› 6dz1

X-ray diffraction
2.26Å resolution

Studies of Ion Transport in K+ Channels

Released:
DOI: 10.2210/pdb6dz1/pdb
PDB entry 6dz1 coloured by chain, front view.
PDB entry 6dz1 coloured by chain, side view.
PDB entry 6dz1 coloured by chain, top view.
Source organism: Bacillus cereus BDRD-Cer4
Primary publication:
Anomalous X-ray diffraction studies of ion transport in K+ channels.
Langan PS, Vandavasi VG, Weiss KL, Afonine PV, El Omari K, Duman R, Wagner A, Coates L
Nat Commun 9 4540 (2018)
PMID: 30382100

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-237311 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Potassium channel protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 95 amino acids
Theoretical weight: 10.57 KDa
Source organism: Bacillus cereus BDRD-Cer4
Expression system: Escherichia coli
Structure domains: Helix Hairpins

Ligands and Environments

2 bound ligands:
Ligand K 10 x K
Ligand MPD 3 x MPD
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I23
Spacegroup: I4
Unit cell:
a: 68.07Å b: 68.07Å c: 89.38Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.18 0.178 0.211
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Ion permeation in potassium ion channels.
Coates L. (2020)
18 other articles

2 mentions without citation

Anomalous X-ray diffraction studies of ion transport in K+ channels.
Langan et al. (2018)
1 more