› 7zp9

Electron Microscopy
2.82Å resolution

KtrAB complex - KtrA8 ring with a KtrB dimer on each side

Released:
DOI: 10.2210/pdb7zp9/pdb
PDB entry 7zp9 coloured by chain, front view.
PDB entry 7zp9 coloured by chain, side view.
PDB entry 7zp9 coloured by chain, top view.
Source organism: Vibrio alginolyticus
Entry authors: Vonck J, Stautz J
Related structures: EMD-14851

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-215383 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ktr system potassium uptake protein A Chains: A, B, D, E, F, H, J, L
Molecule details ›
Chains: A, B, D, E, F, H, J, L
Length: 220 amino acids
Theoretical weight: 23.84 KDa
Source organism: Vibrio alginolyticus
Expression system: Escherichia coli
UniProt:
  • Canonical: O87952 (Residues: 1-220; Coverage: 100%)
Gene name: ktrA
Sequence domains:
Ktr system potassium uptake protein B Chains: C, G, I, M
Molecule details ›
Chains: C, G, I, M
Length: 455 amino acids
Theoretical weight: 49.71 KDa
Source organism: Vibrio alginolyticus
Expression system: Escherichia coli
UniProt:
  • Canonical: O87953 (Residues: 1-455; Coverage: 100%)
Gene name: ktrB
Sequence domains: Cation transport protein

Ligands and Environments

4 bound ligands:
Ligand MG 8 x MG
Ligand ADP 8 x ADP
Ligand LMT 36 x LMT
Ligand K 4 x K
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.82Å
Relevant EMDB volumes: EMD-14851
Expression system: Escherichia coli

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