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ATP1B4 Antibody, Mouse MAb

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Human ATP1B4 Antibody Product Information
Immunogen:Recombinant Human ATP1B4 protein
Clone ID:4D5D4
Ig Type:Mouse IgG2b
Concentration:
Endotoxin:
Formulation:0.2 μm filtered solution in PBS with 5% trehalose
Preparation:This antibody was produced from a hybridoma resulting from the fusion of a mouse myeloma with B cells obtained from a mouse immunized with purified, recombinant Human ATP1B4 (mature form, NP_036201.1; Tyr 132-Thr 357). The IgG fraction of the cell culture supernatant was purified by Protein A affinity chromatography.
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ATP1B4 Background

ATP1B4 is a member of the X(+)/potassium ATPases subunit beta family. It is highly expressed in skeletal muscle and at a lower level in heart. ATP1B4 gene can be found in all vertebrate genomes sequenced to date. However, this gene has undergone a change in function in placental mammals compared to other species. Specifically, in fish, avian, and amphibian species, this gene encodes plasma membrane-bound beta-subunits of Na, K-ATPase. In placental mammals, the encoded protein interacts with the nuclear transcriptional coregulator SKIP and may be involved in the regulation of TGF-beta signaling. ATP1B4 may act as a transcriptional coregulator during muscle development through its interaction with SNW1. Na+, K+-ATPase is an important regulator of intracellular electrolyte levels in most mammalian cells. It is a Mg2+-dependent transport pump responsible for maintaining the low intracellular Na+:K+ ratio that is essential for cell homeostasis and physiological function. It catalyzes the active uptake of K+ and extrusion of Na+ at the expense of hydrolyzing ATP with a stoichiometry of 3 Na+ for 2 K+. ATP1B4 has lost its ancestral function as a Na,K-ATPase beta-subunit.

Human ATP1B4 References
  • Pestov NB. et al., 2007, Proc Natl Acad Sci. 104 (27): 11215-20.
  • Kung AW. et al., 2006, Clin Endocrinol. 64 (2): 158-61.
  • Gerhard DS. et al., 2004, Genome Res. 14 (10B): 2121-7.
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