hydroxyproline

chemical compound
ChemicalSubstance type_of_chemical_entity Q12460151
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hydroxyproline

Summary

hydroxyproline is a type of chemical entity[1]. hydroxyproline ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (75 views/month).[2]

Key Facts

  • hydroxyproline's instance of is recorded as type of chemical entity[3].
  • hydroxyproline's chemical structure is recorded as (2S,4R)-4-Hydroxyprolin.svg[4].
  • hydroxyproline's CAS Registry Number is recorded as 51-35-4[5].
  • hydroxyproline's EC number is recorded as 200-091-9[6].
  • hydroxyproline's canonical SMILES is recorded as C1C(CNC1C(=O)O)O[7].
  • hydroxyproline's InChI is recorded as InChI=1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9)/t3-,4+/m1/s1[8].
  • hydroxyproline's InChIKey is recorded as PMMYEEVYMWASQN-DMTCNVIQSA-N[9].
  • hydroxyproline's chemical formula is recorded as C₅H₉NO₃[10].
  • hydroxyproline's subclass of is recorded as dispensable amino acids[11].
  • hydroxyproline's subclass of is recorded as (4RS)-4-hydroxy-L-proline[12].
  • hydroxyproline's subclass of is recorded as secondary amino acid[13].
  • hydroxyproline's part of is recorded as collagen[14].
  • hydroxyproline's ChEMBL ID is recorded as CHEMBL352418[15].
  • hydroxyproline's Guide to Pharmacology Ligand ID is recorded as 4704[16].
  • hydroxyproline's PDB structure ID is recorded as 1K64[17].
  • hydroxyproline's PDB structure ID is recorded as 1WZB[18].
  • hydroxyproline's PDB structure ID is recorded as 1IH9[19].
  • hydroxyproline's PDB structure ID is recorded as 3HR2[20].
  • hydroxyproline's PDB structure ID is recorded as 1UZD[21].
  • hydroxyproline's PDB structure ID is recorded as 1GK8[22].
  • hydroxyproline's PDB structure ID is recorded as 1DLZ[23].
  • hydroxyproline's PDB structure ID is recorded as 1GIB[24].
  • hydroxyproline's PDB structure ID is recorded as 3CQZ[25].
  • hydroxyproline's PDB structure ID is recorded as 4GYX[26].
  • hydroxyproline's PDB structure ID is recorded as 1P1P[27].

Why It Matters

hydroxyproline ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (75 views/month).[2] hydroxyproline has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[28] hydroxyproline is known by 29 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] . Global Substance Registration System. Retrieved . wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Food Chemistry. wikidata.org.
  13. [15] . ChEMBL. Retrieved . wikidata.org.
  14. [16] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  15. [17] . Protein Data Bank. Retrieved . wikidata.org.
  16. [18] . Protein Data Bank. Retrieved . wikidata.org.
  17. [19] . Protein Data Bank. Retrieved . wikidata.org.
  18. [20] . Protein Data Bank. Retrieved . wikidata.org.
  19. [21] . Protein Data Bank. Retrieved . wikidata.org.
  20. [22] . Protein Data Bank. Retrieved . wikidata.org.
  21. [23] . Protein Data Bank. Retrieved . wikidata.org.
  22. [24] . Protein Data Bank. Retrieved . wikidata.org.
  23. [25] . Protein Data Bank. Retrieved . wikidata.org.
  24. [26] . Protein Data Bank. Retrieved . wikidata.org.
  25. [27] . Protein Data Bank. 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). hydroxyproline. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydroxyproline
MLA “hydroxyproline.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydroxyproline.
BibTeX @misc{4ortxyz_hydroxyproline_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hydroxyproline}}, year = {2026}, url = {https://4ort.xyz/entity/hydroxyproline}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hydroxyproline — https://4ort.xyz/entity/hydroxyproline (retrieved 2026-05-03)

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