protoporphyrinogen IX

chemical compound
ChemicalSubstance type_of_chemical_entity Q925685
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protoporphyrinogen IX

Summary

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

Key Facts

  • protoporphyrinogen IX's instance of is recorded as type of chemical entity[3].
  • protoporphyrinogen IX's chemical structure is recorded as Protoporphyrinogen IX neutral.svg[4].
  • protoporphyrinogen IX's CAS Registry Number is recorded as 7412-77-3[5].
  • protoporphyrinogen IX's canonical SMILES is recorded as CC1=C2CC3=C(C(=C(N3)CC4=C(C(=C(N4)CC5=C(C(=C(N5)CC(=C1CCC(=O)O)N2)CCC(=O)O)C)C=C)C)C=C)C[6].
  • protoporphyrinogen IX's InChI is recorded as InChI=1S/C34H40N4O4/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25/h7-8,35-38H,1-2,9-16H2,3-6H3,(H,39,40)(H,41,42)[7].
  • protoporphyrinogen IX's InChIKey is recorded as UHSGPDMIQQYNAX-UHFFFAOYSA-N[8].
  • protoporphyrinogen IX's chemical formula is recorded as C₃₄H₄₀N₄O₄[9].
  • protoporphyrinogen IX's subclass of is recorded as heterocyclic compound[10].
  • protoporphyrinogen IX's part of is recorded as protoporphyrinogen IX biosynthetic process[11].
  • protoporphyrinogen IX's part of is recorded as protoporphyrinogen IX biosynthetic process from glycine[12].
  • protoporphyrinogen IX's part of is recorded as protoporphyrinogen IX metabolic process[13].
  • protoporphyrinogen IX's part of is recorded as protoporphyrinogen IX biosynthetic process from glutamate[14].
  • protoporphyrinogen IX's Commons category is recorded as Protoporphyrinogen IX[15].
  • protoporphyrinogen IX's has part is recorded as carbon[16].
  • protoporphyrinogen IX's Freebase ID is recorded as /m/02p9qfy[17].
  • protoporphyrinogen IX's ChemSpider ID is recorded as 108741[18].
  • protoporphyrinogen IX's PubChem CID is recorded as 121893[19].
  • protoporphyrinogen IX's KEGG ID is recorded as C01079[20].
  • protoporphyrinogen IX's ChEBI ID is recorded as 15435[21].
  • protoporphyrinogen IX's found in taxon is recorded as Homo sapiens[22].
  • protoporphyrinogen IX's found in taxon is recorded as Escherichia coli[23].
  • protoporphyrinogen IX's Human Metabolome Database ID is recorded as HMDB0001097[24].
  • protoporphyrinogen IX's KNApSAcK ID is recorded as C00007371[25].
  • protoporphyrinogen IX's mass is recorded as {'unit': 'Q483261', 'amount': '+568.304956'}[26].
  • protoporphyrinogen IX's subject has role is recorded as primary metabolite[27].

Why It Matters

protoporphyrinogen IX ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (6 views/month).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[28] It is known by 3 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] . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Gene Ontology release 2019-11-16. wikidata.org.
  10. [12] . Gene Ontology release 2019-11-16. wikidata.org.
  11. [13] . Gene Ontology release 2019-11-16. wikidata.org.
  12. [14] . Gene Ontology release 2020-05-02. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . Q2311683. Retrieved . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . ChEBI release 2019-10-02. Retrieved . wikidata.org.
  20. [22] . Recon 2.2: from reconstruction to model of human metabolism. wikidata.org.
  21. [23] . A comprehensive genome-scale reconstruction of Escherichia coli metabolism--2011.. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . ChEBI. Retrieved . wikidata.org.
  24. [26] . PubChem. Retrieved . wikidata.org.
  25. [27] . Reactome. reactome.org. Provenance: 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). protoporphyrinogen IX. Retrieved May 3, 2026, from https://4ort.xyz/entity/protoporphyrinogen-ix
MLA “protoporphyrinogen IX.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/protoporphyrinogen-ix.
BibTeX @misc{4ortxyz_protoporphyrinogen-ix_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{protoporphyrinogen IX}}, year = {2026}, url = {https://4ort.xyz/entity/protoporphyrinogen-ix}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): protoporphyrinogen IX — https://4ort.xyz/entity/protoporphyrinogen-ix (retrieved 2026-05-03)

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