7ddk

X-ray diffraction
3.5Å resolution

Crystal structures of Na+,K+-ATPase in complex with rostafuroxin

Released:
Source organism: Sus scrofa
Primary publication:
Binding of cardiotonic steroids to Na+,K+-ATPase in the E2P state.
Proc Natl Acad Sci U S A 118 (2021)
PMID: 33318128

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 (4 distinct):
Sodium/potassium-transporting ATPase subunit alpha-1 Chains: A, C
Molecule details ›
Chains: A, C
Length: 1016 amino acids
Theoretical weight: 112.4 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P05024 (Residues: 6-1021; Coverage: 100%)
Gene name: ATP1A1
Sequence domains:
Sodium/potassium-transporting ATPase subunit beta-1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 303 amino acids
Theoretical weight: 35.2 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P05027 (Residues: 1-303; Coverage: 100%)
Gene name: ATP1B1
Sequence domains: Sodium / potassium ATPase beta chain
FXYD domain-containing ion transport regulator Chains: E, G
Molecule details ›
Chains: E, G
Length: 65 amino acids
Theoretical weight: 7.09 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: Q58K79 (Residues: 1-65; Coverage: 100%)
Gene name: FXYD2
Sequence domains: ATP1G1/PLM/MAT8 family

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P212121
Unit cell:
a: 114.357Å b: 118.176Å c: 494.668Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.22 0.269