3rbz

X-ray diffraction
3.4Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
homo octamer (preferred)
PDBe Complex ID:
PDB-CPX-127900 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Calcium-gated potassium channel MthK Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 340 amino acids
Theoretical weight: 37.73 KDa
Source organism: Methanothermobacter thermautotrophicus str. Delta H
Expression system: Escherichia coli
UniProt:
  • Canonical: O27564 (Residues: 1-336; Coverage: 100%)
Gene names: MTH_1520, mthK
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P6122
Unit cell:
a: 138.558Å b: 138.558Å c: 371.62Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.259 0.257 0.288
Expression system: Escherichia coli