L-Isoleucine

CHEBI:17191 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:17191
Ontology label
L-isoleucine
kg-microbe node
CHEBI:17191

Nutritional roles

Synonyms (5)

SynonymTypeSourceOccurrences
Cross-references: KEGG:ile-L RAW_TEXT CultureMech
Isoleucine EXACT manual
(2S,3S)-2-amino-3-methylpentanoic acid EXACT_SYNONYM kg_microbe
2-Amino-3-methylvaleric acid EXACT_SYNONYM kg_microbe
alpha-amino-beta-methylvaleric acid EXACT_SYNONYM kg_microbe

Chemical properties

Cas rn
73-32-5
Data source
PubChem API
Retrieval date
2026-04-05T19:52:39.893922+00:00
Molecular formula
C6H13NO2
Inchi
InChI=1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1
Smiles
CC[C@H](C)[C@H](N)C(=O)O

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
123
Distinct media
123

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:52:39.893980+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:73-32-5 from PubChem API via name lookup (L-Isoleucine)
2026-04-17T12:00:00+00:00 synonym_expansion_cbclaw LLM ADDED_SYNONYMS MAPPED Added 1 synonym for unmapped CultureMech surface form
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 3 synonyms from kg-microbe P4.4 enrichment: (2S,3S)-2-amino-3-methylpentanoic acid, 2-Amino-3-methylvaleric acid, alpha-amino-beta-methylvaleric acid
2026-05-01T07:35:34.369196+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.378562+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C6H13NO2; inchi=InChI=1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1; smiles=CC[C@H](C)[C@H](N)C(=O)O
2026-05-02T03:12:15.535298+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.492581+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: AMINO_ACID_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.785276+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'L-Isoleucine' -> 'L-isoleucine': synced to canonical CHEBI label (preferred_term 'L-Isoleucine' unchanged).
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
2026-08-27T03:16:39.519149+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 50/56 -> 123/123 (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]