Seroatlas · Human Serome Atlas

MBD3L2

Methyl-CpG-binding domain protein 3-like 2

Also known as: MB3L2_HUMAN

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

Protein identityUniProt · HPA

UniProt accession
Q8NHZ7
Gene
MBD3L2
Ensembl
ENSG00000230522
Chromosome
19
Canonical length
208 aa
Protein class
Predicted intracellular proteins
Subcellular location
Nucleoplasm,Nucleoli,Cytosol

OverviewNCBI Gene

This gene encodes a protein that is related to methyl-CpG-binding proteins but lacks the methyl-CpG binding domain. The protein has been found in germ cell tumors and some somatic tissues. [provided by RefSeq, Jul 2008]

Canonical amino-acid sequenceUniProt

208 residues, UniProt reviewed canonical sequence.

>Q8NHZ7|MBD3L2
     1  MGEPAFTSFP SLPVLGKLKR NMMPWALQKK REIHMAKAHR RRAARSALPM RLTSCIFRRP
    61  VTRIRSHPDN QVRRRKGDEH LEKPQQLCAY RRLQALQPCS SQGEGSSPLH LESVLSILAP
   121  GTAGESLDRA GAERVRSPLE PTPGRFPAVA GGPTPGMGCQ LPPPLSGQLV TPADIRRQAR
   181  RVKKARERLA KALQADRLAR RAEMLTGG

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against MBD3L2 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)
0.63
Highest tissue expression
0 nTPM

Expression across tissuesHPA

Tissue

  • adipose tissue: 0 nTPM
  • adrenal gland: 0 nTPM
  • amygdala: 0 nTPM
  • appendix: 0 nTPM
  • basal ganglia: 0 nTPM
  • blood vessel: 0 nTPM

Single-cell type

  • early spermatids: 0.2 nCPM
  • early primary spermatocytes: 0.1 nCPM
  • adipocytes: 0 nCPM
  • adrenal cortex cells: 0 nCPM
  • adrenal medulla cells: 0 nCPM
  • alveolar cells type 1: 0 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: 0 nTPM
  • basal ganglia: 0 nTPM
  • cerebellum: 0 nTPM
  • cerebral cortex: 0 nTPM
  • choroid plexus: 0 nTPM
  • hippocampal formation: 0 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 missense Z
-0.36

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 6% 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 MBD3L2 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 MBD3L2 as an antibody target. Whether an autoantibody or antibody against MBD3L2 could matter depends on whether native MBD3L2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

MBD3L2 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 MBD3L2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/MBD3L2. 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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