L-ornithine

Structure

Identity from ChEBI, geometry from PubChem. Not evidence.

What it touches on the way

What the reference databases state

• L-citrulline+L-ornithine⇌L-citrulline+L-ornithine

  Transported by SLC7A9

  Reaction pageReversibleBalancedcytosol, extracellular space

  Human-GEM MAR02226CC BY 4.0Reference data

• L-citrulline+L-ornithine→L-citrulline+L-ornithine

  Transported by SLC25A2

  Reaction pageLeft to rightBalancedcytosol, mitochondrial matrix

  Human-GEM MAR02271CC BY 4.0Reference data

• 2-oxoglutarate(2-)+L-ornithine⇌L-glutamate(1-)+L-glutamic 5-semialdehyde

  Catalysed by OAT

  Reaction pageReversibleBalancedEC 2.6.1.13mitochondrial matrix

  Human-GEM MAR03807CC BY 4.0Reference data

• L-citrulline+proton+phosphate(3-)⇌carbamoyl phosphate+L-ornithine

  Catalysed by OTC

  Reaction pageReversibleBalancedEC 2.1.3.3mitochondrial matrix

  Human-GEM MAR03809CC BY 4.0Reference data

• L-arginine+water→L-ornithine+urea

  Catalysed by ARG1

  Reaction pageLeft to rightBalancedEC 3.5.3.1cytosol

  Human-GEM MAR03816CC BY 4.0Reference data

• proton+L-ornithine→carbon dioxide+putrescine

  Catalysed by ODC1

  Reaction pageLeft to rightBalancedEC 4.1.1.17cytosol

  Human-GEM MAR04212CC BY 4.0Reference data

• proton+L-ornithine→carbon dioxide+putrescine

  Catalysed by ODC1

  Reaction pageLeft to rightBalancedEC 4.1.1.17extracellular space

  Human-GEM MAR04422CC BY 4.0Reference data

• L-arginine+glycine⇌guanidinoacetate+L-ornithine

  Catalysed by GATM

  Reaction pageReversibleBalancedEC 2.1.4.1cytosol

  Human-GEM MAR04582CC BY 4.0Reference data

• L-citrulline+proton+L-ornithine→L-citrulline+proton+L-ornithine

  Reaction pageLeft to rightBalancedextracellular space, cytosol

  Human-GEM MAR04995CC BY 4.0Reference data

• L-ornithine→L-ornithine

  Transported by SLC7A2 or SLC38A4 or SLC7A1 or SLC7A3

  Reaction pageLeft to rightBalancedextracellular space, cytosol

  Human-GEM MAR05094CC BY 4.0Reference data

• proton+L-ornithine→proton+L-ornithine

  Transported by SLC25A15 or SLC25A2

  Reaction pageLeft to rightBalancedcytosol, mitochondrial matrix

  Human-GEM MAR05105CC BY 4.0Reference data

• CHEBI:18019+L-ornithine⇌CHEBI:18019+L-ornithine

  Transported by SLC7A6 or SLC7A5

  Reaction pageReversibleBalancedcytosol, extracellular space

  Human-GEM MAR05579CC BY 4.0Reference data

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On the label

Label record: NIH Office of Dietary Supplements · CC0

Where it reaches

10 systems, 22 regions, 75 tissues, 90 transporter routes — routes, not measurements: transporters known to carry L-ornithine are expressed there, and no source reports it arriving.

Resolves to: L-ornithine

Also called

L-ornithine monocationL-ornithinium(1+)

Systematic name

(2S)-2,5-diammoniopentanoateL-ornithinium