A4SZG8

Potassium-transporting ATPase ATP-binding subunit

UniProtKB/Swiss-Prot protein
Short nameKDPB_POLAQ
Length691 amino acids
SpeciesPolynucleobacter asymbioticus (strain DSM 18221 / CIP 109841 / QLW-P1DMWA-1)
GenekdpB
Function
Part of the high-affinity ATP-driven potassium transport (or Kdp) system, which catalyzes the hydrolysis of ATP coupled with the electrogenic transport of potassium into the cytoplasm. This subunit is responsible for energy coupling to the transport ...
Family membership
Entry matches to this protein
169150100150200250300350400450500550600650
200400600
P-type_ATPase_K
Putative cation binding site
Putative ATP binding site
p-type_atpase
Stabilizes transition state of phosphoryl transfer by contacting beta & gamma phosphate oxygens of ATP
Coordinates with phosphate oxygen from ATP
Nucleophile: attacks gamma phosphate moiety of ATP to form covalent intermediate, Mg2+ ligand
Mg2+ ligand
Conserved in all p-type atpases
Probable role in phosphate transfer from ATP
C1.7:_P-type_atpase_like
Conserved in all p-type atpases
Mg2+ ligand
Probable role in phosphate transfer from ATP
Nucleophile: attacks gamma phosphate moiety of ATP to form covalent intermediate, Mg2+ ligand
Stabilizes transition state of phosphoryl transfer by contacting beta & gamma phosphate oxygens of ATP
Coordinates with phosphate oxygen from ATP
PIRSR
METAL: Magnesium.

InterPro GO terms

Panther GO terms
PTHR43743:SF1

biological process

  • None

cellular component

  • None
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