Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ag+ | minor isozyme: 2% of activity remains with 5 mM, major isozyme: 38% of activity remains with 2 mM | Dictyostelium discoideum | |
Cu2+ | minor isozyme: 19% of activity remains with 10 mM, major isozyme: 47% of activity remains with 10 mM | Dictyostelium discoideum | |
Hg2+ | minor isozyme: 5% of activity remains with 0.01 mM, major isozyme: 53% of activity remains with 0.01 mM | Dictyostelium discoideum | |
Zn2+ | minor isozyme: 8% of activity remains with 5 mM, major isozyme: 40% of activity remains with 2 mM | Dictyostelium discoideum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.5 | - |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside | - |
Dictyostelium discoideum | |
1.5 | - |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside | extract of wild type strain, purified major and minor isozyme | Dictyostelium discoideum | |
7.8 | - |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside | extract of mutant strains | Dictyostelium discoideum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
N-acetyl-beta-D-hexosaminides + H2O | Dictyostelium discoideum | - |
N-acetyl-D-hexosamines | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Dictyostelium discoideum | - |
- |
- |
Dictyostelium discoideum A3 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
stage-specific enzyme: 2200fold, vegetative enzyme: 1400fold | Dictyostelium discoideum |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1.4 | - |
vegetative enzyme | Dictyostelium discoideum |
262 | - |
stage-specific enzyme | Dictyostelium discoideum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
chitin + H2O | - |
Dictyostelium discoideum | N-acetylglucosamine | - |
? | |
chitin + H2O | - |
Dictyostelium discoideum A3 | N-acetylglucosamine | - |
? | |
chondroitinsulfate C + H2O | - |
Dictyostelium discoideum | ? | - |
? | |
hyaluronic acid + H2O | - |
Dictyostelium discoideum | N-acetylglucosamine + ? | - |
? | |
hyaluronic acid + H2O | - |
Dictyostelium discoideum A3 | N-acetylglucosamine + ? | - |
? | |
murein + H2O | bacterial cell wall murein, activity against this substrate at pH 3.5 and not 5.0 | Dictyostelium discoideum | ? | - |
? | |
murein + H2O | bacterial cell wall murein, activity against this substrate at pH 3.5 and not 5.0 | Dictyostelium discoideum A3 | ? | - |
? | |
N-acetyl-beta-D-hexosaminides + H2O | - |
Dictyostelium discoideum | N-acetyl-D-hexosamines | - |
? | |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside + H2O | - |
Dictyostelium discoideum | 2-acetamido-2-deoxy-D-galactose + p-nitrophenol | - |
? | |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside + H2O | - |
Dictyostelium discoideum A3 | 2-acetamido-2-deoxy-D-galactose + p-nitrophenol | - |
? | |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside + H2O | - |
Dictyostelium discoideum | 2-acetamido-2-deoxy-D-glucose + p-nitrophenol | - |
? | |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside + H2O | - |
Dictyostelium discoideum A3 | 2-acetamido-2-deoxy-D-glucose + p-nitrophenol | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
55 | - |
major peak: half-life of 17 min at pH 5.0, minor peak: half-life of more than 100 min at pH 5.0 | Dictyostelium discoideum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
3.5 | - |
extract of mutant strains | Dictyostelium discoideum |
5 | - |
extract of wild type strain | Dictyostelium discoideum |