ATPase

American  

[ey-tee-pee-eys, -eyz] / ˈeɪˈtiˈpi eɪs, -eɪz /

noun

Biochemistry.

1. adenosine triphosphatase: any of several enzymes that catalyze the hydrolysis of ATP to ADP and phosphate.

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ATPase British  

/ ˌeɪtiːˈpiːˌeɪz /

noun

1. adenosine triphosphatase; an enzyme that converts ATP to ADP

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Etymology

Origin of ATPase

First recorded in 1945–50; ATP + -ase

Example Sentences

See Examples For:

ATPase

Using single-cell transcriptomics and functional testing, the team found that blocking this excessive lysosomal activity with a vacuolar ATPase inhibitor restored lysosomal health and improved the function of aging blood stem cells.

From Science Daily ● May 12, 2026

Medications such as omeprazole, pantoprazole, and esomeprazole work by blocking the H+, K+, ATPase enzyme, also known as the proton pump.

From Science Daily ● Feb. 26, 2026

Specifically, when ingested, the toxin targets the electrolyte pumps in the wall of the heart called the sodium potassium ATPase pump.

From Salon ● Apr. 10, 2025

The sodium–potassium ATPase uses cellular energy to move K+ ions inside the cell and Na+ ions outside.

From Textbooks ● Jun. 9, 2022

The sodium-potassium pump, which is also called Na+/K+ ATPase, transports sodium out of a cell while moving potassium into the cell.

From Textbooks ● Jun. 19, 2013