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Literature summary 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

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.6.1.11 L-ornithine
-
 Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.6.1.11 0.48
-
 N2-Acetyl-L-ornithine wild type enzyme Escherichia coli
2.6.1.11 1.54
-
 N2-Acetyl-L-ornithine arginine-inducible enzyme Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.6.1.11 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

EC Number Organism UniProt Comment Textmining
2.6.1.11 Escherichia coli
-
 Escherichia coli W
-
2.6.1.11 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)

EC Number Purification (Comment) Organism
2.6.1.11
-
 Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.6.1.11 additional information purified enzyme also has activity of EC 2.6.1.13 Escherichia coli ?
-
 ?
2.6.1.11 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
-
 ?
2.6.1.11 Nalpha-acetyl-L-ornithine + 2-oxoglutarate
-
 Escherichia coli N-acetyl-L-glutamate 5-semialdehyde + L-glutamate
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.6.1.11 37
-
 assay at Escherichia coli

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.6.1.11 8
-
-
 Escherichia coli

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.6.1.11 7 9 about 35% of activity maximum at pH 7.0 and 9.0 Escherichia coli