› 6o9v

X-ray diffraction
3.09Å resolution

KirBac3.1 mutant at a resolution of 3.1 Angstroms

Released:
DOI: 10.2210/pdb6o9v/pdb
PDB entry 6o9v coloured by chain, front view.
PDB entry 6o9v coloured by chain, side view.
PDB entry 6o9v coloured by chain, top view.
Source organism: Magnetospirillum magnetotacticum
Primary publication:
A constricted opening in Kir channels does not impede potassium conduction.
Black KA, He S, Jin R, Miller DM, Bolla JR, Clarke OB, Johnson P, Windley M, Burns CJ, Hill AP, Laver D, Robinson CV, Smith BJ, Gulbis JM
Nat Commun 11 3024 (2020)
PMID: 32541684

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-112991 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Inward rectifier potassium channel Kirbac3.1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 301 amino acids
Theoretical weight: 33.73 KDa
Source organism: Magnetospirillum magnetotacticum
Expression system: Escherichia coli
UniProt:
  • Canonical: D9N164 (Residues: 1-295; Coverage: 100%)
Sequence domains:

Ligands and Environments

4 bound ligands:
Ligand TMO 2 x TMO
Ligand K 3 x K
Ligand DDQ 2 x DDQ
Ligand M1M 2 x M1M
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P21212
Unit cell:
a: 83.298Å b: 114.683Å c: 89.457Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.25 0.248 0.294
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Clinical Importance of the Human Umbilical Artery Potassium Channels.
Lorigo et al. (2020)
1 more

1 mention without citation

A constricted opening in Kir channels does not impede potassium conduction.
Black et al. (2020)