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 (ā′tē-pē′ās, -āz)
An enzyme that catalyzes the formation of ATP from ADP, inorganic phosphate, and energy, found in mitochondria and chloroplasts; adenosine triphosphatase. Also called ATP synthase.


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


(ˈeɪˈtiˈpi eɪs, -eɪz)

adenosine triphosphatase: any of several enzymes that catalyze the hydrolysis of ATP to ADP and phosphate.
References in periodicals archive ?
It was proposed that this effect might be due to inhibition of H-/K+ ATPase which causes cellular acidosis and depression of myocardial contractility.
1]) and Ile306-Val308 (Ile310-Val312) is indispensable, because a secondary-structure breaking mutation, Y307P, shut down the open/closed conformational change and ATPase activity of [F.
the ATPase activity of the plasma membrane was determined by measuring the Pi liberated during ATP hydrolysis, according to the colorimetric method described by Fiske and Subbarrow, with the modifications (FACANHA; DE MEIS, 1998).
Identification and partial purification of a (Na-K) ATPase stimulating serine protease from plasma of insulin-dependent diabetics.
In HHD, heterozygous mutation of calcium dependent ATP2C1 gene (chromosome 3q21-24) is seen which results in dysfunction of a Golgi-associated Ca2+ ATPase and interferes with intracellular Ca2+ signaling.
The effects of epoxywelwitschene (4) on the ATPase activity of ABCB1 showed it to interact with the transporter and to be able to reduce the transport of a second subtrate.
ATPase subunits expression, the morula and blastocyst embryos on day 8 were immunostained with different specific primary and a common Fluorescein Isothiocyanate (FITC)-conjugated secondary antibodies.
10 um sections were cut on a cryostat and stained for alkali-stable ATPase after preincubation at pH 10.
27] have reported that a subunit is S-glutathionylated under oxidative stress in rat brain or liver mitochondria leading to decreased ATPase activity.
Cholesterol stimulates the PM ATPase at low and high concentrations whereas stigmasterol has stimulating effect at low concentration and inhibitory effect at high concentration (Grandmougin-Feijani et al.
Therefore, this study was designed to characterize biochemically the contractile and metabolic type of goatling muscles through of myofibrillar ATPase and lactate dehydrogenase (LDH) activities respectively.

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