Seroatlas · Human Serome Atlas

PROP1

Homeobox protein prophet of Pit-1

Also known as: PROP1_HUMAN

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

Protein identityUniProt · HPA

UniProt accession
O75360
Gene
PROP1
Ensembl
ENSG00000175325
Chromosome
5
Canonical length
226 aa
Protein class
Disease related genes, Human disease related genes, Predicted intracellular proteins, Transcription factors

OverviewNCBI Gene

This gene encodes a paired-like homeodomain transcription factor in the developing pituitary gland. Expression occurs prior to and is required for expression of pou domain transcription factor 1, which is responsible for pituitary development and hormone expression. Mutations in this gene have been associated with combined pituitary hormone deficiency-2 as well as deficiencies in luteinizing hormone, follicle-stimulating hormone, growth hormone, prolactin, and thyroid-stimulating hormone. [provided by RefSeq, Sep 2011]

Canonical amino-acid sequenceUniProt

226 residues, UniProt reviewed canonical sequence.

>O75360|PROP1
     1  MEAERRRQAE KPKKGRVGSN LLPERHPATG TPTTTVDSSA PPCRRLPGAG GGRSRFSPQG
    61  GQRGRPHSRR RHRTTFSPVQ LEQLESAFGR NQYPDIWARE SLARDTGLSE ARIQVWFQNR
   121  RAKQRKQERS LLQPLAHLSP AAFSSFLPES TACPYSYAAP PPPVTCFPHP YSHALPSQPS
   181  TGGAFALSHQ SEDWYPTLHP APAGHLPCPP PPPMLPLSLE PSKSWN

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against PROP1 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)
0.64
Highest tissue expression
1.1 nTPM

Expression across tissuesHPA

Tissue

  • pituitary gland: 1.1 nTPM
  • cerebellum: 0.1 nTPM
  • adipose tissue: 0 nTPM
  • adrenal gland: 0 nTPM
  • amygdala: 0 nTPM
  • appendix: 0 nTPM

Single-cell type

  • pituitary stem cells: 0.7 nCPM
  • retinal amacrine cells: 0.7 nCPM
  • brain excitatory neurons: 0.5 nCPM
  • brain inhibitory neurons: 0.3 nCPM
  • myosatellite cells: 0.3 nCPM
  • loop of henle epithelial cells: 0.2 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

  • amygdala: 1.6 nTPM
  • cerebellum: 1.6 nTPM
  • cerebral cortex: 1.4 nTPM
  • hippocampal formation: 1.3 nTPM
  • white matter: 0.5 nTPM
  • basal ganglia: 0.4 nTPM

DiseaseUniProt · ClinVar · IEDB · PubMed

Four sources answering four different questions about PROP1.

Disease | AllUniProt

Conditions PROP1 is implicated in, by any mechanism.

Disease | GeneticClinVar

95 pathogenic / likely-pathogenic of 348 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)
0.9
gnomAD pLI
0.09
gnomAD missense Z
0.25
DepMap mean gene effect
0.02
DepMap dependency class
none

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

Antibody and autoantibody relevanceSeroatlas analysis

Seroatlas reads PROP1 as an antibody target. Whether an autoantibody or antibody against PROP1 could matter depends on whether native PROP1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

PROP1 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 PROP1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/PROP1. 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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