Forkhead box O3

mammalian protein found in Homo sapiens
Protein protein Q21101484

Facts

9 properties
Instance of
protein
Part of
winged helix DNA-binding domain superfamily, Winged helix-like DNA-binding domain superfamily, FOXO protein, KIX-binding domain, FOXO protein, transactivation domain, protein family, Fork head domain, protein family, Fork head domain conserved site 2, protein family[2][3][4][5][6][7]
Biological process
initiation of primordial ovarian follicle growth, ovulation from ovarian follicle, regulation of transcription, DNA-templated, antral ovarian follicle growth, positive regulation of erythrocyte differentiation, glucose homeostasis, DNA damage response, signal transduction by p53 class mediator, tumor necrosis factor-mediated signaling pathway, regulation of reactive oxygen species metabolic process, transcription by RNA polymerase II, regulation of neural precursor cell proliferation, transcription, DNA-templated, neuronal stem cell population maintenance, positive regulation of neuron apoptotic process, oocyte maturation, extrinsic apoptotic signaling pathway in absence of ligand, positive regulation of apoptotic process, regulation of translation, negative regulation of canonical Wnt signaling pathway, apoptotic process, negative regulation of transcription by RNA polymerase II, regulation of transcription by RNA polymerase II, positive regulation of transcription by RNA polymerase II, cellular response to oxidative stress, positive regulation of transcription, DNA-templated, positive regulation of reactive oxygen species biosynthetic process, brain morphogenesis, ageing, negative regulation of neuron differentiation, cellular response to hypoxia, response to water-immersion restraint stress, response to nutrient levels, cellular response to amyloid-beta, cellular response to corticosterone stimulus, positive regulation of endothelial cell apoptotic process, positive regulation of hydrogen peroxide-mediated programmed cell death, response to dexamethasone, cellular response to nerve growth factor stimulus, cellular response to glucose stimulus, anatomical structure morphogenesis, cytokine-mediated signaling pathway, mitochondrial transcription, negative regulation of cell migration, negative regulation of transcription by RNA polymerase II, insulin receptor signaling pathway, glucose homeostasis, positive regulation of transcription by RNA polymerase II, positive regulation of autophagy, positive regulation of muscle atrophy, response to starvation
Cell component
membrane, nucleoplasm, cytosol, cytoplasm, nucleus, mitochondrion, mitochondrial outer membrane, mitochondrial matrix, protein-containing complex, nucleus, cytoplasm
Encoded by
FOXO3
Found in taxon
Homo sapiens
Has part(s)
Fork head domain conserved site 2, FOXO protein, transactivation domain, Fork head domain[8][9][10]
Has parts
Fork head domain conserved site 2, FOXO protein, transactivation domain, Fork head domain
Molecular function
beta-catenin binding, DNA-binding transcription activator activity, RNA polymerase II-specific, protein binding, protein kinase binding, chromatin DNA binding, DNA-binding transcription factor activity, sequence-specific DNA binding, DNA binding, DNA-binding transcription repressor activity, RNA polymerase II-specific, DNA-binding transcription factor activity, RNA polymerase II-specific, mitochondrial transcription factor activity, transcription coregulator binding, RNA polymerase II cis-regulatory region sequence-specific DNA binding, DNA-binding transcription factor activity, RNA polymerase II-specific, DNA-binding transcription factor activity, transcription factor binding, sequence-specific DNA binding
🏷️ Also known as
en FOXO3 en AF6q21 protein en Forkhead box O3 en forkhead box O3A en forkhead box protein O3 en forkhead, Drosophila, homolog of, in rhabdomyosarcoma-like 1 en forkhead homolog (rhabdomyosarcoma) like 1 en forkhead in rhabdomyosarcoma-like 1 de Forkhead-Box-Protein O3 fr FOXO3A
🔖 Identifiers · 10
OpenAlex ID
C168003608
Freebase ID
/m/03cvkf5
MeSH descriptor ID
D000071316
Microsoft Academic ID (discontinued)
168003608
PDB structure ID
2K86, 2LQH, 2LQI, 2UZK
UMLS CUI
C4255171
UniProt protein ID
O43524

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

🔗 Connections
Cell component 8
Biological process 3
Found in taxon 1
Instance of 1
Molecular function 1
Press Enter · cited answer in seconds

Summary

Forkhead box O3 is a protein[1].

📑 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). Forkhead box O3. Retrieved November 4, 2026, from https://4ort.xyz/entity/forkhead-box-o3
MLA “Forkhead box O3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/forkhead-box-o3.
BibTeX @misc{4ortxyz_forkhead-box-o3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Forkhead box O3}}, year = {2026}, url = {https://4ort.xyz/entity/forkhead-box-o3}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Forkhead box O3 — https://4ort.xyz/entity/forkhead-box-o3 (retrieved 2026-11-04)

Canonical URL: https://4ort.xyz/entity/forkhead-box-o3 · Last refreshed: