ATPase

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ATP·ase

(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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ATPase

(ˌeɪtiːˈpiːˌeɪz)

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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ATPase

(ˈeɪˈtiˈpi eɪs, -eɪz)

n.

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

[1945–50]

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References in periodicals archive ?

Ca2+-activated ATPase enzyme activity investigation

Effect of Cold Storage on Composition and Properties of Grass Carp Muscle Proteins

The researchers observed three principal modes of coordinated hydrolysis, featuring hydrolytic events in two oppositely positioned ATPases, in two adjacent ATPases, and in one ATPase at a time.

A Landmark Research on Human Proteasome for Pathogenesis of Multiple Myeloma and Neurodegenerative Diseases

The role of cation activated ATPase in transmitter release from the rat iris.

Protective effects of St. John's wort in the hepatic ischemia/reperfusion injury in rats

[6] These two cations are in balance with each other, because of Na+ - K+ - ATPase pump, which in turn maintains permeability of lens membrane.

STUDY OF CHANGES IN SERUM ELECTROLYTES AND ITS RISK IN DEVELOPMENT OF SENILE CORTICAL CATARACT

Several researchers reported that in IDA, the activity of red cell membrane-bound [Na.sup.+][K.sup.+]ATPase is altered and due to this altered ATPase activity, serum sodium, and potassium levels are affected.

Perturbations of serum electrolyte levels in iron deficiency anemia - A comparative analysis

Figure 2(a) shows that the [Na.sup.+]/[K.sup.+]-ATPase activity in the control increased for 12 h, whereas ATPase activity increased from 0 to 8 h and then decreased from 8 to 12 h before increasing again from 12 to 24 h when treated with BPCE.

Effects of Black Pepper (Piper nigrum L.) Chloroform Extract on the Enzymatic Activity and Metabolism of Escherichia coli and Staphylococcus aureus

Androgens have been suggested to increase the expression of the Na-K ATPase and explain the male to female prevalence to have been reported to be from 20 to 44: 1 [5,9], although the prevalence of hyperthyroidism of male to female is 1: 10.

Bilateral Lower Extremity Paralysis in a Caucasian Male Presenting to the Emergency Department

The activation of [Na.sup.+]-[K.sup.+] ATPase leads to a shift of potassium ions intracellularly, resulting in hypokalaemia and hyperpolarisation of muscle cell membranes [1].

Graves' Disease Presenting with Periodic Paralysis to the Emergency Department

Myosin globular head is responsible for the ATPase activity [16].

Quality Changes and Discoloration of Basa (Pangasius bocourti) Fillet during Frozen Storage

ATP1AL1 gene is transcriptionally competent and probably encodes the related ion transport ATPase," FEBS Letters, vol.

Proton Pump Inhibitors and Dementia: Physiopathological Mechanisms and Clinical Consequences

[F.sub.1] can be solubilized and the isolated [F.sub.1] functions only as ATPase.

Dynamic mechanisms driving conformational conversions of the [beta] and [epsilon] subunits involved in rotational catalysis of [F.sub.1]-ATPase

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