sigma factor

class of proteins

Class type of: general transcription factor, transcription factor Q306436

Facts

4 properties

Instance of: group or class of proteins
Subclass of: general transcription factor, transcription factor^[2]^[3]
Molecular function: sigma factor activity^[4]
On focus list of Wikimedia project: concrete/abstract disjunction anomalies^[5]

🏷️ Also known as

en sigma factor ar عامل سيغما cs Sigma podjednotka cs Σ faktor cs Sigma faktor de Sigma-Faktor de Sigma-Faktoren es Factor sigma es Factor σ fa فاکتور سیگما fi Sigmafaktori it Fattore sigma ja シグマ因子 ko 시그마 인자 nl Sigmafactor pl Współczynnik sigma pl Współczynnik σ pt Fator sigma ru Сигма-фактор tr Sigma Faktör

🔖 Identifiers · 6

OpenAlex ID: C47319516
Encyclopædia Britannica Online ID: science/sigma-factor
Freebase ID: /m/02hdgd
MeSH descriptor ID: D012808
MeSH tree code: D12.776.930.800
Microsoft Academic ID (discontinued): 47319516, 2910270838

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Subclass of 2

transcription factor, general transcription factor

Press Enter · cited answer in seconds

Summary

sigma factor is a group or class of proteins^[1].

References

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

Direct Wikidata claims

Class ancestry

[1] ↑ sigma factor is an instance of group or class of proteins (Q84467700) [P31, primary]. Wikidata. 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 November 5, 2026, from https://4ort.xyz/entity/sigma-factor

MLA “sigma factor.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 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: 2026-11-05}}

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 2026-11-05)

Canonical URL: https://4ort.xyz/entity/sigma-factor · Last refreshed: November 5, 2026

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.

20w ago · JhealdBatch bot · 2026-06-16 view diff on Wikidata ↗

Instance of → —

Molecular function → sigma factor activity

Aliases → —

Subclass of → —

+ 3 other properties edited (see Wikidata diff for full list)

"/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/36807|batch #36807]]: tag for concrete/abstract disjunction anomaly"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.