L-threonine

amino acid
ChemicalSubstance type_of_chemical_entity Q186521
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L-threonine

Summary

L-threonine is a type of chemical entity[1]. L-threonine ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (255 views/month).[2]

Key Facts

  • L-threonine's instance of is recorded as type of chemical entity[3].
  • L-threonine's chemical structure is recorded as L-Threonin - L-Threonine.svg[4].
  • D-threose is named after L-threonine[5].
  • L-threonine's CAS Registry Number is recorded as 72-19-5[6].
  • L-threonine's EC number is recorded as 200-774-1[7].
  • L-threonine's canonical SMILES is recorded as CC(C(C(=O)O)N)O[8].
  • L-threonine's InChI is recorded as InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1[9].
  • L-threonine's InChIKey is recorded as AYFVYJQAPQTCCC-GBXIJSLDSA-N[10].
  • L-threonine's chemical formula is recorded as C₄H₉NO₃[11].
  • L-threonine's subclass of is recorded as 2-amino-3-hydroxybutanoic acid[12].
  • L-threonine's part of is recorded as L-threonine catabolic process to D-lactate[13].
  • L-threonine's part of is recorded as L-threonine catabolic process to glycine[14].
  • L-threonine's part of is recorded as L-threonine catabolic process to propionate[15].
  • L-threonine's part of is recorded as L-threonine catabolic process to acetyl-CoA[16].
  • L-threonine's part of is recorded as L-threonine transmembrane transporter activity[17].
  • L-threonine's part of is recorded as L-threonine import across plasma membrane[18].
  • L-threonine's has use is recorded as food additive[19].
  • L-threonine's has use is recorded as medication[20].
  • L-threonine's Commons category is recorded as Threonine[21].
  • L-threonine's MeSH descriptor ID is recorded as D013912[22].
  • L-threonine's has part is recorded as nitrogen[23].
  • L-threonine's has part is recorded as carbon[24].
  • L-threonine's has part is recorded as oxygen[25].
  • L-threonine's has part is recorded as hydrogen[26].
  • L-threonine's ChEMBL ID is recorded as CHEMBL291747[27].

Why It Matters

L-threonine ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (255 views/month).[2] L-threonine has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[28] L-threonine is known by 42 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . ChEBI. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Gene Ontology release 2019-11-16. wikidata.org.
  12. [14] . Gene Ontology release 2019-11-16. wikidata.org.
  13. [15] . Gene Ontology release 2019-11-16. wikidata.org.
  14. [16] . Gene Ontology release 2019-11-16. wikidata.org.
  15. [17] . Gene Ontology release 2019-11-16. wikidata.org.
  16. [18] . Gene Ontology release 2020-05-02. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . DrugBank. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . ChEMBL. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). L-threonine. Retrieved May 3, 2026, from https://4ort.xyz/entity/l-threonine
MLA “L-threonine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/l-threonine.
BibTeX @misc{4ortxyz_l-threonine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{L-threonine}}, year = {2026}, url = {https://4ort.xyz/entity/l-threonine}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): L-threonine — https://4ort.xyz/entity/l-threonine (retrieved 2026-05-03)

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