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- Table of Contents
Facts about Potassium-transporting ATPase alpha chain 1.
Catalyzes the hydrolysis of ATP coupled with the exchange of H(+) and K(+) ions across the plasma membrane.
Responsible for acid production in the stomach..
Human | |
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Gene Name: | ATP4A |
Uniprot: | P20648 |
Entrez: | 495 |
Belongs to: |
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cation transport ATPase (P-type) (TC 3.A.3) family |
ATP6Agastric H; ATPase, H+/K+ exchanging, alpha polypeptide; ATPase, H+/K+ transporting, alpha polypeptide; EC 3.6.3; EC 3.6.3.10; gastric H; Gastric H(+)/K(+) ATPase subunit alpha; gastric H+/K+ ATPase alpha subunit; gastric hydrogen-potassium ATPase; H(+)-K(+)-ATPase alpha subunit; K-ATPase alpha subunit; K-ATPase catalytic subunit; potassium-transporting ATPase alpha chain 1; Proton pump
Mass (kDA):
114.119 kDA
Human | |
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Location: | 19q13.12 |
Sequence: | 19; NC_000019.10 (35550031..35563658, complement) |
Found in gastric mucosa.
Cell membrane; Multi-pass membrane protein.
PMID: 2160952 by Maeda M., et al. Human gastric (H+ + K+)-ATPase gene. Similarity to (Na+ + K+)-ATPase genes in exon/intron organization but difference in control region.
PMID: 2176086 by Newman P.R., et al. Structure of the human gastric H,K-ATPase gene and comparison of the 5'-flanking sequences of the human and rat genes.