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A274

Sigma-Aldrich

Monoclonal Anti-H+/K+ ATPase (β Subunit) antibody produced in mouse

clone 2G11, ascites fluid, buffered aqueous solution

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

ascites fluid

antibody product type

primary antibodies

clone

2G11, monoclonal

form

buffered aqueous solution

mol wt

antigen 60-80 kDa (glycosylated form)

species reactivity

pig, mouse, rabbit, rat, bovine, ferret, canine

technique(s)

immunohistochemistry (frozen sections): suitable
indirect immunofluorescence: 1:2,000
western blot (chemiluminescent): 1:4,000

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

mouse ... Atp4b(11945)
rat ... Atp4b(24217)

General description

The H+/K+-ATPase is a gastric proton pump that is a member of the P-type cation-transporting adenosine 5′-triphosphatase (ATPase) family. H+/K+-ATPase consists of a large transmembrane, catalytic α subunit, that contains sites for ATP binding and phosphorylation. This ATPase also has a smaller glycoprotein (β) subunit which may play a role in maintaining the structural and functional integrity of the complex. Mouse monoclonal anti-H+/K+ ATPase (β subunit) binds to H+/K+-ATPase β subunit in cow, dog, pig, rabbit, mouse, ferret and rat tissues. By immunoblotting, the antibody detects various forms of the β subunit, including a 60-80kDa glycosylated protein, a 52kDa β subunit precursor and the 34kDa core peptide.
The antibody reacts with various forms of the H+/K+ ATPase β subunit. It binds an epitope within amino acids 1-13 or 15-28 located on the cytoplasmic side of the β subunit. The antibody has been shown to inhibit the enzymatic activity of the H+/K+-ATPase and to alter the affinity of the cytoplasmic K+ binding site. It may be used to localize and detect H+/K+ ATPase β subunit.

Immunogen

core 34 kDa H+/K+ ATPase β subunit from deglycosylated pig gastric microsomes.

Application

Applications in which this antibody has been used successfully, and the associated peer-reviewed papers, are given below.
Western Blotting (1 paper)
Mouse monoclonal anti-H+/K+ ATPase (β subunit) antibody can be used for indirect immunofluorescence (1:2,000), chemiluminescent western blot (1:4,000), and immunohistochemical applications.

Physical form

Solution in phosphate buffered saline containing 0.05% sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Penghong Song et al.
The Journal of biological chemistry, 286(16), 14120-14128 (2011-03-04)
Kir4.1 channels were found to colocalize with the H(+)/K(+)-ATPase throughout the parietal cell (PC) acid secretory cycle. This study was undertaken to explore their functional role. Acid secretory rates, electrophysiological parameters, PC ultrastructure, and gene and protein expression were determined
Lin Ding et al.
Frontiers in immunology, 14, 1139391-1139391 (2023-06-19)
MDSCs express SCHLAFEN 4 (SLFN4) in Helicobacter-infected stomachs coincident with spasmolytic polypeptide-expressing metaplasia (SPEM), a precursor of gastric cancer. We aimed to characterize SLFN4+ cell identity and the role of Slfn4 in these cells. Single-cell RNA sequencing was performed on
Marco Tozzi et al.
Cancers, 12(3) (2020-03-14)
Pancreatic duct cells are equipped with acid/base transporters important for exocrine secretion. Pancreatic ductal adenocarcinoma (PDAC) cells may utilize such transporters to acidify extracellular tumor microenvironment, creating a niche favoring cell proliferation, fibrosis and resistance to chemotherapy-all contributing to the
Jing Wang et al.
PloS one, 10(5), e0126432-e0126432 (2015-05-21)
The mechanism by which pancreas secretes high HCO3- has not been fully resolved. This alkaline secretion, formed in pancreatic ducts, can be achieved by transporting HCO3- from serosa to mucosa or by moving H+ in the opposite direction. The aim

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