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Literature summary extracted from
- beta-Galactosidase from bovine testes (1978), Methods Enzymol., 50, 514-520.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.23 | D-galactal | - |
Bos taurus |  |
| 3.2.1.23 | D-galactose | - |
Bos taurus | |
| 3.2.1.23 | methyl beta-galactopyranoside | - |
Bos taurus | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.23 | 68000 | - |
gel filtration | Bos taurus |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.23 | Bos taurus | - |
- |
- |
Posttranslational Modification
| EC Number | Posttranslational Modification | Comment | Organism |
|---|---|---|---|
| 3.2.1.23 | glycoprotein | contains 0.00027 mM mannose per mg of protein and 0.00015 mM of glucosamine per mg of protein | Bos taurus |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.23 | - |
Bos taurus |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 3.2.1.23 | testis | - |
Bos taurus | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.23 | additional information | - |
- |
Bos taurus |
Storage Stability
| EC Number | Storage Stability | Organism |
|---|---|---|
| 3.2.1.23 | -20°C, 30% glycerol, stable | Bos taurus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.23 | ceramide lacto-N-tetraose + H2O | - |
Bos taurus | beta-D-galactose + ? | - |
? | |
| 3.2.1.23 | glycolipid GM1 ganglioside + H2O | - |
Bos taurus | beta-D-galactose + ? | - |
? | |
| 3.2.1.23 | keratan sulfate + H2O | - |
Bos taurus | beta-D-galactose + ? | - |
? | |
| 3.2.1.23 | lactosyl ceramide + H2O | - |
Bos taurus | ? | - |
? | |
| 3.2.1.23 | o-nitrophenyl-beta-D-galactoside + H2O | - |
Bos taurus | o-nitrophenol + beta-D-galactose | - |
? | |
| 3.2.1.23 | p-nitrophenyl alpha-L-arabinoside + H2O | - |
Bos taurus | p-nitrophenol + alpha-L-arabinose | - |
? | |
| 3.2.1.23 | p-nitrophenyl-beta-D-galactoside + H2O | - |
Bos taurus | p-nitrophenol + beta-D-galactose | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.2.1.23 | monomer | 1 * 68000, SDS-PAGE | Bos taurus |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.23 | 4.3 | - |
- |
Bos taurus |
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Release 2023.1 (January 2023)
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