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Literature summary for 2.5.1.54 extracted from

  • Pinto, J.E.B.P.; Suzich, J.A.; Herrmann, K.M.
    3-Deoxy-D-arabino-heptulosonate 7-phosphate synthase from potato tuber (Solanum tuberosum L.) (1986), Plant Physiol., 82, 1040-1044.
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
Chorismic acid stimulates Solanum tuberosum
L-Trp activates Solanum tuberosum

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Solanum tuberosum
Fe2+
-
Solanum tuberosum
Zn2+
-
Solanum tuberosum

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ slightly stimulating Solanum tuberosum
Mg2+ slightly Solanum tuberosum
Mn2+ stimulates Solanum tuberosum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
54000
-
2 * 54000, SDS-PAGE Solanum tuberosum
110000
-
gel filtration Solanum tuberosum

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
820fold Solanum tuberosum

Source Tissue

Source Tissue Comment Organism Textmining
tuber
-
Solanum tuberosum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
16.4
-
purified enzyme Solanum tuberosum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphoenolpyruvate + D-erythrose 4-phosphate + H2O
-
Solanum tuberosum 2-dehydro-3-deoxy-D-arabino-heptonate 7-phosphate + phosphate
-
?

Subunits

Subunits Comment Organism
dimer 2 * 54000, SDS-PAGE Solanum tuberosum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
2 forms with pIs of pH 8.4 and pH 7.8 Solanum tuberosum
7
-
-
Solanum tuberosum

pH Range

pH Minimum pH Maximum Comment Organism
6 7.6 pH 6.0: about 30% of maximal activity, pH 7.6: about 60% of maximal activity Solanum tuberosum