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The sodium–potassium pump (sodium–potassium adenosine triphosphatase, also known as Na + /K +-ATPase, Na + /K + pump, or sodium–potassium ATPase) is an enzyme (an electrogenic transmembrane ATPase) found in the membrane of all animal cells. It performs several functions in cell physiology.
Another example is the hydrogen potassium ATPase (H + /K + ATPase or gastric proton pump) that acidifies the contents of the stomach. ATPase is genetically conserved in animals; therefore, cardenolides which are toxic steroids produced by plants that act on ATPases, make general and effective animal toxins that act dose dependently.
11928 Ensembl ENSG00000163399 ENSMUSG00000033161 UniProt P05023 Q5TC02 Q8VDN2 RefSeq (mRNA) NM_000701 NM_001001586 NM_001160233 NM_001160234 NM_144900 RefSeq (protein) NP_000692 NP_001153705 NP_001153706 NP_659149 Location (UCSC) Chr 1: 116.37 – 116.41 Mb Chr 3: 101.48 – 101.51 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Protein domain Gastric H + /K + -ATPase, N terminal ...
Amino acids and sugars are taken up from sea water in the presence of extracellular sodium and is driven by the NA + /K +-ATPase pump. [ 1 ] In the roots of plants , the H+/K+ symporters are only one member of a group of several symporters/antiporters that specifically allow only one charged hydrogen ion (more commonly known as a proton) and ...
The P-type ATPases, also known as E 1-E 2 ATPases, are a large group of evolutionarily related ion and lipid pumps that are found in bacteria, archaea, and eukaryotes. [1] P-type ATPases are α-helical bundle primary transporters named based upon their ability to catalyze auto- (or self-) phosphorylation (hence P) of a key conserved aspartate residue within the pump and their energy source ...
The basic function of the Na-K-Cl cotransporter (NKCC). The Na–K–Cl cotransporter (NKCC) is a transport protein that aids in the secondary active transport of sodium, potassium, and chloride into cells. [1]
Sick cell syndrome is a medical condition characterised by reduced functioning of the cellular Na+/K+ pump, [1] which is responsible for maintaining the internal ion homeostasis. The clinical result is a rise in blood K+ level and drop of blood Na+ levels
At the resting voltage potential, a pump is pumping 2 K+ ions into the cell, and pumps 3 Na+ ions out of the cell. Since this is a nett electrical current, it makes the cell's membrane voltage slightly more negative. This causes a passive influx of 1 K+ ion, driven by the membrane voltage.