EAW52740.1
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UniProt Secondary Accession #
UniProt Related Accession #
NCBI Official Full Name
ATPase, Na+/K+ transporting, alpha 2 (+) polypeptide, isoform CRA_b
NCBI Official Synonym Full Names
ATPase, Na+/K+ transporting, alpha 2 polypeptide
NCBI Official Synonym Symbols
NCBI Protein Information
sodium/potassium-transporting ATPase subunit alpha-2; sodium pump subunit alpha-2; Na(+)/K(+) ATPase alpha-2 subunit; Na+/K+ ATPase, alpha-B polypeptide; Na+/K+ ATPase, alpha-A(+) catalytic polypeptide; sodium-potassium ATPase catalytic subunit alpha-2; sodium/potassium-transporting ATPase alpha-2 chain
UniProt Protein Name
Sodium/potassium-transporting ATPase subunit alpha-2
UniProt Synonym Protein Names
Sodium pump subunit alpha-2
UniProt Synonym Gene Names
UniProt Entry Name
AT1A2_HUMAN
NCBI Summary for ATP1A2
The protein encoded by this gene belongs to the family of P-type cation transport ATPases, and to the subfamily of Na+/K+ -ATPases. Na+/K+ -ATPase is an integral membrane protein responsible for establishing and maintaining the electrochemical gradients of Na and K ions across the plasma membrane. These gradients are essential for osmoregulation, for sodium-coupled transport of a variety of organic and inorganic molecules, and for electrical excitability of nerve and muscle. This enzyme is composed of two subunits, a large catalytic subunit (alpha) and a smaller glycoprotein subunit (beta). The catalytic subunit of Na+/K+ -ATPase is encoded by multiple genes. This gene encodes an alpha 2 subunit. Mutations in this gene result in familial basilar or hemiplegic migraines, and in a rare syndrome known as alternating hemiplegia of childhood. [provided by RefSeq, Oct 2008]
UniProt Comments for ATP1A2
ATP1A2: This is the catalytic component of the active enzyme, which catalyzes the hydrolysis of ATP coupled with the exchange of sodium and potassium ions across the plasma membrane. This action creates the electrochemical gradient of sodium and potassium, providing the energy for active transport of various nutrients. Defects in ATP1A2 are the cause of familial hemiplegic migraine type 2 (FHM2). FHM2 is a rare, severe, autosomal dominant subtype of migraine characterized by aura and some hemiparesis. Defects in ATP1A2 are a cause of alternating hemiplegia of childhood 1 (AHC1). AHC is typically distinguished from familial hemiplegic migraine by infantile onset of the symptoms and high prevalence of associated neurological deficits that become increasingly obvious with age. Belongs to the cation transport ATPase (P-type) (TC 3.A.3) family. Type IIC subfamily.
Protein type: Transporter, ion channel; EC 3.6.3.9; Membrane protein, integral; Hydrolase; Membrane protein, multi-pass; Transporter
Chromosomal Location of Human Ortholog: 1q23.2
Cellular Component: cytoplasm; T-tubule; plasma membrane; dendritic spine; synapse; caveola; sodium:potassium-exchanging ATPase complex; endosome; vesicle
Molecular Function: metal ion binding; chaperone binding; sodium:potassium-exchanging ATPase activity; ATP binding
Biological Process: response to nicotine; regulation of smooth muscle contraction; cellular sodium ion homeostasis; negative regulation of heart contraction; adult locomotory behavior; metabolic process; sodium ion transport; regulation of striated muscle contraction; neurological control of breathing; cellular potassium ion homeostasis; negative regulation of striated muscle contraction; potassium ion import; regulation of blood pressure; reduction of cytosolic calcium ion concentration; regulation of vasoconstriction; ATP hydrolysis coupled proton transport; neurotransmitter uptake; visual learning; locomotion; transmembrane transport; regulation of the force of heart contraction; potassium ion transport; cardiac muscle contraction
Disease: Migraine, Familial Hemiplegic, 2; Alternating Hemiplegia Of Childhood 1
Research Articles on ATP1A2
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Products associated with anti-ATP1A2 antibody
Pathways associated with anti-ATP1A2 antibody
Diseases associated with anti-ATP1A2 antibody
Organs/Tissues associated with anti-ATP1A2 antibody
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