Seroatlas · Human Serome Atlas

DCUN1D4

DCN1-like protein 4

Also known as: DCNL4_HUMAN, KIAA0276

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

Protein identityUniProt · HPA

UniProt accession
Q92564
Gene
DCUN1D4
Ensembl
ENSG00000109184
Chromosome
4
Canonical length
292 aa
Protein class
Predicted intracellular proteins
Subcellular location
Nucleoplasm,Vesicles

OverviewNCBI Gene

Enables cullin family protein binding activity. Involved in positive regulation of protein neddylation. Located in nucleus. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

292 residues, UniProt reviewed canonical sequence.

>Q92564|DCUN1D4
     1  MHSDAAAVNF QLNSHLSTLA NIHKIYHTLN KLNLTEDIGQ DDHQTGSLRS CSSSDCFNKV
    61  MPPRKKRRPA SGDDLSAKKS RHDSMYRKYD STRIKTEEEA FSSKRCLEWF YEYAGTDDVV
   121  GPEGMEKFCE DIGVEPENVV MLVLAWKLDA QNMGYFTLQE WLKGMTSLQC DTTEKLRNTL
   181  DYLRSFLNDS TNFKLIYRYA FDFAREKDQR SLDINTAKCM LGLLLGKIWP LFPVFHQFLE
   241  QSKYKVINKD QWCNVLEFSR TINLDLSNYD EDGAWPVLLD EFVEWYKDKQ MS

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against DCUN1D4 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)
0.38
Highest tissue expression
27 nTPM

Expression across tissuesHPA

Tissue

  • liver: 27 nTPM
  • hypothalamus: 18 nTPM
  • blood vessel: 18 nTPM
  • adrenal gland: 17 nTPM
  • urinary bladder: 17 nTPM
  • smooth muscle: 16 nTPM

Single-cell type

  • corticotrophs: 230 nCPM
  • pituicytes/fscs: 202 nCPM
  • adrenal cortex cells: 199 nCPM
  • late spermatids: 191 nCPM
  • pituitary stem cells: 152 nCPM
  • sertoli cells: 151 nCPM

Immune cell

  • eosinophil: 8.8 nTPM
  • MAIT T-cell: 8.6 nTPM
  • basophil: 6.8 nTPM
  • naive CD8 T-cell: 6.8 nTPM
  • memory CD8 T-cell: 6.5 nTPM
  • memory CD4 T-cell: 6.4 nTPM

Brain region

  • thalamus: 33 nTPM
  • cerebral cortex: 31 nTPM
  • pons: 29 nTPM
  • hypothalamus: 29 nTPM
  • midbrain: 27 nTPM
  • white matter: 27 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)
0.59
gnomAD pLI
0.05
gnomAD missense Z
0.68
DepMap mean gene effect
0
DepMap dependency class
selective

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% 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 DCUN1D4 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 DCUN1D4 as an antibody target. Whether an autoantibody or antibody against DCUN1D4 could matter depends on whether native DCUN1D4 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

DCUN1D4 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 DCUN1D4 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/DCUN1D4. 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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