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Literature summary for 3.2.1.24 extracted from
- alpha-Mannosidase and beta-mannosidase from the liver of Turbo cortunus: Purification, properties and application in carbohydrate research (1967), J. Biochem., 62, 700-709.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| NaCl | 50% activation up to 1.5 M | Turbo cornutus |  |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| cysteine | 31% inhibition at 0.02 mM | Turbo cornutus | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 2.3 | - |
p-nitrophenyl-alpha-D-mannopyranoside | - |
Turbo cornutus | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Zn2+ | slight activation at 0.02 mM | Turbo cornutus | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| glycopeptide + H2O | Turbo cornutus | from ovalbumin | alpha-D-mannopyranose + ? | - |
? | |
| mannosyl rhamnose + H2O | Turbo cornutus | part of the repeating oligosaccharide unit of the O-antigenic lipopolysaccharide in Salmonella typhimurium | alpha-D-mannopyranose + rhamnose | - |
? | |
| TAKA-amylase A + H2O | Turbo cornutus | - |
alpha-D-mannopyranose + ? | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Turbo cornutus | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| near homogeneity, chromatography steps | Turbo cornutus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| liver | - |
Turbo cornutus | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| glycopeptide + H2O | from ovalbumin | Turbo cornutus | alpha-D-mannopyranose + ? | - |
? | |
| mannosyl rhamnose + H2O | part of the repeating oligosaccharide unit of the O-antigenic lipopolysaccharide in Salmonella typhimurium | Turbo cornutus | alpha-D-mannopyranose + rhamnose | - |
? | |
| p-nitrophenyl-alpha-D-mannopyranoside + H2O | - |
Turbo cornutus | p-nitrophenol + alpha-D-mannopyranose | - |
? | |
| TAKA-amylase A + H2O | - |
Turbo cornutus | alpha-D-mannopyranose + ? | - |
? | |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| -20 | - |
no loss of activity within 3 months | Turbo cornutus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4 | - |
- |
Turbo cornutus |
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