The hydrogen/potassium ATPase, or gastric proton pump, belongs to a family of P-type cation-transporting ATPases. This family of ATPases shares a number of functional and structural similarities including the common feature of consisting of an alpha and beta subunit. Like the ubiquitous sodium/potassium ATPase, the hydrogen/potassium ATPase consists of a large transmembrane catalytic subunit, termed the alpha- subunit which contains sites for ATP binding and phosphorylation, and an associated smaller glycoprotein, termed the beta-subunit which may play a role in maintaining the structural and functional integrity of the complex.
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Protein Aliases: ATPase H+K+-transporting beta / (gastric HK-ATPase beta subunit) defined by SSR; ATPase, H+,K+-transporting, beta / (gastric H,K-ATPase beta subunit), defined by SSR; ATPase, H+/K+ exchanging, beta polypeptide; ATPase, H+/K+ transporting, beta polypeptide; ATPase, H+/K+ transporting, beta polypeptide, gastric specific; Gastric H(+)/K(+) ATPase subunit beta; gastric H+/K+ ATPase beta subunit; gastric hydrogen-potassium ATPase, beta; H+,K+-ATPase; H+/K+ ATPase beta; H+/K+-ATPase beta; H,K-ATPase-Beta; potassium-transporting ATPase beta chain; Potassium-transporting ATPase subunit beta; Proton pump beta chain
Gene Aliases: ATP4B; ATP6B; AV080843; S76401S1