CHEBI:18257 - ornithine

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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 eMolecules:592955
Download Molfile XML SDF
Formula C5H12N2O2
Net Charge 0
Average Mass 132.16106
Monoisotopic Mass 132.08988
InChI InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)
InChIKey AHLPHDHHMVZTML-UHFFFAOYSA-N
SMILES NCCCC(N)C(O)=O
Metabolite of Species Details
Chlamydomonas reinhardtii (NCBI:txid3055) See: PubMed
Daphnia magna (NCBI:txid35525) See: Mixtures of similarly acting compounds in Daphnia magna: From gene to metabolite and beyondTine Vandenbrouck, Oliver A.H. Jones, Nathalie Dom, Julian L. Griffin, Wim De CoenEnvironment International 36 (2010) 254-268
Escherichia coli (NCBI:txid562) See: PubMed
Homo sapiens (NCBI:txid9606) See: PubMed
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.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing ornithine (CHEBI:18257) has role Daphnia magna metabolite (CHEBI:83056)
ornithine (CHEBI:18257) has role Escherichia coli metabolite (CHEBI:76971)
ornithine (CHEBI:18257) has role algal metabolite (CHEBI:84735)
ornithine (CHEBI:18257) has role human metabolite (CHEBI:77746)
ornithine (CHEBI:18257) is a non-proteinogenic α-amino acid (CHEBI:83925)
ornithine (CHEBI:18257) is conjugate acid of ornithinate (CHEBI:32964)
ornithine (CHEBI:18257) is conjugate base of ornithinium(1+) (CHEBI:46912)
Incoming eflornithine (CHEBI:41948) has functional parent ornithine (CHEBI:18257)
ornithine derivative (CHEBI:25718) has functional parent ornithine (CHEBI:18257)
D-ornithine (CHEBI:16176) is a ornithine (CHEBI:18257)
L-ornithine (CHEBI:15729) is a ornithine (CHEBI:18257)
ornithinium(1+) (CHEBI:46912) is conjugate acid of ornithine (CHEBI:18257)
ornithinate (CHEBI:32964) is conjugate base of ornithine (CHEBI:18257)
N2-ornithino group (CHEBI:46930) is substituent group from ornithine (CHEBI:18257)
N5-ornithino group (CHEBI:46934) is substituent group from ornithine (CHEBI:18257)
ornithine residue (CHEBI:46928) is substituent group from ornithine (CHEBI:18257)
ornithyl group (CHEBI:46929) is substituent group from ornithine (CHEBI:18257)
IUPAC Names
2,5-diaminopentanoic acid
ornithine
Synonyms Sources
2,5-Diaminopentanoic acid KEGG COMPOUND
2,5-Diaminovaleric acid KEGG COMPOUND
DL-Ornithine ChemIDplus
Orn IUPAC
Ornithine KEGG COMPOUND
Manual Xrefs Databases
C00001384 KNApSAcK
C01602 KEGG COMPOUND
View more database links
Registry Numbers Types Sources
1722296 Reaxys Registry Number Reaxys
616-07-9 CAS Registry Number ChemIDplus
847696 Gmelin Registry Number Gmelin
Citations Waiting for Citations
Last Modified
25 January 2016