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Literature summary for 5.4.99.5 extracted from

  • Goers, S.K.; Jensen, R.A.
    Separation and characterization of two chorismate-mutase isoenzymes from Nicotiana silvestris (1984), Planta, 162, 109-116.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.24
-
chorismate enzyme form CM2 Nicotiana sylvestris
1.7
-
chorismate enzyme form CM1, weak positive cooperativity Nicotiana sylvestris

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol enzyme form CM2 Nicotiana sylvestris 5829
-
plastid chloroplasts or proplastids, enzyme form CM1 Nicotiana sylvestris 9536
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52000
-
enzyme form CM1, gel filtration Nicotiana sylvestris
65000
-
enzyme form CM2, gel filtration Nicotiana sylvestris

Organism

Organism UniProt Comment Textmining
Nicotiana sylvestris
-
2 enzyme forms: CM1 and CM2
-

Purification (Commentary)

Purification (Comment) Organism
partial Nicotiana sylvestris

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture the major fraction is formed by enzyme form CM2 Nicotiana sylvestris
-
leaf major fraction is formed by enzyme form CM1 Nicotiana sylvestris
-

Storage Stability

Storage Stability Organism
0°C or -20°C, enzyme form CM1, stable for at least 1 month Nicotiana sylvestris
0°C or -20°C, enzyme form CM2, stable for at least 2 weeks Nicotiana sylvestris

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Chorismate
-
Nicotiana sylvestris Prephenate
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
20 min, no denaturation, enzyme form CM1 and CM2 Nicotiana sylvestris
52
-
20 min, 50% loss of activity, enzyme form CM1 Nicotiana sylvestris
52
-
5 min, more than 50% loss of activity, enzyme form CM2 Nicotiana sylvestris

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 8 enzyme form CM1 and CM2 Nicotiana sylvestris