Seroatlas · Human Serome Atlas

ATP10B

Phospholipid-transporting ATPase VB

Also known as: AT10B_HUMAN, ATPVB, FLJ21477, KIAA0715

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

Protein identityUniProt · HPA

UniProt accession
O94823
Gene
ATP10B
Ensembl
ENSG00000118322
Chromosome
5
Canonical length
1461 aa
Protein class
Enzymes, Predicted intracellular proteins, Predicted membrane proteins

OverviewNCBI Gene

Enables glycosylceramide flippase activity and phosphatidylcholine flippase activity. Involved in lysosomal membrane organization. Located in endoplasmic reticulum; late endosome membrane; and lysosomal membrane. Part of phospholipid-translocating ATPase complex. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

1461 residues, UniProt reviewed canonical sequence.

>O94823|ATP10B
     1  MALSVDSSWH RWQWRVRDGF PHCPSETTPL LSPEKGRQSY NLTQQRVVFP NNSIFHQDWE
    61  EVSRRYPGNR TCTTKYTLFT FLPRNLFEQF HRWANLYFLF LVILNWMPSM EVFHREITML
   121  PLAIVLFVIM IKDGMEDFKR HRFDKAINCS NIRIYERKEQ TYVQKCWKDV RVGDFIQMKC
   181  NEIVPADILL LFSSDPNGIC HLETASLDGE TNLKQRCVVK GFSQQEVQFE PELFHNTIVC
   241  EKPNNHLNKF KGYMEHPDQT RTGFGCESLL LRGCTIRNTE MAVGIVIYAG HETKAMLNNS
   301  GPRYKRSKIE RRMNIDIFFC IGILILMCLI GAVGHSIWNG TFEEHPPFDV PDANGSFLPS
   361  ALGGFYMFLT MIILLQVLIP ISLYVSIELV KLGQVFFLSN DLDLYDEETD LSIQCRALNI
   421  AEDLGQIQYI FSDKTGTLTE NKMVFRRCTI MGSEYSHQEN AKRLETPKEL DSDGEEWTQY
   481  QCLSFSARWA QDPATMRSQK GAQPLRRSQS ARVPIQGHYR QRSMGHRESS QPPVAFSSSI
   541  EKDVTPDKNL LTKVRDAALW LETLSDSRPA KASLSTTSSI ADFFLALTIC NSVMVSTTTE
   601  PRQRVTIKPS SKALGTSLEK IQQLFQKLKL LSLSQSFSST APSDTDLGES LGANVATTDS
   661  DERDDASVCS GGDSTDDGGY RSSMWDQGDI LESGSGTSLE EALEAPATDL ARPEFCYEAE
   721  SPDEAALVHA AHAYSFTLVS RTPEQVTVRL PQGTCLTFSL LCTLGFDSVR KRMSVVVRHP
   781  LTGEIVVYTK GADSVIMDLL EDPACVPDIN MEKKLRKIRA RTQKHLDLYA RDGLRTLCIA
   841  KKVVSEEDFR RWASFRREAE ASLDNRDELL METAQHLENQ LTLLGATGIE DRLQEGVPDT
   901  IATLREAGIQ LWVLTGDKQE TAVNIAHSCR LLNQTDTVYT INTENQETCE SILNCALEEL
   961  KQFRELQKPD RKLFGFRLPS KTPSITSEAV VPEAGLVIDG KTLNAIFQGK LEKKFLELTQ
  1021  YCRSVLCCRS TPLQKSMIVK LVRDKLRVMT LSIGDGANDV SMIQAADIGI GISGQEGMQA
  1081  VMSSDFAITR FKHLKKLLLV HGHWCYSRLA RMVVYYLYKN VCYVNLLFWY QFFCGFSSST
  1141  MIDYWQMIFF NLFFTSLPPL VFGVLDKDIS AETLLALPEL YKSGQNSECY NLSTFWISMV
  1201  DAFYQSLICF FIPYLAYKGS DIDVFTFGTP INTISLTTIL LHQAMEMKTW TIFHGVVLLG
  1261  SFLMYFLVSL LYNATCVICN SPTNPYWVME GQLSNPTFYL VCFLTPVVAL LPRYFFLSLQ
  1321  GTCGKSLISK AQKIDKLPPD KRNLEIQSWR SRQRPAPVPE VARPTHHPVS SITGQDFSAS
  1381  TPKSSNPPKR KHVEESVLHE QRCGTECMRD DSCSGDSSAQ LSSGEHLLGP NRIMAYSRGQ
  1441  TDMCRCSKRS SHRRSQSSLT I

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against ATP10B 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
10
Mean surface accessibility (rSASA)
0.35
Highest tissue expression
43 nTPM

Expression across tissuesHPA

Tissue

  • rectum: 43 nTPM
  • colon: 42 nTPM
  • duodenum: 23 nTPM
  • small intestine: 20 nTPM
  • gallbladder: 16 nTPM
  • epididymis: 12 nTPM

Single-cell type

  • retinal pigment epithelial cells: 2,622 nCPM
  • bergmann glia: 889 nCPM
  • oligodendrocytes: 505 nCPM
  • oligodendrocyte progenitor cells: 331 nCPM
  • foveolar cells: 290 nCPM
  • esophageal apical cells: 276 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

  • white matter: 37 nTPM
  • medulla oblongata: 25 nTPM
  • pons: 21 nTPM
  • cerebellum: 20 nTPM
  • basal ganglia: 20 nTPM
  • thalamus: 18 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)
1.02
gnomAD pLI
0
gnomAD missense Z
-0.09
DepMap mean gene effect
0.05
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

Biological processes

Molecular functions

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of ATP10B 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 ATP10B as an antibody target. Whether an autoantibody or antibody against ATP10B could matter depends on whether native ATP10B is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

ATP10B 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 ATP10B as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/ATP10B. 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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