H(+)-K(+)-Exchanging ATPase (also known as Potassium Hydrogen ATPase, ATPase, Potassium Hydrogen): An enzyme isolated from the GASTRIC MUCOSA that catalyzes the hydrolysis of ATP coupled with the exchange of hydrogen and potassium ions across the cell wall. This enzyme was formerly listed as EC 3.6.1.36.

NIH MeSH · D017506Chemicals and Drugs

H(+)-K(+)-Exchanging ATPase

Also known asPotassium Hydrogen ATPase · ATPase, Potassium Hydrogen · ATPase, Hydrogen, Potassium · Hydrogen, Potassium ATPase · ATPase Hydrogen, Potassium · Adenosinetriphosphatase, Hydrogen, Potassium · Hydrogen, Potassium, Adenosinetriphosphatase · H(+)-K(+)-Transporting ATPase · Adenosine Triphosphatase, Hydrogen, Potassium · Hydrogen, Potassium, Adenosine Triphosphatase · Gastric H(+) K(+) ATPase · Hydrogen-Potassium-Exchanging ATPase

Definition

An enzyme isolated from the GASTRIC MUCOSA that catalyzes the hydrolysis of ATP coupled with the exchange of hydrogen and potassium ions across the cell wall. This enzyme was formerly listed as EC 3.6.1.36.

MeSH classification

  • D08.811.277.040.025.314.625
  • D12.776.157.530.450.250.875.500.625
  • D12.776.157.530.813.625
  • D12.776.543.585.450.250.875.500.625
  • D12.776.543.585.813.625

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Common questions about H(+)-K(+)-Exchanging ATPase

What does H(+)-K(+)-Exchanging ATPase mean in medicine?
An enzyme isolated from the GASTRIC MUCOSA that catalyzes the hydrolysis of ATP coupled with the exchange of hydrogen and potassium ions across the cell wall. This enzyme was formerly listed as EC 3.6.1.36. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is H(+)-K(+)-Exchanging ATPase known by any other names?
Yes. H(+)-K(+)-Exchanging ATPase is also referred to as Potassium Hydrogen ATPase, ATPase, Potassium Hydrogen, ATPase, Hydrogen, Potassium, Hydrogen, Potassium ATPase in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does H(+)-K(+)-Exchanging ATPase sit in the medical classification?
H(+)-K(+)-Exchanging ATPase falls under the broader medical category "Chemicals and Drugs" in the MeSH hierarchy (tree numbers: D08.811.277.040.025.314.625, D12.776.157.530.450.250.875.500.625, D12.776.157.530.813.625). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of H(+)-K(+)-Exchanging ATPase?
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Source: NIH MeSH 2026 (D017506) — National Library of Medicine, public domain. View official MeSH record ↗