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Literature summary extracted from

  • Eprintsev, A.; Fedorin, D.; Starinina, E.; Igamberdiev, A.
    Expression and properties of the mitochondrial and cytosolic forms of fumarase in germinating maize seeds (2014), Physiol. Plant., 152, 231-240.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.1.2 0.005
-
 S-malate pH 6.5 cytosolic form, Vmax: 4.5 micromol/min/mg, temperature not specified in the publication Zea mays
4.2.1.2 0.05
-
 S-malate pH 7 mitochondrial, Vmax: 0.3 micromol/min/mg, temperature not specified in the publication Zea mays

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
4.2.1.2 cytosol
-
 Zea mays 5829
-
4.2.1.2 mitochondrion
-
 Zea mays 5739
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.2.1.2 Mg2+ cytosolic form gets strongly activated, mitochondrial form only moderately activated Zea mays
4.2.1.2 Mn2+ cytosolic form gets strongly activated, mitochondrial form only less effectively activated Zea mays

Organism

EC Number Organism UniProt Comment Textmining
4.2.1.2 Zea mays
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.1.2 using fractionation by (NH4)2SO4, gel filtration of Sephadex G-25 and ion exchange chromatography of DEAE cellulose Zea mays

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.2.1.2 leaf localisation is only mitochondrial Zea mays
-
4.2.1.2 scutellum highest fumarase activity detected Zea mays
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.1.2 S-malate
-
 Zea mays fumarate + H2O
-
 ?

Synonyms

EC Number Synonyms Comment Organism
4.2.1.2 fumarase
-
 Zea mays

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.1.2 6.5
-
 cytosolic form Zea mays
4.2.1.2 7
-
 mitochondrial form Zea mays