PDBe 5a1a

Electron Microscopy
2.2Å resolution

2.2 A resolution cryo-EM structure of beta-galactosidase in complex with a cell-permeant inhibitor


Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Beta-galactosidase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 1022 amino acids
Theoretical weight: 116.37 KDa
Source organism: Escherichia coli K-12
  • Canonical: P00722 (Residues: 3-1024; Coverage: 100%)
Gene names: JW0335, b0344, lacZ
Sequence domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.2Å
Relevant EMDB volumes: EMD-2984