Forkhead box K1

mammalian protein found in Mus musculus

Protein protein Q21983975

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Forkhead box K1

Summary

Forkhead box K1 is a protein^[1].

Key Facts

Forkhead box K1's instance of is recorded as protein^[2].
Forkhead box K1's subclass of is recorded as protein^[3].
Forkhead box K1's UniProt protein ID is recorded as P42128^[4].
Forkhead box K1's part of is recorded as winged helix DNA-binding domain superfamily^[5].
Forkhead box K1's part of is recorded as Winged helix-like DNA-binding domain superfamily^[6].
Forkhead box K1's part of is recorded as SMAD/FHA domain superfamily^[7].
Forkhead box K1's part of is recorded as Forkhead-associated (FHA) domain, protein family^[8].
Forkhead box K1's part of is recorded as Fork head domain, protein family^[9].
Forkhead box K1's part of is recorded as Fork head domain conserved site1, protein family^[10].
Forkhead box K1's part of is recorded as Fork head domain conserved site 2, protein family^[11].
Forkhead box K1's has part is recorded as Fork head domain conserved site 2^[12].
Forkhead box K1's has part is recorded as Fork head domain conserved site1^[13].
Forkhead box K1's has part is recorded as Fork head domain^[14].
Forkhead box K1's has part is recorded as forkhead-associated (FHA) domain^[15].
Forkhead box K1's RefSeq protein ID is recorded as NP_951031^[16].
Forkhead box K1's RefSeq protein ID is recorded as XP_006504717^[17].
Forkhead box K1's PDB structure ID is recorded as 2A3S^[18].
Forkhead box K1's PDB structure ID is recorded as 2D2W^[19].
Forkhead box K1's molecular function is recorded as DNA-binding transcription factor activity^[20].
Forkhead box K1's molecular function is recorded as DNA-binding transcription factor activity, RNA polymerase II-specific^[21].
Forkhead box K1's molecular function is recorded as DNA binding^[22].
Forkhead box K1's molecular function is recorded as sequence-specific DNA binding^[23].
Forkhead box K1's molecular function is recorded as RNA polymerase II transcription regulatory region sequence-specific DNA binding^[24].
Forkhead box K1's molecular function is recorded as protein binding^[25].
Forkhead box K1's molecular function is recorded as transcription cis-regulatory region binding^[26].

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Quick Facts

Instance of protein

Subclass of protein

Part of winged helix DNA-binding domain superfamily, Winged helix-like DNA-binding domain superfamily, SMAD/FHA domain superfamily, Forkhead-associated (FHA) domain, protein family, Fork head domain, protein family, Fork head domain conserved site1, protein family, Fork head domain conserved site 2, protein family

Properties

Biological process regulation of transcription by RNA polymerase II, multicellular organism development, positive regulation of transcription, DNA-templated, muscle organ development, negative regulation of cell cycle, negative regulation of transcription, DNA-templated, regulation of transcription, DNA-templated, negative regulation of cell growth, transcription, DNA-templated, anatomical structure morphogenesis, cell differentiation, negative regulation of transcription by RNA polymerase II, cell differentiation, positive regulation of transcription by RNA polymerase II, cellular glucose homeostasis, negative regulation of autophagy, regulation of glucose metabolic process, response to starvation, negative regulation of transcription, DNA-templated, positive regulation of transcription, DNA-templated, canonical glycolysis, cellular glucose homeostasis, negative regulation of autophagy, regulation of glucose metabolic process, response to starvation, negative regulation of transcription, DNA-templated, positive regulation of transcription, DNA-templated, canonical glycolysis

Cell component nucleus, cytoplasm, nucleus, cytoplasm

Encoded by Foxk1

Found in taxon house mouse

Has part(s) Fork head domain conserved site 2, Fork head domain conserved site1, Fork head domain, forkhead-associated (FHA) domain

Imported from wholeness_audit_2026-05-02

Molecular function DNA-binding transcription factor activity, DNA-binding transcription factor activity, RNA polymerase II-specific, DNA binding, sequence-specific DNA binding, RNA polymerase II transcription regulatory region sequence-specific DNA binding, protein binding, transcription cis-regulatory region binding, DNA-binding transcription activator activity, RNA polymerase II-specific, DNA-binding transcription repressor activity, RNA polymerase II-specific, transcription cis-regulatory region binding, DNA-binding transcription repressor activity, RNA polymerase II-specific, 14-3-3 protein binding, transcription cis-regulatory region binding, DNA-binding transcription repressor activity, RNA polymerase II-specific, DNA-binding transcription factor activity, 14-3-3 protein binding

External References (4)

Ensembl protein id ENSMUSP00000072616, ENSMUSP00000143450

Pdb structure id 2A3S, 2D2W

Refseq protein id NP_951031, XP_006504717

Uniprot protein id P42128

References

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

Direct Wikidata claims

[2] ↑ Forkhead box K1 — instance of (P31): protein. Q905695. Retrieved 2022-05-25. wikidata.org.
[3] ↑ Forkhead box K1 — subclass of (P279): protein. Q905695. Retrieved 2017-01-19. wikidata.org.
[4] ↑ Forkhead box K1 — UniProt protein ID (P352): P42128. Q905695. Retrieved 2022-05-25. wikidata.org.
[5] ↑ Forkhead box K1 — part of (P361): winged helix DNA-binding domain superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[6] ↑ Forkhead box K1 — part of (P361): Winged helix-like DNA-binding domain superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[7] ↑ Forkhead box K1 — part of (P361): SMAD/FHA domain superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[8] ↑ Forkhead box K1 — part of (P361): Forkhead-associated (FHA) domain, protein family. wikidata.org.
[9] ↑ Forkhead box K1 — part of (P361): Fork head domain, protein family. wikidata.org.
[10] ↑ Forkhead box K1 — part of (P361): Fork head domain conserved site1, protein family. wikidata.org.
[11] ↑ Forkhead box K1 — part of (P361): Fork head domain conserved site 2, protein family. wikidata.org.
[12] ↑ Forkhead box K1 — has part(s) (P527): Fork head domain conserved site 2. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[13] ↑ Forkhead box K1 — has part(s) (P527): Fork head domain conserved site1. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[14] ↑ Forkhead box K1 — has part(s) (P527): Fork head domain. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[15] ↑ Forkhead box K1 — has part(s) (P527): forkhead-associated (FHA) domain. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[16] ↑ Forkhead box K1 — RefSeq protein ID (P637): NP_951031. Q20641742. Retrieved 2022-03-20. wikidata.org.
[17] ↑ Forkhead box K1 — RefSeq protein ID (P637): XP_006504717. Q20641742. Retrieved 2022-03-20. wikidata.org.
[18] ↑ Forkhead box K1 — PDB structure ID (P638): 2A3S. Q905695. Retrieved 2016-08-09. wikidata.org.
[19] ↑ Forkhead box K1 — PDB structure ID (P638): 2D2W. Q905695. Retrieved 2016-08-09. wikidata.org.
[20] ↑ Forkhead box K1 — molecular function (P680): DNA-binding transcription factor activity. GOA. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[21] ↑ Forkhead box K1 — molecular function (P680): DNA-binding transcription factor activity, RNA polymerase II-specific. Transient Expression of a Winged-Helix Protein, MNF-β, during Myogenesis. Retrieved 2019-05-09. ebi.ac.uk. Provenance: wikidata.org.
[22] ↑ Forkhead box K1 — molecular function (P680): DNA binding. GOA. Retrieved 2019-05-09. ebi.ac.uk. Provenance: wikidata.org.
[23] ↑ Forkhead box K1 — molecular function (P680): sequence-specific DNA binding. GOA. Retrieved 2019-05-09. ebi.ac.uk. Provenance: wikidata.org.
[24] ↑ Forkhead box K1 — molecular function (P680): RNA polymerase II transcription regulatory region sequence-specific DNA binding. Transient Expression of a Winged-Helix Protein, MNF-β, during Myogenesis. Retrieved 2019-05-09. ebi.ac.uk. Provenance: wikidata.org.
[25] ↑ Forkhead box K1 — molecular function (P680): protein binding. Sin3 interacts with Foxk1 and regulates myogenic progenitors. Retrieved 2019-05-09. ebi.ac.uk. Provenance: wikidata.org.
[26] ↑ Forkhead box K1 — molecular function (P680): transcription cis-regulatory region binding. Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

[1] ↑ Forkhead box K1 is an instance of protein (Q8054) [P31, primary]. Wikidata. wikidata.org.

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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). Forkhead box K1. Retrieved May 3, 2026, from https://4ort.xyz/entity/forkhead-box-k1

MLA “Forkhead box K1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/forkhead-box-k1.

BibTeX

@misc{4ortxyz_forkhead-box-k1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Forkhead box K1}}, year = {2026}, url = {https://4ort.xyz/entity/forkhead-box-k1}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Forkhead box K1 — https://4ort.xyz/entity/forkhead-box-k1 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/forkhead-box-k1 · Last refreshed: May 3, 2026