EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
4.2.1.2 | 0.0025 | - |
L-malate | isoform Fum2, pH 7.5, temperature not specified in the publication | Helianthus annuus | |
4.2.1.2 | 0.0125 | - |
L-malate | isoform Fum1, pH 7.5, temperature not specified in the publication | Helianthus annuus |
EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|---|
4.2.1.2 | cytosol | about 25% of total activity | Helianthus annuus | 5829 | - |
4.2.1.2 | mitochondrion | about 75% of total activity | Helianthus annuus | 5739 | - |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
4.2.1.2 | Mg2+ | 10fold activation of isoform Fum2 | Helianthus annuus | |
4.2.1.2 | Mg2+ | about 20fold activation of isoform Fum1 | Helianthus annuus | |
4.2.1.2 | Mn2+ | 15fold activation of isoform Fum2 | Helianthus annuus | |
4.2.1.2 | additional information | not activating: Ca2+, K+ | Helianthus annuus | |
4.2.1.2 | additional information | not activating: Ca2+, K+, Mn2+ | Helianthus annuus |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
4.2.1.2 | Helianthus annuus | A0A251UH44 | isoform Fum1 | - |
4.2.1.2 | Helianthus annuus | A0A251UZF1 | isoform Fum2 | - |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
4.2.1.2 | cotyledon | - |
Helianthus annuus | - |
4.2.1.2 | seed | expression of the mitochondrial (Fum1) and cytosolic (Fum2) isoforms increases during germination of sunflower seeds with the peak of the Fum1 gene on the second day and of the Fum2 gene on the third day | Helianthus annuus | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
4.2.1.2 | 5.43 | - |
isoform Fum2, pH 7.5, temperature not specified in the publication | Helianthus annuus |
4.2.1.2 | 5.97 | - |
isoform Fum1, pH 7.5, temperature not specified in the publication | Helianthus annuus |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.2.1.2 | L-malate | - |
Helianthus annuus | fumarate + H2O | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
4.2.1.2 | FUM1 | - |
Helianthus annuus |
4.2.1.2 | FUM2 | - |
Helianthus annuus |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
4.2.1.2 | 7.5 | - |
- |
Helianthus annuus |
4.2.1.2 | 8 | - |
- |
Helianthus annuus |