ZNRF3
E3 ubiquitin-protein ligase ZNRF3
Also known as: BK747E2.3, FLJ22057, KIAA1133, RNF203, ZNRF3_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q9ULT6
- Gene
- ZNRF3
- Ensembl
- ENSG00000183579
- Chromosome
- 22
- Canonical length
- 936 aa
- Protein class
- Enzymes, Predicted membrane proteins
- Subcellular location
- Golgi apparatus
OverviewNCBI Gene
Enables frizzled binding activity and ubiquitin-protein transferase activity. Involved in negative regulation of Wnt signaling pathway; protein ubiquitination; and ubiquitin-dependent protein catabolic process. Located in plasma membrane. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
936 residues, UniProt reviewed canonical sequence.
>Q9ULT6|ZNRF3
1 MRPRSGGRPG ATGRRRRRLR RRPRGLRCSR LPPPPPLPLL LGLLLAAAGP GAARAKETAF
61 VEVVLFESSP SGDYTTYTTG LTGRFSRAGA TLSAEGEIVQ MHPLGLCNNN DEEDLYEYGW
121 VGVVKLEQPE LDPKPCLTVL GKAKRAVQRG ATAVIFDVSE NPEAIDQLNQ GSEDPLKRPV
181 VYVKGADAIK LMNIVNKQKV ARARIQHRPP RQPTEYFDMG IFLAFFVVVS LVCLILLVKI
241 KLKQRRSQNS MNRLAVQALE KMETRKFNSK SKGRREGSCG ALDTLSSSST SDCAICLEKY
301 IDGEELRVIP CTHRFHRKCV DPWLLQHHTC PHCRHNIIEQ KGNPSAVCVE TSNLSRGRQQ
361 RVTLPVHYPG RVHRTNAIPA YPTRTSMDSH GNPVTLLTMD RHGEQSLYSP QTPAYIRSYP
421 PLHLDHSLAA HRCGLEHRAY SPAHPFRRPK LSGRSFSKAA CFSQYETMYQ HYYFQGLSYP
481 EQEGQSPPSL APRGPARAFP PSGSGSLLFP TVVHVAPPSH LESGSTSSFS CYHGHRSVCS
541 GYLADCPGSD SSSSSSSGQC HCSSSDSVVD CTEVSNQGVY GSCSTFRSSL SSDYDPFIYR
601 SRSPCRASEA GGSGSSGRGP ALCFEGSPPP EELPAVHSHG AGRGEPWPGP ASPSGDQVST
661 CSLEMNYSSN SSLEHRGPNS STSEVGLEAS PGAAPDLRRT WKGGHELPSC ACCCEPQPSP
721 AGPSAGAAGS STLFLGPHLY EGSGPAGGEP QSGSSQGLYG LHPDHLPRTD GVKYEGLPCC
781 FYEEKQVARG GGGGSGCYTE DYSVSVQYTL TEEPPPGCYP GARDLSQRIP IIPEDVDCDL
841 GLPSDCQGTH SLGSWGGTRG PDTPRPHRGL GATREEERAL CCQARALLRP GCPPEEAGAV
901 RANFPSALQD TQESSTTATE AAGPRSHSAD SSSPGALocalizationUniProt · AlphaFold · HPA
Whether an antibody against ZNRF3 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
- Cell surface
- Secreted
- No
- Transmembrane segments
- 1
- Mean surface accessibility (rSASA)
- 0.62
- Highest tissue expression
- 13 nTPM
Expression across tissuesHPA
Tissue
- epididymis: 13 nTPM
- cerebral cortex: 9.7 nTPM
- parathyroid gland: 8.2 nTPM
- basal ganglia: 8.1 nTPM
- kidney: 7.7 nTPM
- seminal vesicle: 7.3 nTPM
Single-cell type
- podocytes: 1,196 nCPM
- astrocytes: 631 nCPM
- loop of henle epithelial cells: 400 nCPM
- renal collecting duct intercalated cells: 306 nCPM
- renal collecting duct principal cells: 292 nCPM
- proximal tubule cells: 290 nCPM
Immune cell
- NK-cell: 0.3 nTPM
- basophil: 0.2 nTPM
- eosinophil: 0.2 nTPM
- neutrophil: 0.2 nTPM
- intermediate monocyte: 0.1 nTPM
- classical monocyte: 0 nTPM
Brain region
- thalamus: 39 nTPM
- medulla oblongata: 39 nTPM
- cerebral cortex: 38 nTPM
- hippocampal formation: 36 nTPM
- amygdala: 34 nTPM
- basal ganglia: 33 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about ZNRF3.
Disease | GeneticClinVar
7 pathogenic / likely-pathogenic of 166 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- ZNRF3-related disorder
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)
- 0.29
- gnomAD pLI
- 0.99
- gnomAD missense Z
- 0.98
- DepMap mean gene effect
- 0.01
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- limb development
- negative regulation of canonical Wnt signaling pathway
- negative regulation of non-canonical Wnt signaling pathway
- protein ubiquitination
- regulation of Wnt signaling pathway, planar cell polarity pathway
- stem cell proliferation
- ubiquitin-dependent protein catabolic process
- Wnt receptor catabolic process
- Wnt signaling pathway
Molecular functions
- frizzled binding
- ubiquitin protein ligase activity
- ubiquitin-protein transferase activity
- zinc ion binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Zinc finger, RING-type
- Zinc finger, RING/FYVE/PHD-type
- ZNRF-3, ectodomain
- ZNRF3/Arkadia E3 ubiquitin-protein ligases
- Ring finger domain
- ZNRF-3 Ectodomain
- E3 ubiquitin-protein ligase ZNRF3, zinc finger, RING-type
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of ZNRF3 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 ZNRF3 as an antibody target. Whether an autoantibody or antibody against ZNRF3 could matter depends on whether native ZNRF3 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ZNRF3 is annotated at the cell surface, where native ZNRF3 is exposed to circulating antibodies and is a prime autoantibody target that could block, deplete, or overstimulate it.
Annotation status
The present source text does not explicitly label ZNRF3 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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