L-Ornithine

CHEBI:15729 chemically defined MAPPED CHEBI CAS_RN_LOOKUP

Ontology mapping

Primary identifier
CHEBI:15729
Ontology label
L-ornithine
Notes
Created from FEBA ontology enrichment workflow. Used in 10 FEBA media formulations.

Nutritional roles

Synonyms (6)

SynonymTypeSourceOccurrences
(2S)-2,5-diaminopentanoic acid EXACT_SYNONYM kg_microbe
(S)-2,5-Diaminopentanoate EXACT_SYNONYM kg_microbe
(S)-2,5-Diaminopentanoic acid EXACT_SYNONYM kg_microbe
(S)-2,5-diaminovaleric acid EXACT_SYNONYM kg_microbe
(S)-alpha,delta-diaminovaleric acid EXACT_SYNONYM kg_microbe
(S)-ornithine EXACT_SYNONYM kg_microbe

Chemical properties

Cas rn
70-26-8
Data source
FEBA ontology enrichment (via PubChem)
Retrieval date
2026-04-07T10:19:38.462443+00:00
Molecular formula
C5H12N2O2
Inchi
InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1
Smiles
NCCC[C@H](N)C(=O)O

Evidence (1)

CAS_RN_CROSS_REFERENCE via PubChem

ChEBI ID CHEBI:15729 found via PubChem CAS-RN cross-reference

Occurrence statistics

Total occurrences
11
Distinct media
11

Curation history

TimestampCuratorActionNew statusChanges
2026-04-07T10:19:38.462433+00:00 feba_ontology_enrichment_batch CREATED MAPPED Created ingredient file from FEBA ontology enrichment batch with ChEBI ID CHEBI:15729
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 6 synonyms from kg-microbe P4.4 enrichment: (2S)-2,5-diaminopentanoic acid, (S)-2,5-Diaminopentanoate, (S)-2,5-Diaminopentanoic acid, (S)-2,5-diaminovaleric acid, (S)-alpha,delta-diaminovaleric acid, ... (1 more)
2026-05-01T07:35:34.443627+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.461733+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C5H12N2O2; inchi=InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H; smiles=NCCC[C@H](N)C(=O)O
2026-05-02T03:12:15.638357+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.499848+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: AMINO_ACID_SOURCE (confidence: 0.70)
2026-07-20T00:00:00+00:00 migrate_media_roles_to_facets ANNOTATED Migrated legacy media_roles to role facets (#128): AMINO_ACID_SOURCE -> nutritional_roles.AMINO_ACID_SOURCE
2026-08-27T03:16:39.519192+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 10/10 -> 11/11 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257]