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Literature summary extracted from

  • Xiong, Y.; DeFraia, C.; Williams, D.; Zhang, X.; Mou, Z.
    Deficiency in a cytosolic ribose-5-phosphate isomerase causes chloroplast dysfunction, late flowering and premature cell death in Arabidopsis (2009), Physiol. Plant., 137, 249-263.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
5.3.1.6 gene RPI2, phylogenetic analysis Arabidopsis thaliana

Protein Variants

EC Number Protein Variants Comment Organism
5.3.1.6 additional information construction of T-DNA knockout mutants of the RPI2 gene, which encodes the cytosolic ribose-5-phosphate isomerase. Knockout of the RPI2 gene does not significantly change the total RPI activity in the mutant plants, but knockout of RPI2 interferes with chloroplast structure and decreases chloroplast photosynthetic capacity. Rpi2 mutants accumulate less starch in the leaves and flower significantly later than wild-type when grown under short-day conditions, and rpi2 mutants display premature cell death in the leaves when grown at an above-normal temperature of 26°C, phenotypes, detailed overview Arabidopsis thaliana

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
5.3.1.6 cytosol
-
Arabidopsis thaliana 5829
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5.3.1.6 D-ribose-5-phosphate Arabidopsis thaliana the cytosolic ribose-5-phosphate isomerase catalyzes the reversible interconversion of ribulose-5-phosphate and ribose-5-phosphate in the non-oxidative phase of the oxidative pentose phosphate pathway D-ribulose-5-phosphate
-
?

Organism

EC Number Organism UniProt Comment Textmining
5.3.1.6 Arabidopsis thaliana Q9ZU38 gene RPI2, At2g01290
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Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.3.1.6 D-ribose-5-phosphate
-
Arabidopsis thaliana D-ribulose-5-phosphate
-
?
5.3.1.6 D-ribose-5-phosphate the cytosolic ribose-5-phosphate isomerase catalyzes the reversible interconversion of ribulose-5-phosphate and ribose-5-phosphate in the non-oxidative phase of the oxidative pentose phosphate pathway Arabidopsis thaliana D-ribulose-5-phosphate
-
?

Synonyms

EC Number Synonyms Comment Organism
5.3.1.6 RPI
-
Arabidopsis thaliana
5.3.1.6 RPI2 protein
-
Arabidopsis thaliana

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
5.3.1.6 37
-
assay at Arabidopsis thaliana

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3.1.6 7.4
-
assay at Arabidopsis thaliana

General Information

EC Number General Information Comment Organism
5.3.1.6 malfunction deficiency in a cytosolic ribose-5-phosphate isomerase causes chloroplast dysfunction, late flowering and premature cell death in Arabidopsis thaliana Arabidopsis thaliana
5.3.1.6 metabolism the cytosolic ribose-5-phosphate isomerase catalyzes the reversible interconversion of ribulose-5-phosphate and ribose-5-phosphate in the non-oxidative phase of the oxidative pentose phosphate pathway, which is part of central metabolism Arabidopsis thaliana