The Enzyme Database

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EC 3.6.3.10     
Accepted name: H+/K+-exchanging ATPase
Reaction: ATP + H2O + H+in + K+out = ADP + phosphate + H+out + K+in
Other name(s): H+-K+-ATPase; H,K-ATPase; (K+ + H+)-ATPase
Systematic name: ATP phosphohydrolase (H+/K+-exchanging)
Comments: A P-type ATPase that undergoes covalent phosphorylation during the transport cycle. A gastric mucosal enzyme that catalyses the efflux of one H+ and the influx of one K+ per ATP hydrolysed.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
References:
1.  Sachs, G., Collier, R.H., Shoemaker, R.L. and Hirschowitz, B.I. The energy source for gastric H+ secretion. Biochim. Biophys. Acta 162 (1968) 210–219. [PMID: 5682852]
2.  Hersey, S.J., Perez, A. Matheravidathu, S. and Sachs, G. Gastric H+-K+-ATPase in situ: evidence for compartmentalization. Am. J. Physiol. 257 (1989) G539–G547. [PMID: 2552824]
3.  Rabon, E.C. and Reuben, M.A. The mechanism and structure of the gastric H,K-ATPase. Annu. Rev. Physiol. 52 (1990) 321–344. [PMID: 2158765]
[EC 3.6.3.10 created 1984 as EC 3.6.1.36, transferred 2000 to EC 3.6.3.10]
 
 


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