Seroatlas · Human Serome Atlas

IGLV11-55

Probable non-functional immunoglobulin lambda variable 11-55

Also known as: LVK55_HUMAN

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

Protein identityUniProt · HPA

UniProt accession
A0A075B6I3
Gene
IGLV11-55
Ensembl
ENSG00000211641
Chromosome
22
Canonical length
123 aa
Protein class
Immunoglobulin genes, Predicted secreted proteins
Secretome location
Immunoglobulin genes

OverviewNCBI Gene

Predicted to be involved in immune response. Predicted to be located in extracellular region and plasma membrane. Predicted to be part of immunoglobulin complex. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

123 residues, UniProt reviewed canonical sequence.

>A0A075B6I3|IGLV11-55
     1  MALTPLLLLL LSHCTGSLSR PVLTQPPSLS ASPGATARLP CTLSSDLSVG GKNMFWYQQK
    61  LGSSPRLFLY HYSDSDKQLG PGVPSRVSGS KETSSNTAFL LISGLQPEDE ADYYCQVYES
   121  SAN

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against IGLV11-55 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
0
Highest tissue expression
1 nTPM

Expression across tissuesHPA

Tissue

  • tonsil: 1 nTPM
  • rectum: 0.8 nTPM
  • duodenum: 0.6 nTPM
  • small intestine: 0.5 nTPM
  • colon: 0.4 nTPM
  • lymph node: 0.4 nTPM

Single-cell type

  • late spermatids: 7.4 nCPM
  • early spermatids: 0.9 nCPM
  • plasma cells: 0.6 nCPM
  • adipocytes: 0 nCPM
  • adrenal cortex cells: 0 nCPM
  • adrenal medulla cells: 0 nCPM

Immune cell

  • MAIT T-cell: 0.6 nTPM
  • memory B-cell: 0.2 nTPM
  • basophil: 0 nTPM
  • classical monocyte: 0 nTPM
  • eosinophil: 0 nTPM
  • gdT-cell: 0 nTPM

Brain region

  • cerebral cortex: 0.9 nTPM
  • white matter: 0.5 nTPM
  • basal ganglia: 0.2 nTPM
  • hippocampal formation: 0.2 nTPM
  • pons: 0.1 nTPM
  • amygdala: 0 nTPM

OntologyGO

Biological processes

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

Antibody and autoantibody relevanceSeroatlas analysis

Seroatlas reads IGLV11-55 as an antibody target. Whether an autoantibody or antibody against IGLV11-55 could matter depends on whether native IGLV11-55 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

IGLV11-55 is annotated at the cell surface, where native IGLV11-55 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 IGLV11-55 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/IGLV11-55. 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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