1fqc

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF MALTOTRIOTOL BOUND TO CLOSED-FORM MALTODEXTRIN BINDING PROTEIN

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Maltose/maltodextrin-binding periplasmic protein Chain: A
Molecule details ›
Chain: A
Length: 370 amino acids
Theoretical weight: 40.7 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AEX9 (Residues: 28-396; 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
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2
Unit cell:
a: 105Å b: 68.1Å c: 57.5Å
α: 90° β: 112.7° γ: 90°
R-values:
R R work R free
0.199 0.199 0.246
Expression system: Escherichia coli