Activating Compound | Comment | Organism | Structure |
---|---|---|---|
D-glucose | - |
Allium sativum | |
L-aspartic acid | - |
Allium sativum | |
L-cysteine | - |
Allium sativum | |
L-lysine | - |
Allium cepa | |
L-proline | - |
Allium cepa |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | at 2 mM | Allium cepa | |
D-glucose | - |
Allium cepa | |
L-aspartic acid | - |
Allium cepa |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | activates at 2 mM | Allium sativum | |
Fe2+ | activates at 2 mM | Allium sativum | |
Mg2+ | activates at 2 mM | Allium sativum | |
Mn2+ | activates at 2 mM | Allium sativum | |
additional information | no significant effect by Ca2+ and Zn2+ at 2 mM | Allium sativum | |
additional information | no significant effect by Mn2+, Zn2+, Ca2+, and Mg2+ at 2 mM | Allium cepa |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Allium cepa | Q6R2X1 | var. agrogatum | - |
Allium sativum | A0A0B6VSN3 | - |
- |
Purification (Comment) | Organism |
---|---|
native enzyme from bulbs by ammonium sulfate fractionation, hydrophobic interaction chromatography, and gel filtration | Allium sativum |
native enzyme from bulbs by ammonium sulfate fractionation, hydrophobic interaction chromatography, and gel filtration | Allium cepa |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
bulb | - |
Allium cepa | - |
bulb | dormant | Allium sativum | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | the transpeptidase activity of BlGGT towards the acceptor substrate is evaluated using the chromophoric substrate, L-gamma-Glu-4-NA, as a gamma-glutamyl donor, quantitative measurement of release of 4-nitroaniline | Allium sativum | ? | - |
- |
|
additional information | the transpeptidase activity of BlGGT towards the acceptor substrate is evaluated using the chromophoric substrate, L-gamma-Glu-4-NA, as a gamma-glutamyl donor, quantitative measurement of release of 4-nitroaniline | Allium cepa | ? | - |
- |
Subunits | Comment | Organism |
---|---|---|
? | x * 53000, SDS-PAGE | Allium sativum |
? | x * 55000 + x * 22000, SDS-PAGE | Allium cepa |
Synonyms | Comment | Organism |
---|---|---|
AsGGT1 | - |
Allium sativum |
gamma-glutamyltranspeptidase | - |
Allium sativum |
gamma-glutamyltranspeptidase | - |
Allium cepa |
GGT | - |
Allium sativum |
GGT | - |
Allium cepa |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Allium cepa |
70 | - |
- |
Allium sativum |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 80 | over 50% of maximal activity within this range, profile overview | Allium sativum |
30 | 75 | active at, inactive above, profile overview | Allium cepa |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
- |
Allium sativum |
7 | - |
- |
Allium cepa |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
3 | 11 | active at, inactive below, profile overview | Allium cepa |
4 | 11 | active at, inactive above, profile overview | Allium sativum |
General Information | Comment | Organism |
---|---|---|
physiological function | gamma-glutamyltranspeptidase is an organosulfur compound (GGT) and catalyzes the transfer of gamma-glutamyl groups from gamma-glutamylpeptides to other peptides, amino acids, or water | Allium sativum |
physiological function | gamma-glutamyltranspeptidases (GGTs) catalyze the transfer of gamma-glutamyl groups from gamma-glutamylpeptides to other peptides, amino acids, or water | Allium cepa |