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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 298 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 is a type of photosystem[5].
  • photosystem II's Commons category is recorded as Photosystem II[6].
  • photosystem II's exact match is recorded as http://purl.obolibrary.org/obo/GO_0009523[7].

Body

Definition and Type

Recorded instance of include cellular component[3] and family of protein complexes[4]. photosystem II is a type of photosystem[5].

Why It Matters

photosystem II draws 298 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.[8] It is known by 7 alternative names across languages and contexts.[9]

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] ↑ . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [8] ↑ . Wikidata sitelinks. wikidata.org.
  3. [9] ↑ . 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)

Canonical URL: https://4ort.xyz/entity/photosystem-ii · 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. 7d ago · Dirac · 2026-07-20 view diff on Wikidata ↗
    Subclass of → —
    Instance of → cellular component, family of protein complexes
    Image → PhotosystemII.PNG
    Instance of → —
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P18]]: PhotosystemII.PNG, [[:toollabs:quickstatements/#/batch/261337|batch #261337]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.