Seroatlas · Human Serome Atlas

FAM241A

Uncharacterized protein FAM241A

Also known as: C4orf32, F241A_HUMAN, FLJ39370

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

Protein identityUniProt · HPA

UniProt accession
Q8N8J7
Gene
FAM241A
Ensembl
ENSG00000174749
Chromosome
4
Canonical length
132 aa
Protein class
Predicted membrane proteins
Subcellular location
Golgi apparatus

OverviewNCBI Gene

Located in Golgi apparatus. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

132 residues, UniProt reviewed canonical sequence.

>Q8N8J7|FAM241A
     1  MCSAGELLRG GDGGERDEDG DALAEREAAG TGWDPGASPR RRGQRPKESE QDVEDSQNHT
    61  GEPVGDDYKK MGTLFGELNK NLINMGFTRM YFGERIVEPV IVIFFWVMLW FLGLQALGLV
   121  AVLCLVIIYV QQ

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against FAM241A 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
1
Mean surface accessibility (rSASA)
0.63
Highest tissue expression
16 nTPM

Expression across tissuesHPA

Tissue

  • adipose tissue: 16 nTPM
  • breast: 11 nTPM
  • placenta: 10 nTPM
  • retina: 8.9 nTPM
  • salivary gland: 8.2 nTPM
  • stomach: 6.8 nTPM

Single-cell type

  • vascular endothelial cells: 254 nCPM
  • breast lactating cells: 237 nCPM
  • breast hormone-responsive cells: 176 nCPM
  • thymocytes: 159 nCPM
  • innate lymphoid cells: 157 nCPM
  • lymphatic endothelial cells: 135 nCPM

Immune cell

  • basophil: 2.7 nTPM
  • neutrophil: 1.4 nTPM
  • plasmacytoid DC: 1 nTPM
  • naive B-cell: 0.8 nTPM
  • classical monocyte: 0.6 nTPM
  • eosinophil: 0.6 nTPM

Brain region

  • cerebellum: 101 nTPM
  • cerebral cortex: 99 nTPM
  • white matter: 94 nTPM
  • basal ganglia: 87 nTPM
  • amygdala: 78 nTPM
  • hippocampal formation: 78 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)
0.85
gnomAD pLI
0.66
DepMap mean gene effect
0.07
DepMap dependency class
none

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

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of FAM241A 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 FAM241A as an antibody target. Whether an autoantibody or antibody against FAM241A could matter depends on whether native FAM241A is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

FAM241A 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 FAM241A as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/FAM241A. 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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