Seroatlas · Human Serome Atlas

ATL2

Atlastin-2

Also known as: ARL6IP2, ATLA2_HUMAN, atlastin2

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

Protein identityUniProt · HPA

UniProt accession
Q8NHH9
Gene
ATL2
Ensembl
ENSG00000119787
Chromosome
2
Canonical length
583 aa
Protein class
Predicted intracellular proteins, Predicted membrane proteins, Transporters
Subcellular location
Endoplasmic reticulum
Quaternary structure
Homodimer

OverviewNCBI Gene

Enables identical protein binding activity. Involved in Golgi organization; endoplasmic reticulum tubular network membrane organization; and protein homooligomerization. Located in endoplasmic reticulum tubular network membrane. [provided by Alliance of Genome Resources, Apr 2025]

Canonical amino-acid sequenceUniProt

583 residues, UniProt reviewed canonical sequence.

>Q8NHH9|ATL2
     1  MAEGDEAARG QQPHQGLWRR RRTSDPSAAV NHVSSTTSLG ENYEDDDLVN SDEVMKKPCP
    61  VQIVLAHEDD HNFELDEEAL EQILLQEHIR DLNIVVVSVA GAFRKGKSFL LDFMLRYMYN
   121  KDSQSWIGGN NEPLTGFTWR GGCERETTGI QVWNEVFVID RPNGTKVAVL LMDTQGAFDS
   181  QSTIKDCATV FALSTMTSSV QVYNLSQNIQ EDDLQHLQLF TEYGRLAMEE IYQKPFQTLM
   241  FLIRDWSYPY EHSYGLEGGK QFLEKRLQVK QNQHEELQNV RKHIHNCFSN LGCFLLPHPG
   301  LKVATNPSFD GRLKDIDEDF KRELRNLVPL LLAPENLVEK EISGSKVTCR DLVEYFKAYI
   361  KIYQGEELPH PKSMLQATAE ANNLAAVAGA RDTYCKSMEQ VCGGDKPYIA PSDLERKHLD
   421  LKEVAIKQFR SVKKMGGDEF CRRYQDQLEA EIEETYANFI KHNDGKNIFY AARTPATLFA
   481  VMFAMYIISG LTGFIGLNSI AVLCNLVMGL ALIFLCTWAY VKYSGEFREI GTVIDQIAET
   541  LWEQVLKPLG DNLMEENIRQ SVTNSIKAGL TDQVSHHARL KTD

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against ATL2 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
2
Mean surface accessibility (rSASA)
0.33
Highest tissue expression
52 nTPM

Expression across tissuesHPA

Tissue

  • thyroid gland: 52 nTPM
  • skeletal muscle: 49 nTPM
  • salivary gland: 49 nTPM
  • skin: 45 nTPM
  • colon: 45 nTPM
  • tongue: 43 nTPM

Single-cell type

  • lacrimal acinar cells: 322 nCPM
  • salivary ionocytes: 281 nCPM
  • salivary acinar cells: 251 nCPM
  • adrenal cortex cells: 237 nCPM
  • myonuclei: 236 nCPM
  • transitional alveolar cells: 231 nCPM

Immune cell

  • eosinophil: 11 nTPM
  • naive B-cell: 4.3 nTPM
  • naive CD4 T-cell: 4.1 nTPM
  • MAIT T-cell: 3.8 nTPM
  • non-classical monocyte: 3.8 nTPM
  • T-reg: 3.6 nTPM

Brain region

  • cerebellum: 49 nTPM
  • basal ganglia: 37 nTPM
  • cerebral cortex: 31 nTPM
  • choroid plexus: 30 nTPM
  • hypothalamus: 28 nTPM
  • white matter: 25 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)
0.5
gnomAD pLI
0.01
gnomAD missense Z
0.39
DepMap mean gene effect
-0.67
DepMap dependency class
common

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 ATL2 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 ATL2 as an antibody target. Whether an autoantibody or antibody against ATL2 could matter depends on whether native ATL2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

ATL2 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 ATL2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/ATL2. 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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