Activating Compound | Comment | Organism | Structure |
---|---|---|---|
cholera toxin | a heterotrimeric G-protein agonist, stimulates the enzyme | Arabidopsis thaliana | |
cholera toxin | a heterotrimeric G-protein agonist, stimulates the enzyme | Secale cereale |
Protein Variants | Comment | Organism |
---|---|---|
additional information | mutant gpa1-3 is a heterotrimeric G-protein alpha-subunit deficient mutant generated by T-DNA insertion using the ecotype Col-0, agb1-2 is a heterotrimeric G-protein beta-subunit deficient mutant generated by T-DNA insertion | Arabidopsis thaliana |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
pertussis toxin | a heterotrimeric G-protein antagonist, inhibits the enzyme | Arabidopsis thaliana | |
pertussis toxin | a heterotrimeric G-protein antagonist, inhibits the enzyme | Secale cereale |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
plasma membrane | - |
Arabidopsis thaliana | 5886 | - |
plasma membrane | - |
Secale cereale | 5886 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Al3+ | exposure of the rye roots to Al3+ results in activation of GTPase, Al-induced secretion is inhibited by pertussis toxin | Secale cereale |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
45000 | - |
x * 45000, SDS-PAGE | Arabidopsis thaliana |
45000 | - |
x * 45000, SDS-PAGE | Secale cereale |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
GTP + H2O | Arabidopsis thaliana | - |
GDP + phosphate | - |
? | |
GTP + H2O | Secale cereale | - |
GDP + phosphate | - |
? | |
GTP + H2O | Arabidopsis thaliana Col-0 | - |
GDP + phosphate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | - |
- |
- |
Arabidopsis thaliana Col-0 | - |
- |
- |
Secale cereale | - |
cv. King | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
root | - |
Arabidopsis thaliana | - |
root | - |
Secale cereale | - |
root apex | - |
Secale cereale | - |
seedling | - |
Arabidopsis thaliana | - |
seedling | - |
Secale cereale | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
GTP + H2O | - |
Arabidopsis thaliana | GDP + phosphate | - |
? | |
GTP + H2O | - |
Secale cereale | GDP + phosphate | - |
? | |
GTP + H2O | - |
Arabidopsis thaliana Col-0 | GDP + phosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 45000, SDS-PAGE | Arabidopsis thaliana |
? | x * 45000, SDS-PAGE | Secale cereale |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.5 | - |
assay at | Secale cereale |
General Information | Comment | Organism |
---|---|---|
physiological function | possible involvement of heterotrimeric G-protein signaling in Al-induced secretion of organic acid anions in Arabidopsis. Secretion of organic acid anions from the roots in response to aluminum is a common mechanism for Al resistance in plants | Arabidopsis thaliana |
physiological function | possible involvement of heterotrimeric G-protein signaling in Al-induced secretion of organic acid anions in rye. Secretion of organic acid anions from the roots in response to aluminum is a common mechanism for Al resistance in plants | Secale cereale |