X-ray diffraction
2.6Å resolution

Kinetics by X-ray crystallography: Tl+-substitution of bound K+ in the E2.MgF42-.2K+ crystal after 16.5 min


Function and Biology Details

Structure analysis Details

Assembly composition:
Non-polymer only trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (4 distinct):
Sodium/potassium-transporting ATPase subunit alpha Chain: A
Sodium/potassium-transporting ATPase subunit beta Chain: B
Molecule details ›
Chain: B
Length: 305 amino acids
Theoretical weight: 35.18 KDa
Source organism: Squalus acanthias
  • Canonical: C4IX13 (Residues: 1-305; Coverage: 100%)
Gene name: atp1b1
Sequence domains: Sodium / potassium ATPase beta chain
Structure domains:
FXYD domain-containing ion transport regulator Chain: G
Molecule details ›
Chain: G
Length: 74 amino acids
Theoretical weight: 8.23 KDa
Source organism: Squalus acanthias
  • Canonical: Q70Q12 (Residues: 21-94; Coverage: 100%)
Gene name: fxyd10
Sequence domains: ATP1G1/PLM/MAT8 family

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: C2
Unit cell:
a: 222.476Å b: 50.881Å c: 163.81Å
α: 90° β: 104.67° γ: 90°
R R work R free
0.265 0.265 0.257