Hydrogen potassium ATPase

ATPase, H+/K+ exchanging, alpha polypeptide
Identifiers
SymbolATP4A
NCBI gene495
HGNC819
OMIM137216
RefSeqNM_000704
UniProtP20648
Other data
EC number7.2.2.19
LocusChr. 19 q13.1
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StructuresSwiss-model
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ATPase, H+/K+ exchanging, beta polypeptide
Identifiers
SymbolATP4B
NCBI gene496
HGNC820
OMIM137217
RefSeqNM_000705
UniProtP51164
Other data
EC number7.2.2.19
LocusChr. 13 q34
Search for
StructuresSwiss-model
DomainsInterPro

Gastric hydrogen potassium ATPase, also known as H+/K+ ATPase, is an enzyme which functions to acidify the stomach. It is a member of the P-type ATPases, also known as E1-E2 ATPases due to its two states.

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