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Literature summary extracted from

  • Fischer, R.; Jensen, R.
    Prephenate dehydratase (monofunctional) (1987), Methods Enzymol., 142, 507-512.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
4.2.1.51 L-leucine activation Bacillus subtilis
4.2.1.51 L-methionine activation Bacillus subtilis

General Stability

EC Number General Stability Organism
4.2.1.51 octameric form, whose aggregation is caused by activator molecules is stable, while the dimeric form can be stabilized by glycerol Bacillus subtilis

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.2.1.51 L-phenylalanine
-
Bacillus subtilis
4.2.1.51 L-tryptophan
-
Bacillus subtilis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.2.1.51 35000
-
1 * 35000, inactive enzyme in absence of activating molecules Bacillus subtilis
4.2.1.51 35000
-
2 * 35000, slightly active Bacillus subtilis
4.2.1.51 35000
-
8 * 35000, presence of activating molecules Bacillus subtilis
4.2.1.51 55000
-
absence of activating molecules, gel filtration Bacillus subtilis
4.2.1.51 210000
-
presence of activating molecules, gel filtration Bacillus subtilis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.2.1.51 prephenate Bacillus subtilis
-
?
-
?

Organism

EC Number Organism UniProt Comment Textmining
4.2.1.51 Bacillus subtilis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.1.51
-
Bacillus subtilis

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.2.1.51 17.5
-
-
Bacillus subtilis

Storage Stability

EC Number Storage Stability Organism
4.2.1.51 4°C, 20% glycerol or presence of L-Met, L-Leu, prephenate, stable for several months Bacillus subtilis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.1.51 prephenate
-
Bacillus subtilis phenylpyruvate + H2O + CO2
-
?
4.2.1.51 prephenate
-
Bacillus subtilis ?
-
?

Subunits

EC Number Subunits Comment Organism
4.2.1.51 dimer 2 * 35000, slightly active Bacillus subtilis
4.2.1.51 monomer 1 * 35000, inactive enzyme in absence of activating molecules Bacillus subtilis
4.2.1.51 octamer 8 * 35000, presence of activating molecules Bacillus subtilis