4nab

X-ray diffraction
3.5Å resolution

Structure of the (SR)Ca2+-ATPase mutant E309Q in the Ca2-E1-MgAMPPCP form

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-137501 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 Chain: A
Molecule details ›
Chain: A
Length: 1000 amino acids
Theoretical weight: 110.18 KDa
Source organism: Oryctolagus cuniculus
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P04191 (Residues: 1-993; Coverage: 99%)
  • Best match: P04191-2 (Residues: 1-994)
Gene name: ATP2A1
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: C2
Unit cell:
a: 167.01Å b: 55.79Å c: 161.79Å
α: 90° β: 109.29° γ: 90°
R-values:
R R work R free
0.218 0.216 0.266
Expression system: Saccharomyces cerevisiae