ATPase

[ey-tee-pee-eys, -eyz]

noun

Biochemistry.

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

ATPase

/ ˌeɪtiːˈpiːˌeɪz /

noun

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

Word History and Origins

Origin of ATPase¹

First recorded in 1945–50; ATP + -ase

Example Sentences

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

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This ubiquitin tag is recognized by Ubx2, which triggers the recruitment of a protein called Cdc48 — a type of enzyme called an AAA ATPase.

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The authors report that inhibiting the Na+, K+-ATPase in a human airway-cell model of cystic fibrosis prevented the beneficial effects of amphotericin B treatment.

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Normally, protons re-enter the mitochondrial matrix through a membrane-spanning protein complex called the proton ATPase.

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Hbs1–Dom34 and the ATPase Rli1 dissociate stalled ribosomes into 40S and 60S subunits.

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