L-Proline

CHEBI:17203 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:17203
Ontology label
L-proline
kg-microbe node
CHEBI:17203

Nutritional roles

Synonyms (15)

SynonymTypeSourceOccurrences
Cross-references: KEGG:pro-L RAW_TEXT CultureMech
(-)-(S)-proline EXACT_SYNONYM kg_microbe
(-)-2-pyrrolidinecarboxylic acid EXACT_SYNONYM kg_microbe
(-)-proline EXACT_SYNONYM kg_microbe
(2S)-pyrrolidine-2-carboxylic acid EXACT_SYNONYM kg_microbe
(S)-2-carboxypyrrolidine EXACT_SYNONYM kg_microbe
(S)-2-pyrrolidinecarboxylic acid EXACT_SYNONYM kg_microbe
(S)-pyrrolidine-2-carboxylic acid EXACT_SYNONYM kg_microbe
2-Pyrrolidinecarboxylic acid EXACT_SYNONYM kg_microbe
L-(-)-proline EXACT_SYNONYM kg_microbe
L-Prolin EXACT_SYNONYM kg_microbe
L-alpha-pyrrolidinecarboxylic acid EXACT_SYNONYM kg_microbe
L-pyrrolidine-2-carboxylic acid EXACT_SYNONYM kg_microbe
prolinum EXACT_SYNONYM kg_microbe
PROLINE EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
147-85-3
Data source
PubChem API
Retrieval date
2026-04-05T19:52:42.606440+00:00
Molecular formula
C5H9NO2
Inchi
InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1
Smiles
O=C(O)[C@@H]1CCCN1

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
113
Distinct media
113

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:52:42.606449+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:147-85-3 from PubChem API via name lookup (L-Proline)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 13 synonyms from kg-microbe P4.4 enrichment: (-)-(S)-proline, (-)-2-pyrrolidinecarboxylic acid, (-)-proline, (2S)-pyrrolidine-2-carboxylic acid, (S)-2-carboxypyrrolidine, ... (8 more)
2026-05-01T07:35:34.394293+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.408074+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C5H9NO2; inchi=InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H; smiles=O=C(O)[C@@H]1CCCN1
2026-05-02T03:12:15.569528+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.495423+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: AMINO_ACID_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.785839+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'L-Proline' -> 'L-proline': synced to canonical CHEBI label (preferred_term 'L-Proline' 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
2026-08-27T03:16:39.519167+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 50/64 -> 113/113 (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]