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Literature summary extracted from

  • Li, Y.; Tang, X.; Yang, L.; Yu, Y.; Li, X.
    Possible involvement of heterotrimeric G-protein signaling in Al-induced secretion of organic acid anions in Arabidopsis and rye (2015), Plant Soil, 388, 55-63.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.6.5.1 cholera toxin a heterotrimeric G-protein agonist, stimulates the enzyme Arabidopsis thaliana
3.6.5.1 cholera toxin a heterotrimeric G-protein agonist, stimulates the enzyme Secale cereale

Protein Variants

EC Number Protein Variants Comment Organism
3.6.5.1 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

EC Number Inhibitors Comment Organism Structure
3.6.5.1 pertussis toxin a heterotrimeric G-protein antagonist, inhibits the enzyme Arabidopsis thaliana
3.6.5.1 pertussis toxin a heterotrimeric G-protein antagonist, inhibits the enzyme Secale cereale

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.6.5.1 plasma membrane
-
 Arabidopsis thaliana 5886
-
3.6.5.1 plasma membrane
-
 Secale cereale 5886
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.6.5.1 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]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.6.5.1 45000
-
 x * 45000, SDS-PAGE Arabidopsis thaliana
3.6.5.1 45000
-
 x * 45000, SDS-PAGE Secale cereale

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.6.5.1 GTP + H2O Arabidopsis thaliana
-
 GDP + phosphate
-
 ?
3.6.5.1 GTP + H2O Secale cereale
-
 GDP + phosphate
-
 ?
3.6.5.1 GTP + H2O Arabidopsis thaliana Col-0
-
 GDP + phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.6.5.1 Arabidopsis thaliana
-
-
-
3.6.5.1 Arabidopsis thaliana Col-0
-
-
-
3.6.5.1 Secale cereale
-
 cv. King
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.6.5.1 root
-
 Arabidopsis thaliana
-
3.6.5.1 root
-
 Secale cereale
-
3.6.5.1 root apex
-
 Secale cereale
-
3.6.5.1 seedling
-
 Arabidopsis thaliana
-
3.6.5.1 seedling
-
 Secale cereale
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.6.5.1 GTP + H2O
-
 Arabidopsis thaliana GDP + phosphate
-
 ?
3.6.5.1 GTP + H2O
-
 Secale cereale GDP + phosphate
-
 ?
3.6.5.1 GTP + H2O
-
 Arabidopsis thaliana Col-0 GDP + phosphate
-
 ?

Subunits

EC Number Subunits Comment Organism
3.6.5.1 ? x * 45000, SDS-PAGE Arabidopsis thaliana
3.6.5.1 ? x * 45000, SDS-PAGE Secale cereale

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.6.5.1 4.5
-
 assay at Secale cereale

General Information

EC Number General Information Comment Organism
3.6.5.1 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
3.6.5.1 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