PDBe 5jdq

X-ray diffraction
2.5Å resolution

Structural mechanisms of extracellular ion exchange and induced binding-site occlusion in the sodium-calcium exchanger NCX_Mj soaked with 100 mM Na+ and 10mM Sr2+


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Uncharacterized membrane protein MJ0091 Chain: A
Molecule details ›
Chain: A
Length: 302 amino acids
Theoretical weight: 32.22 KDa
Source organism: Methanocaldococcus jannaschii DSM 2661
Expression system: Escherichia coli
  • Canonical: Q57556 (Residues: 1-302; Coverage: 100%)
Gene name: MJ0091
Sequence domains: Sodium/calcium exchanger protein
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P212121
Unit cell:
a: 49.876Å b: 72.425Å c: 95.913Å
α: 90° β: 90° γ: 90°
R R work R free
0.217 0.214 0.242
Expression system: Escherichia coli