3kdp

X-ray diffraction
3.5Å resolution

Crystal structure of the sodium-potassium pump

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-138328 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Sodium/potassium-transporting ATPase subunit alpha-1 Chains: A, C
Sodium/potassium-transporting ATPase subunit beta-1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 286 amino acids
Theoretical weight: 33.1 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P05027 (Residues: 18-303; Coverage: 94%)
Gene name: ATP1B1
Sequence domains: Sodium / potassium ATPase beta chain
Structure domains:
FXYD domain-containing ion transport regulator Chains: G, H
Molecule details ›
Chains: G, H
Length: 27 amino acids
Theoretical weight: 2.95 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: Q58K79 (Residues: 23-49; Coverage: 42%)
Gene name: FXYD2
Sequence domains: ATP1G1/PLM/MAT8 family

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P212121
Unit cell:
a: 68.93Å b: 261.5Å c: 334.78Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.243 0.242 0.286