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Literature summary extracted from

  • Maudinas, B.; Bucholtz, M.L.; Papastephanou, C.; Katiyar, S.S.; Briedis, A.V.; Porter, J.W.
    The partial purification and properties of a phytoene synthesizing enzyme system (1977), Arch. Biochem. Biophys., 180, 354-362.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.5.1.32 NADPH
-
 Solanum lycopersicum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.5.1.32 plastid
-
 Solanum lycopersicum 9536
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.5.1.32 200000
-
 phytoene synthesizing enzyme system, gel filtration Solanum lycopersicum

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.32 Solanum lycopersicum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.5.1.32
-
 Solanum lycopersicum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.5.1.32 fruit
-
 Solanum lycopersicum
-

Storage Stability

EC Number Storage Stability Organism
2.5.1.32 activity can be maintained if 30% glycerol and 10 mM dithiothreitol are present during storage of the enzyme system Solanum lycopersicum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.32 geranylgeranyl diphosphate + geranylgeranyl diphosphate
-
 Solanum lycopersicum prephytoene diphosphate + diphosphate
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.5.1.32 23 32
-
 Solanum lycopersicum

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
2.5.1.32 12 37 12°C: about 60% of maximal activity, 37°C: about 20% of maximal activity Solanum lycopersicum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.5.1.32 6.8
-
-
 Solanum lycopersicum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.5.1.32 6.4 7.3 pH 6.4: about 45% of maximal activity, pH 7.3: about 70% of maximal activity Solanum lycopersicum