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Rabbit Anti-ATP1A1/FITC Conjugated antibody
background:
The ubiquitously expressed sodium/potassium-ATPase (Na+/K+-ATPase) exists as a oligomeric plasma membrane complex that couples the hydrolysis of one molecule of ATP to the importation of three Na+ ions and two K+ ions against their respective electrochemical gradients. As a member of the P-type family of ion motives, Na+/K+-ATPase plays a critical role in maintaining cellular volume, resting membrane potential and Na+-coupled solute transport.The Alpha subunit contains the binding sites for ATP and the cations; the glycosylated Beta subunit ensures correct folding and membrane insertion of the Alpha subunits. The small subunit co-localizes with the Alpha subunit in nephron segments, where it increases the affinity of Na+/K+-ATPase for ATP. The Betasubunit, but not the subunit, is essential for normal activity of Na+/K+-ATPase.
Function:
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 ions, providing the energy for active transport of various nutrients.
Subunit:
Interacts with SIK1. Composed of three subunits: alpha (catalytic), beta and gamma. Binds the HLA class II histocompatibility antigen, DR1.
Subcellular Location:
Cell membrane. Melanosome. Identified by mass spectrometry in melanosome fractions from stage I to stage IV.
Post-translational modifications:
Phosphorylation on Tyr-10 modulates pumping activity. Dephosphorylation by protein phosphatase 2A (PP2A) following increases in intracellular sodium, leading to increase catalytic activity.
Similarity:
Belongs to the cation transport ATPase (P-type) (TC 3.A.3) family. Type IIC subfamily.
Database links:
Entrez Gene: 476 Human
Entrez Gene: 11928 Mouse
Entrez Gene: 24211 Rat
Omim: 182310 Human
SwissProt: P05023 Human
SwissProt: Q8VDN2 Mouse
SwissProt: P06685 Rat
Unigene: 371889 Human
Unigene: 280103 Mouse
Unigene: 217534 Rat
Unigene: 2992 Rat
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
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