Seroatlas · Human Serome Atlas

DYNAP

Dynactin-associated protein

Also known as: C18orf26, DYNAP_HUMAN, FLJ39106

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

Protein identityUniProt · HPA

UniProt accession
Q8N1N2
Gene
DYNAP
Ensembl
ENSG00000178690
Chromosome
18
Canonical length
210 aa
Protein class
Predicted membrane proteins

OverviewNCBI Gene

Involved in several processes, including activation of protein kinase B activity; cellular response to ergosterol; and positive regulation of cell population proliferation. Located in Golgi apparatus and plasma membrane. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

210 residues, UniProt reviewed canonical sequence.

>Q8N1N2|DYNAP
     1  MVADIKGNEQ IEKYSWREAC DTGSSRMDRK HGKYILNVEH SENQPPITHP NDQEAHSSIC
    61  WCLPSNDITS DVSPNLTGVC VNPGILAHSR CLQSESCNTQ VKEYCRNDWS MWKVFLACLL
   121  ACVIMTAIGV LIICLVNNKG SANSSIVIQL STNDGECVTV KPGTPSPACP PTMTTTSTVP
   181  ASTATESTTS TATAATTSTE PITVAPTDHL

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against DYNAP 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
Cell surface
Secreted
No
Transmembrane segments
1
Mean surface accessibility (rSASA)
0.67
Highest tissue expression
28 nTPM

Expression across tissuesHPA

Tissue

  • esophagus: 28 nTPM
  • retina: 2.4 nTPM
  • spleen: 2.2 nTPM
  • bone marrow: 2.1 nTPM
  • epididymis: 1.9 nTPM
  • tonsil: 1.8 nTPM

Single-cell type

  • esophageal apical cells: 341 nCPM
  • esophageal suprabasal cells: 101 nCPM
  • suprabasal keratinocytes: 12 nCPM
  • schwann cells: 2.1 nCPM
  • esophageal basal cells: 1.4 nCPM
  • ocular epithelial cells: 0.9 nCPM

Immune cell

  • neutrophil: 0.8 nTPM
  • non-classical monocyte: 0.8 nTPM
  • eosinophil: 0.6 nTPM
  • naive B-cell: 0.4 nTPM
  • basophil: 0.3 nTPM
  • classical monocyte: 0.3 nTPM

Brain region

  • cerebral cortex: 21 nTPM
  • cerebellum: 21 nTPM
  • white matter: 21 nTPM
  • hypothalamus: 20 nTPM
  • basal ganglia: 20 nTPM
  • thalamus: 20 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)
1.73
gnomAD pLI
0
gnomAD missense Z
-0.6
DepMap mean gene effect
0.14
DepMap dependency class
none

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 2% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).

OntologyGO

Biological processes

Cellular components

Protein domainsUniProt · Pfam · InterPro

  • CLLAC-motif containing domain
  • Dynactin-associated protein
  • CLLAC-motif containing domain

KeywordsUniProt

InteractionsUniProt · HPA

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

DYNAP is annotated at the cell surface, where native DYNAP is exposed to circulating antibodies and is a prime autoantibody target that could block, deplete, or overstimulate it.

Annotation status

The present source text does not explicitly label DYNAP as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

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