FOXN3
Forkhead box protein N3
Also known as: C14orf116, CHES1, FOXN3_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- O00409
- Gene
- FOXN3
- Ensembl
- ENSG00000053254
- Chromosome
- 14
- Canonical length
- 490 aa
- Protein class
- Predicted intracellular proteins, Transcription factors
- Subcellular location
- Nucleoplasm,Cytosol
OverviewNCBI Gene
This gene is a member of the forkhead/winged helix transcription factor family. Checkpoints are eukaryotic DNA damage-inducible cell cycle arrests at G1 and G2. Checkpoint suppressor 1 suppresses multiple yeast checkpoint mutations including mec1, rad9, rad53 and dun1 by activating a MEC1-independent checkpoint pathway. Alternative splicing is observed at the locus, resulting in distinct isoforms. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
490 residues, UniProt reviewed canonical sequence.
>O00409|FOXN3
1 MGPVMPPSKK PESSGISVSS GLSQCYGGSG FSKALQEDDD LDFSLPDIRL EEGAMEDEEL
61 TNLNWLHESK NLLKSFGESV LRSVSPVQDL DDDTPPSPAH SDMPYDARQN PNCKPPYSFS
121 CLIFMAIEDS PTKRLPVKDI YNWILEHFPY FANAPTGWKN SVRHNLSLNK CFKKVDKERS
181 QSIGKGSLWC IDPEYRQNLI QALKKTPYHP HPHVFNTPPT CPQAYQSTSG PPIWPGSTFF
241 KRNGALLQDP DIDAASAMML LNTPPEIQAG FPPGVIQNGA RVLSRGLFPG VRPLPITPIG
301 VTAAMRNGIT SCRMRTESEP SCGSPVVSGD PKEDHNYSSA KSSNARSTSP TSDSISSSSS
361 SADDHYEFAT KGSQEGSEGS EGSFRSHESP SDTEEDDRKH SQKEPKDSLG DSGYASQHKK
421 RQHFAKARKV PSDTLPLKKR RTEKPPESDD EEMKEAAGSL LHLAGIRSCL NNITNRTAKG
481 QKEQKETTKNLocalizationUniProt · AlphaFold · HPA
Whether an antibody against FOXN3 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.61
- Highest tissue expression
- 79 nTPM
Expression across tissuesHPA
Tissue
- bone marrow: 79 nTPM
- skeletal muscle: 75 nTPM
- tongue: 68 nTPM
- parathyroid gland: 44 nTPM
- adipose tissue: 44 nTPM
- blood vessel: 44 nTPM
Single-cell type
- microglia: 827 nCPM
- choroid plexus epithelial cells: 742 nCPM
- respiratory secretory cells: 701 nCPM
- pituitary stem cells: 652 nCPM
- neutrophils: 643 nCPM
- renal collecting duct intercalated cells: 566 nCPM
Immune cell
- basophil: 49 nTPM
- gdT-cell: 42 nTPM
- T-reg: 36 nTPM
- eosinophil: 36 nTPM
- memory CD8 T-cell: 36 nTPM
- naive CD4 T-cell: 36 nTPM
Brain region
- cerebellum: 198 nTPM
- choroid plexus: 110 nTPM
- medulla oblongata: 86 nTPM
- thalamus: 85 nTPM
- pons: 85 nTPM
- spinal cord: 81 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.36
- gnomAD pLI
- 0.93
- gnomAD missense Z
- 2.28
- DepMap mean gene effect
- -0.1
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- craniofacial suture morphogenesis
- mitotic G2 DNA damage checkpoint signaling
- negative regulation of DNA-templated transcription
- regulation of DNA-templated transcription
Molecular functions
- cis-regulatory region sequence-specific DNA binding
- DNA-binding transcription factor activity
- DNA-binding transcription factor activity, RNA polymerase II-specific
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of FOXN3 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads FOXN3 as an antibody target. Whether an autoantibody or antibody against FOXN3 could matter depends on whether native FOXN3 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
FOXN3 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label FOXN3 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
Loading the interactive Seroatlas protein explorer...