ATP4B Monoclonal Antibody (2G11)

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Product Description

MA3-923 detects the beta-subunit of hydrogen/potassium ATPase from bovine, human, canine, porcine, rabbit, mouse, ferret, and rat tissues. MA3-923 has been successfully used in Western blot, immunohistochemistry, immunocytochemistry, and immunoprecipitation procedures (ChIP). By Western blot, this antibody detects various forms of the beta-subunit, including a 60 to 80 kDa glycosylated protein, a 52 kDa beta-subunit precursor, and the 34 kDa core peptide from rabbit stomach extracts. Immunohistochemical staining of hydrogen/potassium ATPase in rabbit gastric glands with MA3-923 results in specific staining of parietal cells. MA3-923 has been shown to inhibit the enzymatic activity of the hydrogen/potassium ATPase and to alter the affinity of the cytoplasmic potassium binding site. The MA3-923 antigen is purified 34 kDa core peptide from deglycosylated hog gastric microsomes. This antibody recognizes an epitope between amino acid residues 1-13 or 15-28 located on the cytoplasmic side of the beta-subunit. The hydrogen/potassium ATPase, or gastric proton pump, belongs to a family of P-type cation-transporting ATPases. This family of ATPases shares a number of functional and structural similarities including the common feature of consisting of an alpha and beta subun