7btk

X-ray diffraction
2.7Å resolution

E.coli beta-galactosidase (E537Q) in complex with fluorescent probe KSA01

Released:
Model geometry
Fit model/data

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133034 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-galactosidase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 1025 amino acids
Theoretical weight: 116.69 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P00722 (Residues: 1-1024; Coverage: 100%)
Gene names: JW0335, b0344, lacZ
Sequence domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL18U1
Spacegroup: C2
Unit cell:
a: 249.832Å b: 85.454Å c: 243.307Å
α: 90° β: 94.15° γ: 90°
R-values:
R R work R free
0.218 0.218 0.233
Expression system: Escherichia coli