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Literature summary for 5.1.1.15 extracted from

  • Ahmed, S.A.; Esaki, N.; Tanaka, H.; Soda, K.
    Racemization of alpha-amino-delta-valerolactam catalyzed by alpha-amino-epsilon-caprolactam racemase from Achromobacter obae (1983), Agric. Biol. Chem., 47, 1149-1150.
No PubMed abstract available
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Application

Application Comment Organism
synthesis Achromobacter obae which produces alpha-amino-epsilon-caprolactam racemase, is utilized in industry to produce L-Lys from DL-alpha-amino-epsilon-caprolactam with a high yield in the presence of Cryptococcus laurentii, an L-alpha-amino-epsilon caprolactamase producing yeast Achromobacter obae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.9
-
 L-alpha-Amino-delta-valerolactam
-
 Achromobacter obae

Organism

Organism UniProt Comment Textmining
Achromobacter obae
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-alpha-Amino-delta-valerolactam
-
 Achromobacter obae D-alpha-Amino-delta-valerolactam
-
 ?
L-alpha-Amino-epsilon-caprolactam
-
 Achromobacter obae D-alpha-Amino-epsilon-caprolactam
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
 L-alpha-amino-delta-valerolactam Achromobacter obae

pH Range

pH Minimum pH Maximum Comment Organism
6 8 pH 6.0: about 60% of maximal activity, pH 8.0: about 50% of maximal activity, L-alpha-amino-delta-valerolactam Achromobacter obae
6 9.5 pH 6.0: about 40% of maximal activity, pH 9.5: about 60% of maximal activity, L-alpha-amino-beta-thio-epsilon-caprolactam Achromobacter obae