Inhibitors | Comment | Organism | Structure |
---|---|---|---|
D-galactose | competitive product inhibition | Hymenaea courbaril |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
xyloglucan oligosaccharides + H2O | Hymenaea courbaril | the enzyme hcbetagal is involved in storage xyloglucan mobilisation during seedling development, hcbetagal might be one of the biochemical control points in xyloglucan catabolism in vivo | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Hymenaea courbaril | - |
a legume tree from the Neotropical region of the world | - |
Purification (Comment) | Organism |
---|---|
native xyloglucan-specific enzyme 13.5fold from cotyledon of developing seedlings by ammonium sulfate fractionation, anion exchange chromatography, and gel filtration | Hymenaea courbaril |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cotyledon | of developing seedlings | Hymenaea courbaril | - |
flower | - |
Hymenaea courbaril | - |
fruit | ripening | Hymenaea courbaril | - |
leaf | - |
Hymenaea courbaril | - |
seedling | - |
Hymenaea courbaril | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.581 | - |
purified enzyme | Hymenaea courbaril |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-nitrophenyl beta-D-galactopyranoside + H2O | low activity | Hymenaea courbaril | 2-nitrophenol + beta-D-galactose | - |
? | |
4-nitrophenyl beta-D-galactopyranoside + H2O | - |
Hymenaea courbaril | 4-nitrophenol + beta-D-galactose | - |
? | |
4-nitrophenyl beta-D-glucopyranoside + H2O | low activity | Hymenaea courbaril | 4-nitrophenol + beta-D-glucose | - |
? | |
lactose + H2O | - |
Hymenaea courbaril | D-glucose + D-galactose | - |
? | |
additional information | no activity with xylose- or mannose-containing substrates | Hymenaea courbaril | ? | - |
? | |
xyloglucan oligosaccharides + H2O | the enzyme hcbetagal is involved in storage xyloglucan mobilisation during seedling development, hcbetagal might be one of the biochemical control points in xyloglucan catabolism in vivo | Hymenaea courbaril | ? | - |
? | |
xyloglucan oligosaccharides + H2O | the enzyme hcbetagal is specific for xyloglucan oligosaccharides, but does not attack the polymer | Hymenaea courbaril | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 52000-62000 | Hymenaea courbaril |
Synonyms | Comment | Organism |
---|---|---|
hcbetagal | - |
Hymenaea courbaril |
XG-specific beta-galactosidase | - |
Hymenaea courbaril |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Hymenaea courbaril |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
3 | 4 | - |
Hymenaea courbaril |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
3.7 | - |
D-galactose | pH 3.0-4.0, 30°C | Hymenaea courbaril |