› 2q89

X-ray diffraction
2.3Å resolution

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-187949 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Solute-binding protein family 3/N-terminal domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 257 amino acids
Theoretical weight: 27.16 KDa
Source organism: Sinorhizobium meliloti
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q92WC8 (Residues: 28-283; Coverage: 100%)
Gene names: SM_b20428, ehuB
Sequence domains: Bacterial extracellular solute-binding proteins, family 3
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

2 bound ligands:
Ligand CD 4 x CD
Ligand 6CS 1 x 6CS
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P43212
Unit cell:
a: 57.135Å b: 57.135Å c: 161.576Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.236 0.235 0.261
Expression system: Escherichia coli BL21

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

2 mentions without citation

Role of the Extremolytes Ectoine and Hydroxyectoine as Stress Protectants and Nutrients: Genetics, Phylogenomics, Biochemistry, and Structural Analysis.
Czech et al. (2018)
1 more