CHEBI:18257 - ornithine

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name ornithine
ChEBI ID CHEBI:18257
Definition An α-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:7784
Supplier Information
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Roles Classification
Chemical Role(s): Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Biological Role(s): Escherichia coli metabolite
Any bacterial metabolite produced during a metabolic reaction in Escherichia coli.
algal metabolite
Any eukaryotic metabolite produced during a metabolic reaction in algae including unicellular organisms like chlorella and diatoms to multicellular organisms like giant kelps and brown algae.
human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
Daphnia magna metabolite
A Daphnia metabolite produced by the species Daphnia magna.
Related Structures
ornithine is a Functional Parent of
eflornithine
Mass : 182.16850
Formula : C6H12F2N2O2
41948 		ornithine derivative
Definition : A non-proteinogenic amino acid derivative resulting from reaction of ornithine at the amino group, the carboxy group, or the side-chain amino group, or from the replacement of any hydrogen of ornithine by a heteroatom. The definition normally excludes peptides containing ornithine residues.
ornithine has Substituent Group(s)
ornithine residue
Mass :114.14578
Formula : C5H10N2O
46928 		ornithyl group
Mass :115.15372
Formula : C5H11N2O
46929 		N(2)-ornithino group
Mass :131.15312
Formula : C5H11N2O2
46930 		N(5)-ornithino group
Mass :131.15312
Formula : C5H11N2O2
46934
ornithine is a Structural Derivative of
ammonia
Mass : 17.03056
Formula : H3N
16134
ornithine is a Conjugate Acid of
ornithinate
Mass : 131.15312
Formula : C5H11N2O2
32964
ornithine is a Conjugate Base of
ornithinium(1+)
Mass : 133.16900
Formula : C5H13N2O2
46912
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