Seroatlas · Human Serome Atlas

FOXD3

Forkhead box protein D3

Also known as: FOXD3_HUMAN, Genesis, HFH2

Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene

Protein identityUniProt · HPA

UniProt accession
Q9UJU5
Gene
FOXD3
Ensembl
ENSG00000187140
Chromosome
1
Canonical length
478 aa
Protein class
Disease related genes, Human disease related genes, Predicted intracellular proteins, Transcription factors

OverviewNCBI Gene

This gene belongs to the forkhead family of transcription factors which is characterized by a distinct forkhead domain. Mutations in this gene cause autoimmune susceptibility 1. [provided by RefSeq, Nov 2008]

Canonical amino-acid sequenceUniProt

478 residues, UniProt reviewed canonical sequence.

>Q9UJU5|FOXD3
     1  MTLSGGGSAS DMSGQTVLTA EDVDIDVVGE GDDGLEEKDS DAGCDSPAGP PELRLDEADE
    61  VPPAAPHHGQ PQPPHQQPLT LPKEAAGAGA GPGGDVGAPE ADGCKGGVGG EEGGASGGGP
   121  GAGSGSAGGL APSKPKNSLV KPPYSYIALI TMAILQSPQK KLTLSGICEF ISNRFPYYRE
   181  KFPAWQNSIR HNLSLNDCFV KIPREPGNPG KGNYWTLDPQ SEDMFDNGSF LRRRKRFKRH
   241  QQEHLREQTA LMMQSFGAYS LAAAAGAAGP YGRPYGLHPA AAAGAYSHPA AAAAAAAAAA
   301  LQYPYALPPV APVLPPAVPL LPSGELGRKA AAFGSQLGPG LQLQLNSLGA AAAAAGTAGA
   361  AGTTASLIKS EPSARPSFSI ENIIGGGPAA PGGSAVGAGV AGGTGGSGGG STAQSFLRPP
   421  GTVQSAALMA THQPLSLSRT TATIAPILSV PLSGQFLQPA ASAAAAAAAA AQAKWPAQ

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against FOXD3 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)
0.62
Highest tissue expression
4.9 nTPM

Expression across tissuesHPA

Tissue

  • colon: 4.9 nTPM
  • heart muscle: 1.5 nTPM
  • vagina: 1.4 nTPM
  • blood vessel: 1.3 nTPM
  • cervix: 1.3 nTPM
  • prostate: 1.3 nTPM

Single-cell type

  • schwann cells: 70 nCPM
  • thymic myoid cells: 18 nCPM
  • melanocytes: 15 nCPM
  • epididymal clear cells: 2 nCPM
  • breast myoepithelial cells: 1.7 nCPM
  • early primary spermatocytes: 1.6 nCPM

Immune cell

  • basophil: 0 nTPM
  • classical monocyte: 0 nTPM
  • eosinophil: 0 nTPM
  • gdT-cell: 0 nTPM
  • intermediate monocyte: 0 nTPM
  • MAIT T-cell: 0 nTPM

Brain region

  • medulla oblongata: 4.2 nTPM
  • pons: 1 nTPM
  • spinal cord: 0.5 nTPM
  • hippocampal formation: 0.1 nTPM
  • midbrain: 0.1 nTPM
  • white matter: 0.1 nTPM

DiseaseUniProt · ClinVar · IEDB · PubMed

Four sources answering four different questions about FOXD3.

Disease | AllUniProt

Conditions FOXD3 is implicated in, by any mechanism.

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)
0.69
gnomAD pLI
0.58
gnomAD missense Z
0.95
DepMap mean gene effect
-0.01
DepMap dependency class
selective

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).

OntologyGO

Biological processes

Molecular functions

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of FOXD3 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 FOXD3 as an antibody target. Whether an autoantibody or antibody against FOXD3 could matter depends on whether native FOXD3 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

FOXD3 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.

Source-annotated serology context

The source annotations explicitly mention antibody, autoantibody, autoantigen, or autoimmune context. This is biological context, not study-specific reactivity.

  • Mutations in this gene cause autoimmune susceptibility 1.

Canonical record: https://seroatlas.com/gene/FOXD3. Study-independent annotations aggregated from UniProt, Human Protein Atlas, PubMed, IEDB, Pfam, InterPro, Gene Ontology, AlphaFold, gnomAD, DepMap, ClinVar, TCGA. Catalog release seroatlas-reviewed-human-uniprot-20260313.

Seroatlas is the reference for exploring autoantibody and antibody serology at the human-protein level: the autoreactome and human serome, multiplex serology (HuProt, HuScan, VirScan, PhIP-Seq).

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