Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Thermococcus kodakarensis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
31.8 | - |
2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranose | pH 8.5, 75°C | Thermococcus kodakarensis | |
98 | - |
GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc | pH 8.5, 75°C | Thermococcus kodakarensis |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytoplasm | - |
Thermococcus kodakarensis | 5737 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
30000 | - |
6 * 30000, SDS-PAGE | Thermococcus kodakarensis |
160000 | - |
gel filtration | Thermococcus kodakarensis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranose + H2O | Thermococcus kodakarensis | i.e. N,N'-diacetylchitobiose, the enzyme is probably involved in archaeal chitin catabolic pathway | 2-acetamido-4-O-(2-amino-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-D-glucose + acetate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Thermococcus kodakarensis | Q6F4N1 | - |
- |
Purification (Comment) | Organism |
---|---|
- |
Thermococcus kodakarensis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranose + H2O | i.e. N,N'-diacetylchitobiose, the enzyme is probably involved in archaeal chitin catabolic pathway | Thermococcus kodakarensis | 2-acetamido-4-O-(2-amino-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-D-glucose + acetate | - |
? | |
2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranose + H2O | i.e. N,N'-diacetylchitobiose, the deacetylation site is specific to the nonreducing end residue of (GlcNAc)(2). The enzyme can also deacetylate N-acetyl-D-glucosamine (cf. EC 3.5.1.33) | Thermococcus kodakarensis | 2-acetamido-4-O-(2-amino-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-D-glucose + acetate | - |
? | |
GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc + H2O | specific deacetylation at the nonreducing GlcNAc residue | Thermococcus kodakarensis | GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcN + acetate | - |
? | |
GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc + H2O | specific deacetylation at the nonreducing GlcNAc residue | Thermococcus kodakarensis | GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcN + acetate | - |
? | |
GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc + H2O | specific deacetylation at the nonreducing GlcNAc residue | Thermococcus kodakarensis | GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcN + acetate | - |
? |
Subunits | Comment | Organism |
---|---|---|
homohexamer | 6 * 30000, SDS-PAGE | Thermococcus kodakarensis |
Synonyms | Comment | Organism |
---|---|---|
diacetylchitobiose deacetylase | - |
Thermococcus kodakarensis |
GlcNAc2 deacetylase | - |
Thermococcus kodakarensis |
Tk-Dac | - |
Thermococcus kodakarensis |
TK1764 | locus name | Thermococcus kodakarensis |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
70 | - |
assay at | Thermococcus kodakarensis |
75 | - |
- |
Thermococcus kodakarensis |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | 100 | activity levels at 37°C and 100°C are about 20% of that observed at the optimal temperature (75°C) | Thermococcus kodakarensis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
assay at | Thermococcus kodakarensis |
8.5 | - |
- |
Thermococcus kodakarensis |
Organism | Comment | Expression |
---|---|---|
Thermococcus kodakarensis | the transcription is specifically induced by GlcNAc2, suggesting the function of this gene in chitin catabolism in vivo. GlcNAc can not act as an inducer | up |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0068 | - |
GlcNAc-beta-1,4-GlcNAc-beta-1,4-GlcNAc | pH 8.5, 75°C | Thermococcus kodakarensis | |
0.77 | - |
2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranose | pH 8.5, 75°C | Thermococcus kodakarensis |