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CRYSTALLOGRAPHIC EVIDENCE OF A LARGE LIGAND-INDUCED HINGE-TWIST MOTION BETWEEN THE TWO DOMAINS OF THE MALTODEXTRIN-BINDING PROTEIN INVOLVED IN ACTIVE TRANSPORT AND CHEMOTAXIS

X-ray diffraction
1.8Å resolution
PDB entry 1omp coloured by chain, front view.
PDB entry 1omp coloured by chain, side view.
PDB entry 1omp coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Maltose/maltodextrin-binding periplasmic protein
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Multimeric state: monomeric
Accessible surface area: 15492.02 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-142613

Macromolecules

Maltose/maltodextrin-binding periplasmic protein
Chain: A
Length: 370 amino acids
Theoretical weight: 40.75 KDa
Source organism: Escherichia coli
Expression system: Not provided
UniProt:
  • Canonical: P0AEX9 (Residues: 27-396; Coverage: 100%)
Gene names: JW3994, b4034, malE
Pfam: Bacterial extracellular solute-binding protein
InterPro:
CATH: Periplasmic binding protein-like II
SCOP: Phosphate binding protein-like
Maltose/maltodextrin-binding periplasmic protein in PDB entry 1omp, assembly 1, front view.
Maltose/maltodextrin-binding periplasmic protein in PDB entry 1omp, assembly 1, side view.
Maltose/maltodextrin-binding periplasmic protein in PDB entry 1omp, assembly 1, top view.
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