Ontology mapping
- Primary identifier
-
CHEBI:15603 - Ontology label
- L-leucine
- kg-microbe node
CHEBI:15603
Nutritional roles
- Role
- NITROGEN_SOURCE
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Nitrogen Source
Synonyms (11)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Cross-references: KEGG:leu-L | RAW_TEXT | CultureMech | |
| Role: Nitrogen source; Properties: Defined component, Organic compound, Simple component | RAW_TEXT | CultureMech | |
| Leucine | EXACT | manual | |
| (2S)-2-amino-4-methylpentanoic acid | EXACT_SYNONYM | kg_microbe | |
| (2S)-alpha-2-Amino-4-methylvaleric acid | EXACT_SYNONYM | kg_microbe | |
| (2S)-alpha-Leucine | EXACT_SYNONYM | kg_microbe | |
| (S)-(+)-leucine | EXACT_SYNONYM | kg_microbe | |
| (S)-leucine | EXACT_SYNONYM | kg_microbe | |
| 2-Amino-4-methylvaleric acid | EXACT_SYNONYM | kg_microbe | |
| L-Leucin | EXACT_SYNONYM | kg_microbe | |
| L-Leuzin | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Cas rn
- 61-90-5
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:52:40.472832+00:00
- Molecular formula
- C6H13NO2
- Inchi
- InChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
- Smiles
- CC(C)C[C@H](N)C(=O)O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 134
- Distinct media
- 134
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-03-09T06:54:18.022301+00:00 | import_from_culturemech | IMPORTED | MAPPED | Initial import from CultureMech pipeline |
| 2026-04-05T19:52:40.472878+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:61-90-5 from PubChem API via name lookup (L-Leucine) |
| 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 8 synonyms from kg-microbe P4.4 enrichment: (2S)-2-amino-4-methylpentanoic acid, (2S)-alpha-2-Amino-4-methylvaleric acid, (2S)-alpha-Leucine, (S)-(+)-leucine, (S)-leucine, ... (3 more) |
| 2026-05-01T07:35:34.373611+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:30.383443+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C6H13NO2; inchi=InChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1; smiles=CC(C)C[C@H](N)C(=O)O | |
| 2026-05-02T03:12:15.541098+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-29T23:35:36.111654+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: NITROGEN_SOURCE (confidence: 1.00) | |
| 2026-06-09T05:23:46.785369+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'L-Leucine' -> 'L-leucine': synced to canonical CHEBI label (preferred_term 'L-Leucine' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): NITROGEN_SOURCE -> nutritional_roles.NITROGEN_SOURCE | |
| 2026-08-27T03:16:39.519151+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 50/65 -> 134/134 (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] |