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
Download Molfile XML SDF
Formula C5H12N2O2
Net Charge 0
Average Mass 132.16106
Monoisotopic Mass 132.090
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:3055) See: PubMed
Daphnia magna (NCBI:35525) 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:562) See: PubMed
Homo sapiens (NCBI:9606) See: PubMed
Roles Classification
Chemical Role(s): 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 2-(difluoromethyl)ornithine (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
Database Links Databases
C00001384 KNApSAcK
C01602 KEGG COMPOUND
View more database links
Registry Numbers Types Sources
1722296 Beilstein Registry Number Beilstein
1722296 Reaxys Registry Number Reaxys
616-07-9 CAS Registry Number ChemIDplus
847696 Gmelin Registry Number Gmelin
Citations Waiting for Citations Types Sources
15449570 PubMed citation Europe PMC
17190852 PubMed citation Europe PMC
22264337 PubMed citation Europe PMC
Last Modified
25 January 2016