Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Petunia sp. |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-(3-benzoylphenyl)-3,5,7-trihydroxychromen-4-one | irreversible inhibitor, the effects of the inhibitor are mediated by UV-A light treatment, binding characteristics, kaempferol protects against inhibition | Petunia sp. |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0011 | - |
kaempferol | - |
Petunia sp. |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
additional information | localization of F3GalTase in pollen | Petunia sp. | - |
- |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-galactose + kaempferol | Petunia sp. | role in pollen germination, F3GalTase is a gametophyte-specific enzyme, that controls the accumulation of glycosylated flavonols in pollen | UDP + kaempferol 3-O-beta-D-galactoside | endogenous product in pollen, which stimulates pollen germination | r | |
UDP-galactose + quercetin | Petunia sp. | role in pollen germination, F3GalTase is a gametophyte-specific enzyme, that controls the accumulation of glycosylated flavonols in pollen | UDP + quercetin 3-O-beta-D-galactoside | endogenous product in pollen, which stimulates pollen germination | r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Petunia sp. | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
gametophyte | gametophyte-specific enzyme | Petunia sp. | - |
pollen | CMF | Petunia sp. | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-galactose + 2-(3-benzoylphenyl)-3,5,7-trihydroxychromen-4-one | 20-30% of the activity with kaempferol as substrate | Petunia sp. | UDP + 2-(3-benzoylphenyl)-3,5,7-trihydroxychromen-4-one galactoside | - |
? | |
UDP-galactose + kaempferol | role in pollen germination, F3GalTase is a gametophyte-specific enzyme, that controls the accumulation of glycosylated flavonols in pollen | Petunia sp. | UDP + kaempferol 3-O-beta-D-galactoside | endogenous product in pollen, which stimulates pollen germination | r | |
UDP-galactose + kaempferol | F3GalTase is a highly discriminating and efficient enzyme | Petunia sp. | UDP + kaempferol 3-O-beta-D-galactoside | - |
r | |
UDP-galactose + quercetin | role in pollen germination, F3GalTase is a gametophyte-specific enzyme, that controls the accumulation of glycosylated flavonols in pollen | Petunia sp. | UDP + quercetin 3-O-beta-D-galactoside | endogenous product in pollen, which stimulates pollen germination | r | |
UDP-galactose + quercetin | F3GalTase is a highly discriminating and efficient enzyme | Petunia sp. | UDP + quercetin 3-O-beta-D-galactoside | - |
r |
Subunits | Comment | Organism |
---|---|---|
monomer | - |
Petunia sp. |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
reverse activity | Petunia sp. |
8 | - |
forward activity | Petunia sp. |