› 1ez9

X-ray diffraction
1.9Å resolution

STRUCTURE OF MALTOTETRAITOL BOUND TO OPEN-FORM MALTODEXTRIN BINDING PROTEIN IN P1 CRYSTAL FORM

Released:
DOI: 10.2210/pdb1ez9/pdb
PDB entry 1ez9 coloured by chain, front view.
PDB entry 1ez9 coloured by chain, side view.
PDB entry 1ez9 coloured by chain, top view.
Source organism: Escherichia coli K-12
Primary publication:
Structural evidence for a dominant role of nonpolar interactions in the binding of a transport/chemosensory receptor to its highly polar ligands.
Duan X, Quiocho FA
Biochemistry 41 706-12 (2002)
PMID: 11790091

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142613 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Maltose/maltodextrin-binding periplasmic protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 370 amino acids
Theoretical weight: 40.75 KDa
Source organism: Escherichia coli K-12
UniProt:
  • Canonical: P0AEX9 (Residues: 27-396; Coverage: 100%)
Gene names: JW3994, b4034, malE
Sequence domains: Bacterial extracellular solute-binding protein
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

Carbohydrate polymer : NEW Components: GLO, GLC
Carbohydrate polymer
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MACSCIENCE
Spacegroup: P1
Unit cell:
a: 51.745Å b: 57.9Å c: 64.594Å
α: 89.31° β: 81.78° γ: 71.97°
R-values:
R R work R free
0.192 0.192 0.235

Quick links

Citations

5 review citations

Structure, function, and evolution of bacterial ATP-binding cassette systems.
Davidson et al. (2008)
4 more

11 mentions without citation

Structural diversity of ABC transporters.
ter Beek et al. (2014)
10 more