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Literature summary for 5.1.1.10 extracted from

  • Soda, K.; Osumi, T.
    Amino acid racemase (Pseudomonas striata) (1971), Methods Enzymol., 17, 629-636.
No PubMed abstract available

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Pseudomonas putida

Inhibitors

Inhibitors Comment Organism Structure
D-cycloserine
-
Pseudomonas putida
hydroxylamine
-
Pseudomonas putida

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
30
-
D-Lys
-
Pseudomonas putida
33
-
L-Leu L-2-aminobutyrate Pseudomonas putida
35
-
L-ethionine
-
Pseudomonas putida
36
-
L-2-aminobutyrate L-Ala Pseudomonas putida
38
-
L-Met
-
Pseudomonas putida

Organism

Organism UniProt Comment Textmining
Pseudomonas putida
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas putida

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
708.4
-
-
Pseudomonas putida

Storage Stability

Storage Stability Organism
0-5°C, 0.01 M potassium phosphate buffer, pH 7.0, 2 mM pyridoxal 5'-phosphate, 1 month, stable Pseudomonas putida

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-2,4-Diaminobutyrate 10% of the activity relative to D-Lys Pseudomonas putida L-2,4-Diaminobutyrate
-
?
D-Arg 60% of the activity relative to D-Lys Pseudomonas putida L-Arg
-
?
L-2-Aminobutyrate 4.7% of the activity relative to D-Lys Pseudomonas putida D-2-Aminobutyrate
-
?
L-Ala 9% of the activity relative to D-Lys Pseudomonas putida D-Ala
-
?
L-Citrulline 16% of the activity relative to D-Lys Pseudomonas putida D-Citrulline
-
?
L-Ethionine 76% of the activity relative to D-Lys Pseudomonas putida D-Ethionine
-
?
L-His 1.8% of the activity relative to D-Lys Pseudomonas putida D-His
-
?
L-Leu 3% of the activity relative to D-Lys Pseudomonas putida D-Leu
-
?
L-Lys
-
Pseudomonas putida D-Lys
-
?
L-Met 48% of the activity relative to D-Lys Pseudomonas putida D-Met
-
?
L-Ser 8.7% of the activity relative to D-Lys Pseudomonas putida D-Ser
-
?
additional information no activity with: D-Glu, L-Ile, L-Phe, L-Thr, L-Val Pseudomonas putida ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8.5
-
Pseudomonas putida

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate Km: 0.2 mM Pseudomonas putida
pyridoxal 5'-phosphate holoenzyme contains 2 mol of pyridoxal 5'-phosphate per mol of enzyme Pseudomonas putida