› 4z3g

X-ray diffraction
1.45Å resolution

Crystal structure of the lectin domain of PapG from E. coli BI47 in complex with 4-methoxyphenyl beta-D-galabiose in space group P212121

Released:
DOI: 10.2210/pdb4z3g/pdb
PDB entry 4z3g coloured by chain, front view.
PDB entry 4z3g coloured by chain, side view.
PDB entry 4z3g coloured by chain, top view.
Source organism: Escherichia coli
Entry authors: Jakob RP, Navarra G, Zihlmann P, Stangier K, Preston RC, Rabbani S, Maier T, Ernst B

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-103158 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
PapG carbohydrate-binding domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 198 amino acids
Theoretical weight: 22.76 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A182DW20 (Residues: 2-198; Coverage: 100%)
Gene names: G801_04654, G801_04690
Sequence domains: PapG carbohydrate binding domain
Structure domains: Bacterial adhesin receptor binding domain

Ligands and Environments

Carbohydrate polymer : NEW Components: GAL, GLA
Carbohydrate polymer
2 bound ligands:
Ligand MES 2 x MES
Ligand 4KS 2 x 4KS
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P212121
Unit cell:
a: 56.27Å b: 72.61Å c: 94.86Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.17 0.169 0.189
Expression system: Escherichia coli BL21(DE3)

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