Seroatlas · Human Serome Atlas

GGPS1

Geranylgeranyl pyrophosphate synthase

Also known as: GGPPS_HUMAN, GGPPS1

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

Protein identityUniProt · HPA

UniProt accession
O95749
Gene
GGPS1
Ensembl
ENSG00000152904
Chromosome
1
Canonical length
300 aa
Protein class
Disease related genes, Enzymes, FDA approved drug targets, Metabolic proteins, Plasma proteins, Predicted intracellular proteins
Subcellular location
Nucleoplasm,Cytosol
Quaternary structure
Homohexamer

OverviewNCBI Gene

This gene is a member of the prenyltransferase family and encodes a protein with geranylgeranyl diphosphate (GGPP) synthase activity. The enzyme catalyzes the synthesis of GGPP from farnesyl diphosphate and isopentenyl diphosphate. GGPP is an important molecule responsible for the C20-prenylation of proteins and for the regulation of a nuclear hormone receptor. Alternate transcriptional splice variants, both protein-coding and non-protein-coding, have been found for this gene. [provided by RefSeq, Sep 2010]

Canonical amino-acid sequenceUniProt

300 residues, UniProt reviewed canonical sequence.

>O95749|GGPS1
     1  MEKTQETVQR ILLEPYKYLL QLPGKQVRTK LSQAFNHWLK VPEDKLQIII EVTEMLHNAS
    61  LLIDDIEDNS KLRRGFPVAH SIYGIPSVIN SANYVYFLGL EKVLTLDHPD AVKLFTRQLL
   121  ELHQGQGLDI YWRDNYTCPT EEEYKAMVLQ KTGGLFGLAV GLMQLFSDYK EDLKPLLNTL
   181  GLFFQIRDDY ANLHSKEYSE NKSFCEDLTE GKFSFPTIHA IWSRPESTQV QNILRQRTEN
   241  IDIKKYCVHY LEDVGSFEYT RNTLKELEAK AYKQIDARGG NPELVALVKH LSKMFKEENE

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against GGPS1 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)
0.24
Highest tissue expression
45 nTPM

Expression across tissuesHPA

Tissue

  • testis: 45 nTPM
  • retina: 36 nTPM
  • breast: 32 nTPM
  • salivary gland: 29 nTPM
  • epididymis: 29 nTPM
  • skeletal muscle: 28 nTPM

Single-cell type

  • late spermatids: 884 nCPM
  • epicardial cells: 332 nCPM
  • cardiomyocytes: 198 nCPM
  • early spermatids: 118 nCPM
  • late primary spermatocytes: 102 nCPM
  • adipocytes: 36 nCPM

Immune cell

  • non-classical monocyte: 55 nTPM
  • eosinophil: 49 nTPM
  • basophil: 44 nTPM
  • T-reg: 43 nTPM
  • memory CD4 T-cell: 40 nTPM
  • memory B-cell: 39 nTPM

Brain region

  • white matter: 36 nTPM
  • cerebellum: 31 nTPM
  • hypothalamus: 31 nTPM
  • pons: 30 nTPM
  • spinal cord: 30 nTPM
  • medulla oblongata: 29 nTPM

DiseaseUniProt · ClinVar · IEDB · PubMed

Four sources answering four different questions about GGPS1.

Disease | AllUniProt

Conditions GGPS1 is implicated in, by any mechanism.

Disease | GeneticClinVar

4 pathogenic / likely-pathogenic of 48 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)
0.64
gnomAD pLI
0.27
gnomAD missense Z
1.22
DepMap mean gene effect
-1.29
DepMap dependency class
common

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 13% 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 GGPS1 as an antibody target. Whether an autoantibody or antibody against GGPS1 could matter depends on whether native GGPS1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

GGPS1 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 GGPS1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/GGPS1. 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).

Loading the interactive Seroatlas protein explorer...