Seroatlas · Human Serome Atlas

TAF13

Transcription initiation factor TFIID subunit 13

Also known as: TAF13_HUMAN, TAF2K, TAFII18

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

Protein identityUniProt · HPA

UniProt accession
Q15543
Gene
TAF13
Ensembl
ENSG00000197780
Chromosome
1
Canonical length
124 aa
Protein class
Disease related genes, Human disease related genes, Predicted intracellular proteins
Subcellular location
Nucleoplasm,Nucleoli

OverviewNCBI Gene

Initiation of transcription by RNA polymerase II requires the activities of more than 70 polypeptides. The protein that coordinates these activities is transcription factor IID (TFIID), which binds to the core promoter to position the polymerase properly, serves as the scaffold for assembly of the remainder of the transcription complex, and acts as a channel for regulatory signals. TFIID is composed of the TATA-binding protein (TBP) and a group of evolutionarily conserved proteins known as TBP-associated factors or TAFs. TAFs may participate in basal transcription, serve as coactivators, function in promoter recognition or modify general transcription factors (GTFs) to facilitate complex assembly and transcription initiation. This gene encodes a small subunit associated with a subset of TFIID complexes. This subunit interacts with TBP and with two other small subunits of TFIID, TAF10 and TAF11. There is a pseudogene located on chromosome 6. [provided by RefSeq, Jul 2008]

Canonical amino-acid sequenceUniProt

124 residues, UniProt reviewed canonical sequence.

>Q15543|TAF13
     1  MADEEEDPTF EEENEEIGGG AEGGQGKRKR LFSKELRCMM YGFGDDQNPY TESVDILEDL
    61  VIEFITEMTH KAMSIGRQGR VQVEDIVFLI RKDPRKFARV KDLLTMNEEL KRARKAFDEA
   121  NYGS

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against TAF13 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)
0.49
Highest tissue expression
90 nTPM

Expression across tissuesHPA

Tissue

  • skeletal muscle: 90 nTPM
  • bone marrow: 59 nTPM
  • tongue: 57 nTPM
  • adipose tissue: 45 nTPM
  • kidney: 40 nTPM
  • urinary bladder: 40 nTPM

Single-cell type

  • neutrophils: 203 nCPM
  • esophageal apical cells: 108 nCPM
  • syncytiotrophoblasts: 94 nCPM
  • endometrial glandular cells: 86 nCPM
  • suprabasal keratinocytes: 81 nCPM
  • neutrophil progenitors: 80 nCPM

Immune cell

  • basophil: 19 nTPM
  • non-classical monocyte: 13 nTPM
  • intermediate monocyte: 10 nTPM
  • plasmacytoid DC: 9.6 nTPM
  • neutrophil: 9.4 nTPM
  • classical monocyte: 9.3 nTPM

Brain region

  • spinal cord: 67 nTPM
  • thalamus: 63 nTPM
  • pons: 59 nTPM
  • white matter: 57 nTPM
  • medulla oblongata: 56 nTPM
  • midbrain: 56 nTPM

DiseaseUniProt · ClinVar · IEDB · PubMed

Four sources answering four different questions about TAF13.

Disease | AllUniProt

Conditions TAF13 is implicated in, by any mechanism.

Disease | GeneticClinVar

3 pathogenic / likely-pathogenic of 18 ClinVar records.

Conditions with pathogenic or likely-pathogenic variants.

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)
1.09
gnomAD pLI
0.02
gnomAD missense Z
1.26
DepMap mean gene effect
-0.49
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

Molecular functions

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of TAF13 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 TAF13 as an antibody target. Whether an autoantibody or antibody against TAF13 could matter depends on whether native TAF13 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

TAF13 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 TAF13 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/TAF13. 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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