heme O

chemical compound
ChemicalSubstance type_of_chemical_entity Q620211
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heme O

Summary

heme O is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (11 views/month).[2]

Key Facts

  • heme O's instance of is recorded as type of chemical entity[3].
  • heme O's canonical SMILES is recorded as CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C(CCC=CCCC=CCCC=C(C)C(C)C)O)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.[Fe+2][4].
  • heme O's chemical formula is recorded as C₄₉H₅₈FeN₄O₅[5].
  • heme O is a type of heme[6].
  • heme O is a type of primary metabolite[7].
  • heme O is part of heme O metabolic process[8].
  • heme O is part of heme O biosynthetic process[9].
  • heme O is part of heme O catabolic process[10].
  • heme O's Commons category is recorded as Haem o[11].
  • heme O comprises iron[12].
  • heme O comprises carbon[13].
  • heme O's isomeric SMILES is recorded as CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C@HO)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.[Fe+2]C@HO)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.[Fe+2]">[14].
  • heme O's mass is recorded as {'unit': 'Q483261', 'amount': '+838.375658'}[15].

Why It Matters

heme O ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (11 views/month).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[16]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . PubChem. Retrieved . wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Reactome. reactome.org. Provenance: wikidata.org.
  6. [8] . Gene Ontology release 2019-11-16. wikidata.org.
  7. [9] . Gene Ontology release 2019-11-16. wikidata.org.
  8. [10] . Gene Ontology release 2019-11-16. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . PubChem. Retrieved . wikidata.org.
  13. [15] . PubChem. Retrieved . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . Wikidata sitelinks. 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). heme O. Retrieved May 3, 2026, from https://4ort.xyz/entity/heme-o
MLA “heme O.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/heme-o.
BibTeX @misc{4ortxyz_heme-o_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{heme O}}, year = {2026}, url = {https://4ort.xyz/entity/heme-o}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): heme O — https://4ort.xyz/entity/heme-o (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/heme-o · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Has parts
    Instance of type of chemical entity
    Part of
    Subclass of
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
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