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ATP-ADP Translocase -- See Mitochondrial ADP, ATP Translocases


A class of nucleotide translocases found abundantly in mitochondria that function as integral components of the inner mitochondrial membrane. They facilitate the exchange of ADP and ATP between the cytosol and the mitochondria, thereby linking the subcellular compartments of ATP production to those of ATP utilization
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ATP-binding cassette proteins -- See ATP-binding cassette transporters


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ATP-Binding Cassette, Sub-Family B Proteins -- See ATP Binding Cassette Transporter, Subfamily B


A subfamily of transmembrane proteins from the superfamily of ATP-BINDING CASSETTE TRANSPORTERS that are closely related in sequence to ATP BINDING CASSETTE TRANSPORTER, SUBFAMILY B, MEMBER 1. When overexpressed, they function as ATP-dependent efflux pumps able to extrude lipophilic drugs, especially ANTINEOPLASTIC AGENTS, from cells causing multidrug resistance (DRUG RESISTANCE, MULTIPLE). Although ATP BINDING CASSETTE TRANSPORTER, SUBFAMILY B share functional similarities to MULTIDRUG RESISTANCE-ASSOCIATED PROTEINS they are two distinct subclasses of ATP-BINDING CASSETTE TRANSPORTERS, and have little sequence homology
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ATP Binding Cassette Transporter, Sub-Family B -- See ATP Binding Cassette Transporter, Subfamily B


A subfamily of transmembrane proteins from the superfamily of ATP-BINDING CASSETTE TRANSPORTERS that are closely related in sequence to ATP BINDING CASSETTE TRANSPORTER, SUBFAMILY B, MEMBER 1. When overexpressed, they function as ATP-dependent efflux pumps able to extrude lipophilic drugs, especially ANTINEOPLASTIC AGENTS, from cells causing multidrug resistance (DRUG RESISTANCE, MULTIPLE). Although ATP BINDING CASSETTE TRANSPORTER, SUBFAMILY B share functional similarities to MULTIDRUG RESISTANCE-ASSOCIATED PROTEINS they are two distinct subclasses of ATP-BINDING CASSETTE TRANSPORTERS, and have little sequence homology
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ATP Binding Cassette Transporter, Subfamily B -- See Also Drug Resistance, Multiple


Simultaneous resistance to several structurally and functionally distinct drugs
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ATP Binding Cassette Transporter, Subfamily B. : ABC transporters : biochemical, cellular, and molecular aspects / edited by Suresh V. Ambudkar, Michael M. Gottesman  1998 1
 

ATP Binding Cassette Transporter, Subfamily B, Member 1 -- See Also Drug Resistance, Multiple


Simultaneous resistance to several structurally and functionally distinct drugs
  1
ATP-binding cassette transporters.   5
ATP-Binding Cassette Transporters -- physiology. : ABC transporters : biochemical, cellular, and molecular aspects / edited by Suresh V. Ambudkar, Michael M. Gottesman  1998 1
 

ATP (Biochemistry) -- See Adenosine triphosphate


  1
 

ATP-Dependent DNA Helicases -- See DNA Helicases


Proteins that catalyze the unwinding of duplex DNA during replication by binding cooperatively to single-stranded regions of DNA or to short regions of duplex DNA that are undergoing transient opening. In addition DNA helicases are DNA-dependent ATPases that harness the free energy of ATP hydrolysis to translocate DNA strands
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ATP luminescence assay -- See Bioluminescence assay


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ATP-MgCl2 -- See Adenosine Triphosphate


An adenine nucleotide containing three phosphate groups esterified to the sugar moiety. In addition to its crucial roles in metabolism adenosine triphosphate is a neurotransmitter
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ATP monophosphatase -- See Adenosine triphosphatase


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ATP phosphohydrolase -- See Adenosine triphosphatase


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ATP Phosphotransferases -- See Phosphotransferases


A rather large group of enzymes comprising not only those transferring phosphate but also diphosphate, nucleotidyl residues, and others. These have also been subdivided according to the acceptor group. (From Enzyme Nomenclature, 1992) EC 2.7
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ATP-Sensitive Potassium Channels -- See KATP Channels


Heteromultimers of Kir6 channels (the pore portion) and sulfonylurea receptor (the regulatory portion) which affect function of the HEART; PANCREATIC BETA CELLS; and KIDNEY COLLECTING DUCTS. KATP channel blockers include GLIBENCLAMIDE and mitiglinide whereas openers include CROMAKALIM and minoxidil sulfate
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ATP synthase -- See Adenosine triphosphatase


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ATP synthetase -- See Adenosine triphosphatase


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ATP Translocase -- See Mitochondrial ADP, ATP Translocases


A class of nucleotide translocases found abundantly in mitochondria that function as integral components of the inner mitochondrial membrane. They facilitate the exchange of ADP and ATP between the cytosol and the mitochondria, thereby linking the subcellular compartments of ATP production to those of ATP utilization
  1
  ATPase -- 2 Related Subjects   2
 

ATPase, Actin-Activated -- See Myosins


A diverse superfamily of proteins that function as translocating proteins. They share the common characteristics of being able to bind ACTINS and hydrolyze MgATP. Myosins generally consist of heavy chains which are involved in locomotion, and light chains which are involved in regulation. Within the structure of myosin heavy chain are three domains: the head, the neck and the tail. The head region of the heavy chain contains the actin binding domain and MgATPase domain which provides energy for locomotion. The neck region is involved in binding the light-chains. The tail region provides the anchoring point that maintains the position of the heavy chain. The superfamily of myosins is organized into structural classes based upon the type and arrangement of the subunits they contain
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ATPase, Actomyosin -- See Myosins


A diverse superfamily of proteins that function as translocating proteins. They share the common characteristics of being able to bind ACTINS and hydrolyze MgATP. Myosins generally consist of heavy chains which are involved in locomotion, and light chains which are involved in regulation. Within the structure of myosin heavy chain are three domains: the head, the neck and the tail. The head region of the heavy chain contains the actin binding domain and MgATPase domain which provides energy for locomotion. The neck region is involved in binding the light-chains. The tail region provides the anchoring point that maintains the position of the heavy chain. The superfamily of myosins is organized into structural classes based upon the type and arrangement of the subunits they contain
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ATPase, DNA-Dependent -- See Adenosine Triphosphatases


A group of enzymes which catalyze the hydrolysis of ATP. The hydrolysis reaction is usually coupled with another function such as transporting Ca(2+) across a membrane. These enzymes may be dependent on Ca(2+), Mg(2+), anions, H+, or DNA
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ATPase, Myosin -- See Myosins


A diverse superfamily of proteins that function as translocating proteins. They share the common characteristics of being able to bind ACTINS and hydrolyze MgATP. Myosins generally consist of heavy chains which are involved in locomotion, and light chains which are involved in regulation. Within the structure of myosin heavy chain are three domains: the head, the neck and the tail. The head region of the heavy chain contains the actin binding domain and MgATPase domain which provides energy for locomotion. The neck region is involved in binding the light-chains. The tail region provides the anchoring point that maintains the position of the heavy chain. The superfamily of myosins is organized into structural classes based upon the type and arrangement of the subunits they contain
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ATPases -- See Adenosine Triphosphatases


A group of enzymes which catalyze the hydrolysis of ATP. The hydrolysis reaction is usually coupled with another function such as transporting Ca(2+) across a membrane. These enzymes may be dependent on Ca(2+), Mg(2+), anions, H+, or DNA
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Atra-ḫasīs (Old Babylonian epic) -- See Atrahasis (Old Babylonian epic)


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Atractosteus adamantinus -- See Alligator gar


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Atractosteus lucius -- See Alligator gar


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Atractosteus spatula -- See Alligator gar


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Atracurium -- adverse effects. : Neuromuscular monitoring in clinical practice and research / Thomas Fuchs-Buder  2010 1
Atrahasis (Old Babylonian epic) : Primeval history : Babylonian, biblical, and Enochic : an intertextual reading / by Helge S. Kvanvig  2011 1
 

Aṭrash, Āmāl, 1912-1944 -- See Asmahān, 1912-1944


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Atrato Indians -- See Embera Indians


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Atraumatic abortion -- See Menstrual regulation


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Atrax.   3
Atrax -- Australia. : The poisonous "funnel-web" spider  1935 1
Atrazine -- toxicity. : Interactions of herbicide atrazine with DNA / Maria Hepel and Magdalena Stobiecka  2010 1
Atrazine -- Toxicology.   2
 

ATRCW -- See African Training and Research Centre for Women


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Atresia, Ovarian -- See Ovarian atresia


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Atrevida (Corvette) / http://id.loc.gov/authorities/names/nb2005000972 : The Spanish at Port Jackson : the visit of the corvettes Descubierta & Atrevida, 1793 / preface: A. Grove Day ; translations: Virginia M. Day ; research editors: Iris Bourke, Keast Burke  1967 1
Atrevida (Ship) : The Spanish at Port Jackson : the visit of the corvettes Descubierta & Atrevida, 1793 / preface: A. Grove Day ; translations: Virginia M. Day ; research editors: Iris Bourke, Keast Burke  1967 1
 

Atria -- See Atriums


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Atrial Appendage -- surgery. : Left atrial appendage closure : mechanical approaches to stroke prevention in atrial fibrillation / Jacqueline Saw, Saibal Kar and Matthew J. Price, editors  2016 1
 

Atrial arrhythmias -- See Also the narrower term Atrial fibrillation


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Atrial arrhythmias. : Mechanisms of atrial arrhythmias : insights from the development of a biophysically detailed model of the human atria / Michael A. Colman  2014 1
Atrial arrhythmias -- Etiology. : Thoracic vein arrhythmias : mechanisms and treatment / edited by Shih-Ann Chen, Michel Haïssaguerre, Douglas P. Zipes  2004 1
 

Atrial Electrogram -- See Electrophysiologic Techniques, Cardiac


Methods to induce and measure electrical activities at specific sites in the heart to diagnose and treat problems with the heart's electrical system
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Atrial Electrograms -- See Electrophysiologic Techniques, Cardiac


Methods to induce and measure electrical activities at specific sites in the heart to diagnose and treat problems with the heart's electrical system
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