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Literature summary for 2.6.1.11 extracted from

  • Billheimer, J.T.; Carnevale, H.N.; Leisinger, T.; Eckardt, T.; Jones, E.E.
    Ornithine delta-transaminase activity in Escherichia coli: its identity with acetylornithine delta-transaminase (1976), J. Bacteriol., 127, 1315-1323.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 2.6.1.11

Inhibitors

Inhibitors Comment Organism Structure
L-ornithine
-
 Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.48
-
 N2-Acetyl-L-ornithine wild type enzyme Escherichia coli
1.54
-
 N2-Acetyl-L-ornithine arginine-inducible enzyme Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
N-acetyl-L-glutamic gamma-semialdehyde + L-glutamate Escherichia coli fourth step in biosynthesis of arginine, arginine-repressible biosynthetic enzyme N2-acetyl-L-ornithine + 2-oxoglutarate
-
 ?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
 Escherichia coli W
-
Escherichia coli
-
 ornithine delta transaminase activity (EC 2.6.1.13) in Escherichia coli is due to acetylornithine delta transaminase and not to a separate specific ornithine delta transaminase
-

Purification (Commentary)

Purification (Comment) Organism
-
 Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information purified enzyme also has activity of EC 2.6.1.13 Escherichia coli ?
-
 ?
N-acetyl-L-glutamic gamma-semialdehyde + L-glutamate fourth step in biosynthesis of arginine, arginine-repressible biosynthetic enzyme Escherichia coli N2-acetyl-L-ornithine + 2-oxoglutarate
-
 ?
Nalpha-acetyl-L-ornithine + 2-oxoglutarate
-
 Escherichia coli N-acetyl-L-glutamate 5-semialdehyde + L-glutamate
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
 assay at Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
 Escherichia coli

pH Range

pH Minimum pH Maximum Comment Organism
7 9 about 35% of activity maximum at pH 7.0 and 9.0 Escherichia coli