDS-PAGE | Halobacterium salinarum |
Synonyms | Comment | Organism |
---|---|---|
HschiA1 | - |
Halobacterium salinarum |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
purified recombinant enzyme, determined in 50 mM TrisHCl buffer at pH 8 with 1.5 M NaCl | Halobacterium salinarum |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 45 | 30°C: about 50% of maximal activity, 45°C: about 70% of maximal activity | Halobacterium salinarum |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
40 min, 10% loss of activity | Halobacterium salinarum |
45 | - |
40 min, 35% loss of activity | Halobacterium salinarum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.3 | - |
purified recombinant enzyme | Halobacterium salinarum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 8 | pH 6.0: about 40% of maximal activity, pH 8.0: about 70% of maximal activity | Halobacterium salinarum |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
6.5 | 8.5 | the enzyme maintains over 90% of its activity after 40 min | Halobacterium salinarum |