Seroatlas · Human Serome Atlas

GLCE

D-glucuronyl C5-epimerase

Also known as: GLCE_HUMAN, HSEPI, KIAA0836

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

Protein identityUniProt · HPA

UniProt accession
O94923
Gene
GLCE
Ensembl
ENSG00000138604
Chromosome
15
Canonical length
617 aa
Protein class
Enzymes, Metabolic proteins, Plasma proteins, Predicted intracellular proteins
Subcellular location
Mitochondria
Quaternary structure
Homodimer

OverviewNCBI Gene

Enables calcium ion binding activity; heparosan-N-sulfate-glucuronate 5-epimerase activity; and protein homodimerization activity. Involved in heparan sulfate proteoglycan biosynthetic process. Predicted to be located in Golgi membrane. Predicted to be active in Golgi apparatus. Implicated in cerebrovascular disease and hypertension. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

617 residues, UniProt reviewed canonical sequence.

>O94923|GLCE
     1  MRCLAARVNY KTLIIICALF TLVTVLLWNK CSSDKAIQFP RRSSSGFRVD GFEKRAAASE
    61  SNNYMNHVAK QQSEEAFPQE QQKAPPVVGG FNSNVGSKVL GLKYEEIDCL INDEHTIKGR
   121  REGNEVFLPF TWVEKYFDVY GKVVQYDGYD RFEFSHSYSK VYAQRAPYHP DGVFMSFEGY
   181  NVEVRDRVKC ISGVEGVPLS TQWGPQGYFY PIQIAQYGLS HYSKNLTEKP PHIEVYETAE
   241  DRDKNKPNDW TVPKGCFMAN VADKSRFTNV KQFIAPETSE GVSLQLGNTK DFIISFDLKF
   301  LTNGSVSVVL ETTEKNQLFT IHYVSNAQLI AFKERDIYYG IGPRTSWSTV TRDLVTDLRK
   361  GVGLSNTKAV KPTKIMPKKV VRLIAKGKGF LDNITISTTA HMAAFFAASD WLVRNQDEKG
   421  GWPIMVTRKL GEGFKSLEPG WYSAMAQGQA ISTLVRAYLL TKDHIFLNSA LRATAPYKFL
   481  SEQHGVKAVF MNKHDWYEEY PTTPSSFVLN GFMYSLIGLY DLKETAGEKL GKEARSLYER
   541  GMESLKAMLP LYDTGSGTIY DLRHFMLGIA PNLARWDYHT THINQLQLLS TIDESPVFKE
   601  FVKRWKSYLK GSRAKHN

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against GLCE 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
Other membrane
Secreted
No
Transmembrane segments
1
Mean surface accessibility (rSASA)
0.31
Highest tissue expression
41 nTPM

Expression across tissuesHPA

Tissue

  • cerebellum: 41 nTPM
  • liver: 16 nTPM
  • duodenum: 13 nTPM
  • rectum: 13 nTPM
  • placenta: 13 nTPM
  • kidney: 12 nTPM

Single-cell type

  • brain excitatory neurons: 200 nCPM
  • microglia: 196 nCPM
  • brain inhibitory neurons: 148 nCPM
  • oligodendrocytes: 141 nCPM
  • adrenal medulla cells: 138 nCPM
  • renal collecting duct principal cells: 109 nCPM

Immune cell

  • non-classical monocyte: 2.3 nTPM
  • classical monocyte: 2.1 nTPM
  • T-reg: 2 nTPM
  • plasmacytoid DC: 1.9 nTPM
  • myeloid DC: 1.8 nTPM
  • intermediate monocyte: 1.6 nTPM

Brain region

  • cerebellum: 76 nTPM
  • hypothalamus: 20 nTPM
  • midbrain: 19 nTPM
  • choroid plexus: 19 nTPM
  • basal ganglia: 17 nTPM
  • white matter: 17 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)
0.44
gnomAD pLI
0.65
gnomAD missense Z
1.71
DepMap mean gene effect
-0.1
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

  • D-glucuronyl C5-epimerase, C-terminal
  • D-glucuronyl C5-epimerase
  • D-glucuronyl C5-epimerase, beta-sandwich domain
  • D-glucuronyl C5-epimerase C-terminus
  • D-glucuronyl C5-epimerase, beta-sandwich domain

KeywordsUniProt

InteractionsUniProt · HPA

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

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

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