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Literature summary for 5.1.1.13 extracted from

  • Soda, K.
    PLP-dependent and independent amino acid racemase (1991), Enzymes Depend. Pyridoxal Phosphate Other Carbonyl Comp. Cofactors (Proc. Int. Symp. Vitam. B6 Carbonyl Catal. , Meeting Date 1990, Fukui T. , ed. ) Pergamon, Oxford, 8, 29-34.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
additional information
-
Enterococcus faecalis
additional information enzyme contains no bound pyridoxal phosphate Streptococcus thermophilus

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Streptococcus thermophilus

Inhibitors

Inhibitors Comment Organism Structure
2-Nitro-5-thiocyanobenzoate
-
Streptococcus thermophilus
additional information enzyme is not influenced by high concentrations of aspartate up to 500 mM; no inhibition by: hydroxylamine, sodium borohydride Streptococcus thermophilus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
8.7
-
D-Asp
-
Streptococcus thermophilus
35
-
L-Asp
-
Streptococcus thermophilus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
28000
-
2 * 28000, SDS-PAGE Streptococcus thermophilus

Organism

Organism UniProt Comment Textmining
Enterococcus faecalis
-
strain ATCC 9790, strain IAM 10065, no activity in strain IAM 10067
-
Streptococcus thermophilus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Enterococcus faecalis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
19.9
-
-
Streptococcus thermophilus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-Asp
-
Enterococcus faecalis D-Asp
-
?
L-Asp
-
Streptococcus thermophilus D-Asp
-
?
L-Cysteate
-
Streptococcus thermophilus D-Cysteate
-
?
L-Cysteine sulfinate
-
Streptococcus thermophilus D-Cysteine sulfinate
-
?

Subunits

Subunits Comment Organism
dimer 2 * 28000, SDS-PAGE Streptococcus thermophilus