MetaCyc Reaction:

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateSmall-Molecule Reactions

EC Number:

Enzymes and Genes:

[Clostridium] sticklandii: ornithine racemaseInferred from experiment: orr

In Pathway: L-ornithine degradation II (Stickland reaction)

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the Enzyme Commission system.

Mass balance status: Balanced.

Direct generic reaction:
an L-amino acid = a D-amino acid (

Enzyme Commission Primary Name: ornithine racemase

Standard Gibbs Free Energy (ΔrG in kcal/mol): 0.0Inferred by computational analysis [Latendresse13]

Citations: [Chen00b]

Gene-Reaction Schematic

Gene-Reaction Schematic

Unification Links: KEGG:R00672, Rhea:11584

Relationship Links: BRENDA:EC:, ENZYME:EC:, IUBMB-ExplorEnz:EC:


Chen00b: Chen HP, Lin CF, Lee YJ, Tsay SS, Wu SH (2000). "Purification and properties of ornithine racemase from Clostridium sticklandii." J Bacteriol 182(7);2052-4. PMID: 10715017

Latendresse13: Latendresse M. (2013). "Computing Gibbs Free Energy of Compounds and Reactions in MetaCyc."

Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
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