Cloned (Comment) | Organism |
---|---|
gene fra3, expression pattern, DNA and amino acid sequence determination and analysis, complementation of an enzyme-deficient mutant | Arabidopsis thaliana |
Protein Variants | Comment | Organism |
---|---|---|
additional information | construction of catalytically inactive fra3 missense mutants with an amino acid substitution in the conserved motif II of the catalytic domain, FRA3 overexpressing transgenic plants do not show a phenotype | Arabidopsis thaliana |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cell wall | - |
Arabidopsis thaliana | 5618 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required for activity, maximal activity at 3 mM | Arabidopsis thaliana |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + H2O | Arabidopsis thaliana | the enzyme is involved in regulation of 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate levels in stem | 1-phosphatidyl-1D-myo-inositol 4-phosphate + phosphate | - |
? | |
additional information | Arabidopsis thaliana | the enzyme is essential in secondary cell wall synthesis in fiber cells and xylem vessels, enzyme deficiency causes a high reduction in secondary cell wall thickness and stem stability due to altered actin organization in fiber cells | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | Q84W55 | gene fra3, i.e. FRAGILE FIBER3 | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
fiber | high expression of FRA3 | Arabidopsis thaliana | - |
stem | inflorescence stems | Arabidopsis thaliana | - |
vascular tissue | - |
Arabidopsis thaliana | - |
xylem | - |
Arabidopsis thaliana | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate + H2O | recombinant enzyme | Arabidopsis thaliana | 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate + phosphate | - |
? | |
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + H2O | the enzyme is involved in regulation of 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate levels in stem | Arabidopsis thaliana | 1-phosphatidyl-1D-myo-inositol 4-phosphate + phosphate | - |
? | |
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + H2O | preferred substrate of the recombinant enzyme | Arabidopsis thaliana | 1-phosphatidyl-1D-myo-inositol 4-phosphate + phosphate | - |
? | |
1D-myo-inositol 1,4,5-trisphosphate + H2O | recombinant enzyme | Arabidopsis thaliana | 1D-myo-inositol 1,4-bisphosphate + phosphate | - |
? | |
additional information | the enzyme is essential in secondary cell wall synthesis in fiber cells and xylem vessels, enzyme deficiency causes a high reduction in secondary cell wall thickness and stem stability due to altered actin organization in fiber cells | Arabidopsis thaliana | ? | - |
? | |
additional information | substrate specificity, no activity with 1D-myo-inositol 1,3,4,5-tetrakisphosphate, 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate, 1-phosphatidyl-1D-myo-inositol 5-phosphate, 1-phosphatidyl-1D-myo-inositol 4-phosphate, and 1-phosphatidyl-1D-myo-inositol 3-phosphate | Arabidopsis thaliana | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
More | the enzyme is composed of two domains, an N-terminal WD-repeat domain and a C-terminal catalytic domain | Arabidopsis thaliana |
Synonyms | Comment | Organism |
---|---|---|
5PTase | - |
Arabidopsis thaliana |
FRA3 | - |
Arabidopsis thaliana |
More | cf. EC 3.1.3.56, inositol polyphosphate 5-phosphatase | Arabidopsis thaliana |
type II 5PTase | - |
Arabidopsis thaliana |
type II inositol polyphosphate 5-phosphatase | - |
Arabidopsis thaliana |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
22 | - |
- |
Arabidopsis thaliana |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
22 | 37 | - |
Arabidopsis thaliana |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | 7.5 | - |
Arabidopsis thaliana |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 9 | - |
Arabidopsis thaliana |