6eq1

X-ray diffraction
2.1Å resolution

Structure of the periplasmic binding protein (PBP) MelB (Atu4661) in complex with stachyose from agrobacterium fabrum C58

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-242631 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Periplasmic alpha-galactoside-binding protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 683 amino acids
Theoretical weight: 76.36 KDa
Source organism: Agrobacterium tumefaciens
Expression system: Escherichia coli

Ligands and Environments

Carbohydrate polymer : NEW Components: FRU, GLC, GAL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 1
Spacegroup: C2
Unit cell:
a: 108.18Å b: 73.98Å c: 171.45Å
α: 90° β: 92.45° γ: 90°
R-values:
R R work R free
0.193 0.191 0.225
Expression system: Escherichia coli