L-Glutamine

CHEBI:18050 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier: CHEBI:18050
Ontology label: L-glutamine
kg-microbe node: CHEBI:18050

Nutritional roles

Role
NITROGEN_SOURCE
Confidence
1.0
Evidence
- Reference text
  CultureMech database (137 occurrences as 'Nitrogen source')
  Reference type
  DATABASE_ENTRY
  Url
  https://github.com/CultureBotAI/CultureMech
  Excerpt
  Role: Nitrogen source; Properties: Organic compound, Defined component, Simple component
  Curator note
  Widespread use in media formulations (137 occurrences). High confidence based on 'Defined component' property.

Synonyms (13)

Synonym	Type	Source	Occurrences
Cross-references: KEGG:gln-L	RAW_TEXT	CultureMech
Role: Nitrogen source; Properties: Organic compound, Defined component, Simple component	RAW_TEXT	CultureMech
(2S)-2-amino-4-carbamoylbutanoic acid	EXACT_SYNONYM	kg_microbe
(S)-2,5-diamino-5-oxopentanoic acid	EXACT_SYNONYM	kg_microbe
Glutamic acid 5-amide	EXACT_SYNONYM	kg_microbe
Glutamic acid amide	EXACT_SYNONYM	kg_microbe
L-(+)-glutamine	EXACT_SYNONYM	kg_microbe
L-2-Aminoglutaramic acid	EXACT_SYNONYM	kg_microbe
L-Glutamin	EXACT_SYNONYM	kg_microbe
L-Glutaminsaeure-5-amid	EXACT_SYNONYM	kg_microbe
L-glutamic acid gamma-amide	EXACT_SYNONYM	kg_microbe
Levoglutamide	EXACT_SYNONYM	kg_microbe
GLUTAMINE	EXACT_SYNONYM	chebi_synonym_review

Chemical properties

Cas rn: 56-85-9
Data source: PubChem API
Retrieval date: 2026-04-05T19:52:39.125048+00:00
Molecular formula: C5H10N2O3
Inchi: InChI=1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1
Smiles: NC(=O)CC[C@H](N)C(=O)O

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences: 203
Distinct media: 203

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
2026-04-05T19:52:39.125072+00:00	fetch_cas_rn_from_pubchem	ADDED_CAS_RN	MAPPED	Added CAS-RN:56-85-9 from PubChem API via name lookup (L-Glutamine)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 10 synonyms from kg-microbe P4.4 enrichment: (2S)-2-amino-4-carbamoylbutanoic acid, (S)-2,5-diamino-5-oxopentanoic acid, Glutamic acid 5-amide, Glutamic acid amide, L-(+)-glutamine, ... (5 more)
2026-05-01T07:35:34.356907+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.365591+00:00	auto_classify_ingredient_type	AUTO_BACKFILL_CHEBI_CHEMISTRY		molecular_formula=C5H10N2O3; inchi=InChI=1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6; smiles=NC(=O)CC[C@H](N)C(=O)O
2026-05-02T03:12:15.520080+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-29T23:35:36.111640+00:00	extract_roles_from_synonyms	ANNOTATED		Added media role: NITROGEN_SOURCE (confidence: 1.00)
2026-06-09T05:23:46.785086+00:00	correct_stale_ontology_labels.py	CORRECTED		ontology_label 'L-Glutamine' -> 'L-glutamine': synced to canonical CHEBI label (preferred_term 'L-Glutamine' 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
2026-08-27T03:16:39.519140+00:00	refresh_occurrence_statistics	CORRECTED		occurrence_statistics 50/137 -> 203/203 (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]