5ylu

X-ray diffraction
2.8Å resolution

Crystal structure of the gastric proton pump complexed with vonoprazan

Released:
Source organism: Sus scrofa
Primary publication:
Crystal structures of the gastric proton pump.
Nature 556 214-218 (2018)
PMID: 29618813

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-148371 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Potassium-transporting ATPase alpha chain 1 Chain: A
Potassium-transporting ATPase subunit beta Chain: B
Molecule details ›
Chain: B
Length: 289 amino acids
Theoretical weight: 32.98 KDa
Source organism: Sus scrofa
Expression system: Homo sapiens
UniProt:
  • Canonical: P18434 (Residues: 2-290; Coverage: 100%)
Gene name: ATP4B
Sequence domains: Sodium / potassium ATPase beta chain

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P3121
Unit cell:
a: 104.82Å b: 104.82Å c: 367.08Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.239 0.237 0.288
Expression system: Homo sapiens