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respiratory chain complex I

enzyme of the respiratory chain consisting of several polypeptide chains; L-shaped with a horizontal arm lying in the membrane, and a vertical arm that projects into the cytoplasm of prokaryotes, or the matrix of mitochondria.
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respiratory chain complex I

Summary

respiratory chain complex I is a cellular component[1]. It draws 242 Wikipedia views per month (cellular_component category, ranking #71 of 301).[2]

Key Facts

  • respiratory chain complex I's instance of is recorded as cellular component[3].
  • respiratory chain complex I's instance of is recorded as family of protein complexes[4].
  • respiratory chain complex I's instance of is recorded as group or class of transmembrane transport proteins[5].
  • respiratory chain complex I is a type of respiratory chain complex[6].
  • respiratory chain complex I is a type of NADH dehydrogenase complex[7].
  • respiratory chain complex I is a type of oxidoreduction-driven transporter[8].
  • respiratory chain complex I is a type of transport protein[9].
  • respiratory chain complex I is a type of NADH dehydrogenase (quinone)[10].
  • respiratory chain complex I is a type of transmembrane transporter complex[11].
  • respiratory chain complex I's Commons category is recorded as NADH dehydrogenase (ubiquinone)[12].
  • respiratory chain complex I comprises NADH dehydrogenase (ubiquinone) 1 alpha subcomplex subunit 7[13].
  • respiratory chain complex I's EC enzyme number is recorded as 7.1.1.2[14].
  • respiratory chain complex I's molecular function is recorded as NADH dehydrogenase (ubiquinone) activity[15].
  • respiratory chain complex I's different from is recorded as NADH dehydrogenase[16].
  • respiratory chain complex I's exact match is recorded as http://purl.obolibrary.org/obo/GO_0045271[17].
  • respiratory chain complex I's exact match is recorded as http://www.tcdb.org/search/result.php?tc=3.D.1[18].

Body

Definition and Type

Recorded instance of include cellular component[3], family of protein complexes[4], and group or class of transmembrane transport proteins[5]. Recorded subclass of include respiratory chain complex[6], NADH dehydrogenase complex[7], oxidoreduction-driven transporter[8], transport protein[9], NADH dehydrogenase (quinone)[10], and transmembrane transporter complex[11].

Use and Application

respiratory chain complex I comprises NADH dehydrogenase (ubiquinone) 1 alpha subcomplex subunit 7[13].

Why It Matters

respiratory chain complex I draws 242 Wikipedia views per month (cellular_component category, ranking #71 of 301).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[19] It is known by 9 alternative names across languages and contexts.[20]

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] ↑ . wikidata.org.
  4. [6] ↑ . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  5. [7] ↑ . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  6. [8] ↑ . Retrieved . wikidata.org.
  7. [9] ↑ . Retrieved . Provenance: wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . Gene Ontology release 2022-07-01. Retrieved . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . ENZYME. Retrieved . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Gene Ontology release 2019-10-07. Retrieved . wikidata.org.
  16. [18] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] ↑ . Wikidata sitelinks. wikidata.org.
  3. [20] ↑ . 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). respiratory chain complex I. Retrieved May 3, 2026, from https://4ort.xyz/entity/respiratory-chain-complex-i
MLA “respiratory chain complex I.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/respiratory-chain-complex-i.
BibTeX @misc{4ortxyz_respiratory-chain-complex-i_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{respiratory chain complex I}}, year = {2026}, url = {https://4ort.xyz/entity/respiratory-chain-complex-i}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): respiratory chain complex I — https://4ort.xyz/entity/respiratory-chain-complex-i (retrieved 2026-05-03)

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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. 4d ago · Dirac · 2026-07-20 view diff on Wikidata ↗
    Molecular function → NADH dehydrogenase (ubiquinone) activity
    Subclass of → —
    Instance of → cellular component, family of protein complexes, group or class of transmembrane transport proteins
    Image → NADH Dehydrogenase Electron Carriers Unlabeled.png
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P18]]: NADH Dehydrogenase Electron Carriers Unlabeled.png, [[:toollabs:quickstatements/#/batch/261337|batch #261337]]"
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