Seroatlas · Human Serome Atlas

RARB

Retinoic acid receptor beta

Also known as: HAP, NR1B2, RAR-beta, RARB_HUMAN, RARbeta, RRB2

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

Protein identityUniProt · HPA

UniProt accession
P10826
Gene
RARB
Ensembl
ENSG00000077092
Chromosome
3
Canonical length
455 aa
Protein class
Cancer-related genes, Disease related genes, FDA approved drug targets, Human disease related genes, Nuclear receptors, Predicted intracellular proteins, Transcription factors
Subcellular location
Nucleoplasm
Quaternary structure
Homodimer

OverviewNCBI Gene

This gene encodes retinoic acid receptor beta, a member of the thyroid-steroid hormone receptor superfamily of nuclear transcriptional regulators. This receptor localizes to the cytoplasm and to subnuclear compartments. It binds retinoic acid, the biologically active form of vitamin A which mediates cellular signalling in embryonic morphogenesis, cell growth and differentiation. It is thought that this protein limits growth of many cell types by regulating gene expression. The gene was first identified in a hepatocellular carcinoma where it flanks a hepatitis B virus integration site. Alternate promoter usage and differential splicing result in multiple transcript variants. [provided by RefSeq, Mar 2014]

Canonical amino-acid sequenceUniProt

455 residues, UniProt reviewed canonical sequence.

>P10826|RARB
     1  MTTSGHACPV PAVNGHMTHY PATPYPLLFP PVIGGLSLPP LHGLHGHPPP SGCSTPSPAT
    61  IETQSTSSEE LVPSPPSPLP PPRVYKPCFV CQDKSSGYHY GVSACEGCKG FFRRSIQKNM
   121  IYTCHRDKNC VINKVTRNRC QYCRLQKCFE VGMSKESVRN DRNKKKKETS KQECTESYEM
   181  TAELDDLTEK IRKAHQETFP SLCQLGKYTT NSSADHRVRL DLGLWDKFSE LATKCIIKIV
   241  EFAKRLPGFT GLTIADQITL LKAACLDILI LRICTRYTPE QDTMTFSDGL TLNRTQMHNA
   301  GFGPLTDLVF TFANQLLPLE MDDTETGLLS AICLICGDRQ DLEEPTKVDK LQEPLLEALK
   361  IYIRKRRPSK PHMFPKILMK ITDLRSISAK GAERVITLKM EIPGSMPPLI QEMLENSEGH
   421  EPLTPSSSGN TAEHSPSISP SSVENSGVSQ SPLVQ

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against RARB 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)
0.4
Highest tissue expression
13 nTPM

Expression across tissuesHPA

Tissue

  • kidney: 13 nTPM
  • heart muscle: 12 nTPM
  • placenta: 12 nTPM
  • salivary gland: 10 nTPM
  • prostate: 10 nTPM
  • retina: 9.6 nTPM

Single-cell type

  • müller glia: 680 nCPM
  • conjunctival goblet cells: 339 nCPM
  • cone photoreceptor cells: 302 nCPM
  • brain inhibitory neurons: 293 nCPM
  • pituicytes/fscs: 291 nCPM
  • salivary duct cells: 286 nCPM

Immune cell

  • basophil: 0.4 nTPM
  • neutrophil: 0.3 nTPM
  • naive B-cell: 0.2 nTPM
  • eosinophil: 0.1 nTPM
  • naive CD4 T-cell: 0.1 nTPM
  • naive CD8 T-cell: 0.1 nTPM

Brain region

  • basal ganglia: 29 nTPM
  • choroid plexus: 23 nTPM
  • cerebral cortex: 14 nTPM
  • white matter: 9 nTPM
  • medulla oblongata: 8 nTPM
  • thalamus: 7 nTPM

DiseaseUniProt · ClinVar · IEDB · PubMed

Four sources answering four different questions about RARB.

Disease | AllUniProt

Conditions RARB is implicated in, by any mechanism.

Disease | GeneticClinVar

28 pathogenic / likely-pathogenic of 165 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)
0.12
gnomAD pLI
1
gnomAD missense Z
2.87
DepMap mean gene effect
-0.05
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 RARB 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 RARB as an antibody target. Whether an autoantibody or antibody against RARB could matter depends on whether native RARB is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

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

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