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Literature summary for 3.5.1.33 extracted from
- Concerted action of diacetylchitobiose deacetylase and exo-beta-D-glucosaminidase in a novel chitinolytic pathway in the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1 (2004), J. Biol. Chem., 279, 30021-30027.
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| expression in Escherichia coli | Thermococcus kodakarensis |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 127 | - |
N-acetyl-D-glucosamine | pH 8.5, 75°C | Thermococcus kodakarensis |  |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cytoplasm | - |
Thermococcus kodakarensis | 5737 | - |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 30000 | - |
6 * 30000, SDS-PAGE | Thermococcus kodakarensis |
| 160000 | - |
gel filtration | Thermococcus kodakarensis |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| N-acetyl-D-glucosamine + H2O | Thermococcus kodakarensis | the enzyme is probably involved in archaeal chitin catabolic pathway | D-glucosamine + acetate | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Thermococcus kodakarensis | Q6F4N1 | - |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Thermococcus kodakarensis |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| N-acetyl-D-glucosamine + H2O | - |
Thermococcus kodakarensis | D-glucosamine + acetate | - |
? | |
| N-acetyl-D-glucosamine + H2O | the enzyme is probably involved in archaeal chitin catabolic pathway | Thermococcus kodakarensis | D-glucosamine + acetate | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| homohexamer | 6 * 30000, SDS-PAGE | Thermococcus kodakarensis |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| Tk-Dac | - |
Thermococcus kodakarensis |
| TK1764 | locus name | Thermococcus kodakarensis |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 70 | - |
assay at | Thermococcus kodakarensis |
| 75 | - |
- |
Thermococcus kodakarensis |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8 | - |
assay at | Thermococcus kodakarensis |
| 8.5 | - |
- |
Thermococcus kodakarensis |
Expression
| Organism | Comment | Expression |
|---|---|---|
| Thermococcus kodakarensis | the transcription is specifically induced by N,N'-diacetylchitobiose, suggesting the function of this gene in chitin catabolism in vivo. N-acetyl-D-glucosamine can not act as an inducer | up |
kcat/KM [mM/s]
| kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.53 | - |
N-acetyl-D-glucosamine | pH 8.5, 75°C | Thermococcus kodakarensis | |
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Release 2023.1 (January 2023)
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