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Literature summary for 5.3.1.22 extracted from

  • De Windt, F.E.; van der Drift, C.
    Purification and some properties of hydroxypyruvate isomerase of Bacillus fastidiosus (1980), Biochim. Biophys. Acta, 613, 556-562.
    View publication on PubMed

General Stability

General Stability Organism
loss of activity by vacuum dialysis at 4°C or by freezing Metabacillus fastidiosus

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ 0.1 mM, 57% inhibition Metabacillus fastidiosus
Fe2+ 0.1 mM, 18% inhibition Metabacillus fastidiosus
hydroxylamine 20 mM, 60% inhibition Metabacillus fastidiosus
iodoacetate 0.7 mM, 100% inhibition Metabacillus fastidiosus
NaCN 2.5 mM, 21% inhibition Metabacillus fastidiosus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
10
-
Hydroxypyruvate
-
Metabacillus fastidiosus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
45000
-
6 * 45000, SDS-PAGE Metabacillus fastidiosus
265000
-
gel filtration Metabacillus fastidiosus

Organism

Organism UniProt Comment Textmining
Metabacillus fastidiosus
-
strain DSM 83
-

Purification (Commentary)

Purification (Comment) Organism
-
Metabacillus fastidiosus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3125
-
-
Metabacillus fastidiosus

Storage Stability

Storage Stability Organism
4°C, stable for 1 month Metabacillus fastidiosus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Hydroxypyruvate r Metabacillus fastidiosus 2-Hydroxy-3-oxopropanoate r ?

Subunits

Subunits Comment Organism
hexamer 6 * 45000, SDS-PAGE Metabacillus fastidiosus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
57
-
-
Metabacillus fastidiosus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
67
-
10 min stable Metabacillus fastidiosus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.6 7.4
-
Metabacillus fastidiosus

pH Range

pH Minimum pH Maximum Comment Organism
5.4 8.5 50% of maximal activity at pH 5.4 and 8.5 Metabacillus fastidiosus