photosystem II

photosystem that contains a pheophytin-quinone reaction center with associated accessory pigments and electron carriers
Thing cellular_component Q22327014
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photosystem II

Summary

photosystem II is a cellular component[1]. It draws 139 Wikipedia views per month (cellular_component category, ranking #60 of 301).[2]

Key Facts

  • photosystem II's instance of is recorded as cellular component[3].
  • photosystem II's instance of is recorded as family of protein complexes[4].
  • photosystem II's subclass of is recorded as photosystem[5].
  • photosystem II's Commons category is recorded as Photosystem II[6].
  • photosystem II's MeSH descriptor ID is recorded as D045332[7].
  • photosystem II's Freebase ID is recorded as /m/0410vdy[8].
  • photosystem II's MeSH tree code is recorded as D05.500.562.488.750[9].
  • photosystem II's MeSH tree code is recorded as D08.811.600.710.750[10].
  • photosystem II's MeSH tree code is recorded as D12.776.543.930.500.750[11].
  • photosystem II's MeSH tree code is recorded as D12.776.765.199.750.750.750[12].
  • photosystem II's Gene Ontology ID is recorded as GO:0009523[13].
  • photosystem II's Encyclopædia Britannica Online ID is recorded as science/photosystem-II[14].
  • photosystem II's exact match is recorded as http://purl.obolibrary.org/obo/GO_0009523[15].
  • photosystem II's Pfam ID is recorded as PF00421[16].
  • photosystem II's JSTOR topic ID is recorded as photosystem-ii[17].
  • photosystem II's Microsoft Academic ID is recorded as 80298142[18].
  • photosystem II's OpenAlex ID is recorded as C80298142[19].
  • photosystem II's Springer Nature Subjects Taxonomy ID is recorded as photosystem-ii[20].

Why It Matters

photosystem II draws 139 Wikipedia views per month (cellular_component category, ranking #60 of 301).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[21] It is known by 7 alternative names across languages and contexts.[22]

References

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

Direct Wikidata claims

  1. [3] . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  18. [20] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] . Wikidata sitelinks. wikidata.org.
  3. [22] . 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). photosystem II. Retrieved May 3, 2026, from https://4ort.xyz/entity/photosystem-ii
MLA “photosystem II.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/photosystem-ii.
BibTeX @misc{4ortxyz_photosystem-ii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{photosystem II}}, year = {2026}, url = {https://4ort.xyz/entity/photosystem-ii}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): photosystem II — https://4ort.xyz/entity/photosystem-ii (retrieved 2026-05-03)

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