L-Tyrosine

CHEBI:17895 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:17895
Ontology label
L-tyrosine
kg-microbe node
CHEBI:17895

Nutritional roles

Synonyms (11)

SynonymTypeSourceOccurrences
Cross-references: KEGG:tyr-L RAW_TEXT CultureMech
(-)-alpha-amino-p-hydroxyhydrocinnamic acid EXACT_SYNONYM kg_microbe
(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid EXACT_SYNONYM kg_microbe
(S)-(-)-Tyrosine EXACT_SYNONYM kg_microbe
(S)-2-Amino-3-(p-hydroxyphenyl)propionic acid EXACT_SYNONYM kg_microbe
(S)-3-(p-Hydroxyphenyl)alanine EXACT_SYNONYM kg_microbe
(S)-Tyrosine EXACT_SYNONYM kg_microbe
(S)-alpha-amino-4-hydroxybenzenepropanoic acid EXACT_SYNONYM kg_microbe
4-hydroxy-L-phenylalanine EXACT_SYNONYM kg_microbe
L-Tyrosin EXACT_SYNONYM kg_microbe
TYROSINE EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
60-18-4
Data source
PubChem API
Retrieval date
2026-04-05T19:52:45.568228+00:00
Molecular formula
C9H11NO3
Inchi
InChI=1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1
Smiles
N[C@@H](Cc1ccc(O)cc1)C(=O)O

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
79
Distinct media
79

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:52:45.568254+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:60-18-4 from PubChem API via name lookup (L-Tyrosine)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 9 synonyms from kg-microbe P4.4 enrichment: (-)-alpha-amino-p-hydroxyhydrocinnamic acid, (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid, (S)-(-)-Tyrosine, (S)-2-Amino-3-(p-hydroxyphenyl)propionic acid, (S)-3-(p-Hydroxyphenyl)alanine, ... (4 more)
2026-05-01T07:35:34.417966+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.434479+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C9H11NO3; inchi=InChI=1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6; smiles=N[C@@H](Cc1ccc(O)cc1)C(=O)O
2026-05-02T03:12:15.602499+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.496653+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: AMINO_ACID_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.786325+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'L-Tyrosine' -> 'L-tyrosine': synced to canonical CHEBI label (preferred_term 'L-Tyrosine' 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
2026-08-27T03:16:39.519178+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 45/45 -> 79/79 (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]