ATP4B (ATPase H+/K+ transporting subunit beta)

symbol
ATP4B
locus group
protein-coding gene
location
13q34
gene_family
P-type ATPases
alias symbol
ATP6B
alias name
None
entrez id
496
ensembl gene id
ENSG00000186009
ucsc gene id
uc001vtz.5
refseq accession
NM_000705
hgnc_id
HGNC:820
approved reserved
1992-11-26
13q34
ChineseEnglish

The protein encoded by this gene belongs to a family of P-type cation-transporting ATPases. The gastric H+, K+-ATPase is a heterodimer consisting of a high molecular weight catalytic alpha subunit and a smaller but heavily glycosylated beta subunit. This enzyme is a proton pump that catalyzes the hydrolysis of ATP coupled with the exchange of H(+) and K(+) ions across the plasma membrane. It is also responsible for gastric acid secretion. This gene encodes the beta subunit of the gastric H+, K+-ATPase. [provided by RefSeq, Jul 2008]

Nucleotide sequence of ATP4B:[NCBI]
Loading Gene Browser...
Protein Sequence
1MAALQEKKTC GQRMEEFQRY CWNPDTGQML GRTLSRWVWI
41SLYYVAFYVV MTGLFALCLY VLMQTVDPYT PDYQDQLRSP
81 GVTLRPDVY GEKGLEIVYN VSDNRTWADL TQTLHAFLAG
121YSPAAQEDSI NCTSEQYFFQ ESFRAPNHTK FSCKFTADML
161Q NCSGLADP NFGFEEGKPC FIIKMNRIVK FLPSNGSAPR
201VDCAFLDQPR ELGQPLQVKY YPPNGTFSLH YFPYYGKKAQ
241PH YSNPLVA AKLLNIPRNA EVAIVCKVMA EHVTFNNPHD
281PYEGKVEFKL KIEK
Structure predicted by AlphaFold DB(UniProt: P51164). Color indicates pLDDT confidence (dark blue = high, yellow/orange = low).
SNP variants of ATP4B:           Showing partial SNPs
rs4074271       rs4076410       rs6577060       rs9285616       rs9324254       rs9324255       rs9669827       rs9669831       rs9669863       rs9669886       rs9670223       rs9670289       rs9670304       rs9670310       rs9670412       rs9670626       rs9670733      
Forward Primer
Forward Tm
Reverse Primer
Reverse Tm
Score
CCTTCCTAGCAGGCTACTC
59
AAACTCTCCTGGAAGAAGTACTG
59
CTTCCTAGCAGGCTACTCTC
59
AAACTCTCCTGGAAGAAGTACTG
59
CCTTCCTAGCAGGCTACTC
59
AACTCTCCTGGAAGAAGTACTG
59

Subcellular localization of ATP4B (and its protein):

[UniProt]     [GenomeNet]

" d="M482.414,245.296c3.539,4.293,4.455,10.009,0.202,11 c-4.244,0.996-4.983-10.983-8.293-8.438c-5.271,4.08,9.834,12.271,5.144,17.287c-3.717,3.607-6.172-5.75-10.839-1.976 c-4.673,3.776,6.781,7.299,2.831,11.326c-4.354,4.045-6.979-1.449-9.837-5.517c-1.193-1.742-2.059-3.851-3.595-2.748 c-1.516,1.078-1.854,1.795-0.938,3.666c2.374,4.854,9.235,10.119,5.156,12.535c-5.636,3.346-5.044-8.871-9.426-7.574 c-4.388,1.291,2.557,10.66-1.245,11.141c-4.089,0.545-3.483-10.239-6.979-8.575c-2.522,1.206-0.929,3.071-0.938,4.899 c0.004,1.32-0.964,3.6-2.372,4.062c-3.593,1.171-8.544-1.065-10.251-3.59c-6.04-8.93,0.396-15.997,4.639-7.015 c3.023,4.642,5.182,0.834,2.839-2.219c-1.032-1.354-4.309-5.901-0.781-7.252c2.904-1.113,4.271,1.941,5.985,4.592 c2.61,4.016,5.485,0.117,3.031-3.414c-1.828-2.633-2.74-3.803,3.156-7.42c6.405-4.369,6.52,3.869,10.077,0.646 c2.309-1.832-4.783-5.149,0.06-8.995c2.896-2.293,5.18,6.207,7.961,3.516c3.523-2.737-7.717-7.369,0.117-11.736 C473.413,240.77,480.519,242.891,482.414,245.296z"/> Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
  • plasma membrane
  • cytoplasm
  • extracellular
  • golgi
  • vesicle
  • cytoskeleton
  • endoplasmic reticulum
  • nucleus
  • endosome
  • lysosome
  • mitochondrion

Gene Ontology (GO) terms for ATP4B:

GO ID
Protein
Source DB
GO:0005515
P51164 (UniProtKB)
IPI
GO:0005886
P51164 (UniProtKB)
TAS
GO:0005890
P51164 (UniProtKB)
IEA
GO:0006813
P51164 (UniProtKB)
IEA
GO:0006814
P51164 (UniProtKB)
IEA
GO:0007155
P51164 (UniProtKB)
IEA
GO:0008900
P51164 (UniProtKB)
TAS
GO:0010243
P51164 (UniProtKB)
IEA
GO:0032496
P51164 (UniProtKB)
IEA
GO:0034220
P51164 (UniProtKB)
TAS
GO:1902600
P51164 (UniProtKB)
IEA
String
BioGrid
IntAct
mentha
Reactome
Loading…
Interacting Gene Interaction Source/Score
Disease Score NofPmids NofSnps Source
Disease Score NofPmids NofSnps Source
Cardiovascular Diseases 0.002367032 1 0 GAD
Stomach Carcinoma 0.000542884 2 0 BeFree
Malignant neoplasm of stomach 0.000542884 2 0 BeFree
Coronary Arteriosclerosis 0.000271442 1 0 BeFree
Coronary heart disease 0.000271442 1 0 BeFree
Coronary Artery Disease 0.000271442 1 0 BeFree
ITPG: an immune-related transcriptomic predictive model for gastric cancer prognosis.
Li M, Sun Y, Zhang L, Lu Z, Wo H, Shao F, Tang S, Zhao Y, Dai J, Yi H Transl Cancer Res IF: 2.1 2026-02-28
Genetic causal association between kidney stones and proton pump inhibitors.
Jiang Y, Lin L, Cheng C, Zhou L Int Urol Nephrol IF: 2.2 2026-09-00
Targeting the YAP-BST2 Axis Overcomes Intrinsic Anti-PD-1 Resistance in Metastatic Gastric Cancer.
Zhang W, Wang S, Wang M, Yu R, Yue J, Shao L, Zhang H, Zhu M, Tian L, Cheng S, Qin W, Tang Y, Han Y, Wang W, An L, Meng Y, Jiao S, Zhou Z Adv Sci (Weinh) IF: 9.034 2026-09-21
AI-Assisted Detection of Early Gastric Cancer via Visualization of Mucosal Acidity Compromise During Endoscopy.
Yan H, Li Z, Zhao J, Su L, Jin Z, Zhao W, Duan R, Zhou S, Wang L, Mao J, Lu X, Gai W, Du Y, Du Q, Fang C, Zhao Y, You Y, Cai J, Li C Adv Sci (Weinh) IF: 9.034 2025-12-00
Proton Pump Inhibitors Inhibit Pancreatic Secretion: Role of Gastric and Non-Gastric H+/K+-ATPases.
Wang Jing, Barbuskaite Dagne, Tozzi Marco, Giannuzzo Andrea, Sørensen Christiane E, Novak Ivana PLoS One IF: 2.6 2016-04-18
Slow overmethylation of housekeeping genes in the body mucosa is associated with the risk for gastric cancer.
Oh Jung-Hwan, Rhyu Mun-Gan, Jung Sung-Hoon, Choi Sang-Wook, Kim Suk-Il, Hong Seung-Jin Cancer Prev Res (Phila) IF: 3.4 2015-04-16
Calcium gluconate supplementation is effective to balance calcium homeostasis in patients with gastrectomy.
Krause M, Keller J, Beil B, van Driel I, Zustin J, Barvencik F, Schinke T, Amling M Osteoporos Int IF: 5.4 2015-12-21
Prediction of gene-phenotype associations in humans, mice, and plants using phenologs.
Woods John O, Singh-Blom Ulf Martin, Laurent Jon M, McGary Kriston L, Marcotte Edward M BMC Bioinformatics IF: 4.4 2014-02-28

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