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Literature summary for 4.3.3.7 extracted from

  • Halling, S.M.; Stahly, D.P.
    Dihydrodipicolinic acid synthase of Bacillus licheniformis. Quaternary structure, kinetics, and stability in the presence of sodium chloride and substrates (1976), Biochim. Biophys. Acta, 452, 580-596.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.5 3 pyruvate
-
Bacillus licheniformis
5
-
L-aspartate-4-semialdehyde
-
Bacillus licheniformis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
28000
-
4 * 28000, SDS-PAGE Bacillus licheniformis
108000 117000 gel filtration Bacillus licheniformis

Organism

Organism UniProt Comment Textmining
Bacillus licheniformis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Bacillus licheniformis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Bacillus licheniformis

Storage Stability

Storage Stability Organism
2-4°C Bacillus licheniformis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-aspartate-4-semialdehyde + pyruvate
-
Bacillus licheniformis dihydrodipicolinate + H2O
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 28000, SDS-PAGE Bacillus licheniformis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
74 79 inactivation energy: 117000 cal/mol, change in free energy, DELTAF: 23400 cal/mol, change in enthalpy, DELTAH: 113500 cal/mol, change in entropy DELTAS: 259 cal/degre e/mol Bacillus licheniformis
80
-
no reactivation after heating to 80°C, pyruvate increases thermostability Bacillus licheniformis