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ATP4B Antibody (N-term) Blocking Peptide

Synthetic peptide

     
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Product Information
Primary Accession P51164
Additional Information
Gene ID 496
Other Names Potassium-transporting ATPase subunit beta, Gastric H(+)/K(+) ATPase subunit beta, Proton pump beta chain, ATP4B
Format Peptides are lyophilized in a solid powder format. Peptides can be reconstituted in solution using the appropriate buffer as needed.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.
PrecautionsThis product is for research use only. Not for use in diagnostic or therapeutic procedures.
Protein Information
Name ATP4B (HGNC:820)
Function The beta subunit of the gastric H(+)/K(+) ATPase pump which transports H(+) ions in exchange for K(+) ions across the apical membrane of parietal cells. Plays a structural and regulatory role in the assembly and membrane targeting of a functionally active pump (By similarity). Within a transport cycle, the transfer of a H(+) ion across the membrane is coupled to ATP hydrolysis and is associated with a transient phosphorylation of the alpha subunit that shifts the pump conformation from inward-facing (E1) to outward-facing state (E2). Interacts with the phosphorylation domain of the alpha subunit and functions as a ratchet, stabilizing the lumenal-open E2 conformation and preventing the reverse reaction of the transport cycle (By similarity).
Cellular Location Apical cell membrane {ECO:0000250|UniProtKB:P20648}; Single-pass type II membrane protein. Cell membrane {ECO:0000250|UniProtKB:P18597}; Single- pass type II membrane protein. Note=Localized in the apical canalicular membrane of parietal cells {ECO:0000250|UniProtKB:P20648}
Research Areas
Citations (0)
citation

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Background

ATP4B 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.

References

Bab-Dinitz, E., et al. Biochemistry 48(36):8684-8691(2009)Knouff, C.W., et al. Pharmacogenet. Genomics 18(12):1051-1057(2008)Oh, J.H., et al. Mamm. Genome 16(12):942-954(2005)

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$ 277.78
Cat# BP5181a
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