sigma factor

class of proteins
Thing group_or_class_of_proteins Q306436
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sigma factor

Summary

sigma factor is a group or class of proteins[1]. It draws 81 Wikipedia views per month (group_or_class_of_proteins category, ranking #47 of 335).[2]

Key Facts

  • sigma factor's instance of is recorded as group or class of proteins[3].
  • sigma factor's subclass of is recorded as general transcription factor[4].
  • sigma factor's subclass of is recorded as transcription factor[5].
  • sigma factor's Commons category is recorded as Sigma factors[6].
  • sigma factor's MeSH descriptor ID is recorded as D012808[7].
  • sigma factor's Freebase ID is recorded as /m/02hdgd[8].
  • sigma factor's MeSH tree code is recorded as D12.776.930.800[9].
  • sigma factor's molecular function is recorded as sigma factor activity[10].
  • sigma factor's Encyclopædia Britannica Online ID is recorded as science/sigma-factor[11].
  • sigma factor's Microsoft Academic ID is recorded as 47319516[12].
  • sigma factor's Microsoft Academic ID is recorded as 2910270838[13].
  • sigma factor's OpenAlex ID is recorded as C47319516[14].

Why It Matters

sigma factor draws 81 Wikipedia views per month (group_or_class_of_proteins category, ranking #47 of 335).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[15] It is known by 7 alternative names across languages and contexts.[16]

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] . 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] . wikidata.org.
  12. [14] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] . Wikidata sitelinks. wikidata.org.
  3. [16] . 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). sigma factor. Retrieved May 3, 2026, from https://4ort.xyz/entity/sigma-factor
MLA “sigma factor.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/sigma-factor.
BibTeX @misc{4ortxyz_sigma-factor_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sigma factor}}, year = {2026}, url = {https://4ort.xyz/entity/sigma-factor}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sigma factor — https://4ort.xyz/entity/sigma-factor (retrieved 2026-05-03)

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