› 4xxu

X-ray diffraction
1.43Å resolution

ModA - chromate bound

Released:
DOI: 10.2210/pdb4xxu/pdb
PDB entry 4xxu coloured by chain, front view.
PDB entry 4xxu coloured by chain, side view.
PDB entry 4xxu coloured by chain, top view.
Source organism: Escherichia coli K-12
Entry authors: He C, Karpus J, Ajiboye I

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-153393 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Molybdate-binding protein ModA Chains: A, B
Molecule details ›
Chains: A, B
Length: 257 amino acids
Theoretical weight: 27.4 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P37329 (Residues: 1-257; Coverage: 100%)
Gene names: JW0746, b0763, modA
Sequence domains: Bacterial extracellular solute-binding protein
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

1 bound ligand:
Ligand CQ4 2 x CQ4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P31
Unit cell:
a: 84.049Å b: 84.049Å c: 60.239Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.161 0.16 0.18
Expression system: Escherichia coli

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