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ATP4A

Anti-ATP4A Recombinant Antibody Products

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For Research Use Only. Not For Clinical Use.


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 a catalytic alpha subunit of the gastric H+, K+-ATPase.
Protein class

Enzymes, FDA approved drug targets, Metabolic proteins, Plasma proteins, Transporters

Predicted location

Membrane

Single cell type specificity

Group enriched (Gastric mucus-secreting cells, Late spermatids)

Immune cell specificity

Not detected in immune cells

Cell line specificity

Not detected

Interaction

The gastric H(+)/K(+) ATPase pump is composed of the catalytic alpha subunit ATP4A and the regulatory beta subunit ATP4B. Interacts (via the P-domain) with ATP4B (via N-terminus); this interaction stabilizes the lumenal-open E2 conformation state and prevents the reverse reaction of the transport cycle.

Molecular function

Translocase

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