› 2gh9

X-ray diffraction
1.95Å resolution

Thermus thermophilus maltotriose binding protein bound with maltotriose

Released:
DOI: 10.2210/pdb2gh9/pdb
PDB entry 2gh9 coloured by chain, front view.
PDB entry 2gh9 coloured by chain, side view.
PDB entry 2gh9 coloured by chain, top view.
Source organism: Thermus thermophilus HB27
Primary publication:
Structural adaptations that modulate monosaccharide, disaccharide, and trisaccharide specificities in periplasmic maltose-binding proteins.
Cuneo MJ, Changela A, Beese LS, Hellinga HW
J Mol Biol 389 157-66 (2009)
PMID: 19361522

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-180828 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Maltose/maltodextrin-binding protein Chain: A
Molecule details ›
Chain: A
Length: 386 amino acids
Theoretical weight: 42.1 KDa
Source organism: Thermus thermophilus HB27
Expression system: Escherichia coli
UniProt:
  • Canonical: Q72I44 (Residues: 20-398; Coverage: 100%)
Gene name: TT_C1288
Sequence domains: Bacterial extracellular solute-binding protein
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

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

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P212121
Unit cell:
a: 58.09Å b: 68.994Å c: 90.085Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.197 0.254
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Canonical and ECF-type ATP-binding cassette importers in prokaryotes: diversity in modular organization and cellular functions.
Eitinger et al. (2011)
1 more

3 mentions without citation

Structure determination of a sugar-binding protein from the phytopathogenic bacterium Xanthomonas citri.
Medrano et al. (2014)
2 more