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- Table of Contents
Designing a Western blot for Forkhead box protein O3? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the FOXO3 Western Blot Guide4 Citations
4 Citations
Facts about Forkhead box protein O3.
Participates in post-transcriptional regulation of MYC: after phosphorylation by MAPKAPK5, promotes induction of miR-34b and miR-34c expression, two post-transcriptional labs of MYC that bind to the 3'UTR of MYC transcript and prevent its interpretation (PubMed:21329882). In response to metabolic stress, translocates to the mitochondria where it promotes mtDNA transcription (PubMed:23283301).
| Human | |
|---|---|
| Gene Name: | FOXO3 |
| Uniprot: | O43524 |
| Entrez: | 2309 |

| Belongs to: |
|---|
| No superfamily |

AF6q21 protein; AF6q21; DKFZp781A0677; FKHRL1; FKHRL1MGC31925; FKHRL1P2; forkhead box O3; forkhead box protein O3; forkhead homolog (rhabdomyosarcoma) like 1; Forkhead in rhabdomyosarcoma-like 1; forkhead, Drosophila, homolog of, in rhabdomyosarcoma-like 1; FOXO2; FoxO3; FOXO3A; FOXO3Aforkhead box O3A; MGC12739
Mass (kDA):
71.277 kDA

| Human | |
|---|---|
| Location: | 6q21 |
| Sequence: | 6; NC_000006.12 (108559825..108684774) |
Ubiquitous.
Cytoplasm, cytosol. Nucleus. Mitochondrion matrix. Mitochondrion outer membrane; Peripheral membrane protein; Cytoplasmic side. Retention in the cytoplasm contributes to its inactivation (PubMed:10102273, PubMed:15084260, PubMed:16751106). Translocates to the nucleus upon oxidative stress and in the absence of survival factors (PubMed:10102273, PubMed:16751106). Translocates from the cytosol to the nucleus following dephosphorylation in response to autophagy-inducing stimuli (By similarity). Translocates in a AMPK-dependent manner into the mitochondrion in response to metabolic stress (PubMed:






PMID: 9479491 by Anderson M.J., et al. Cloning and characterization of three human forkhead genes that comprise an FKHR-like gene subfamily.
PMID: 9345057 by Hillion J., et al. AF6q21, a novel partner of the MLL gene in t(6;11)(q21;q23), defines a forkhead transcriptional factor subfamily.
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