Electron Microscopy
1.9Å resolution

Atomic resolution cryo-EM structure of beta-galactosidase


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: 1021 amino acids
Theoretical weight: 116.18 KDa
Source organism: Escherichia coli K-12
  • Canonical: P00722 (Residues: 3-1023; 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: 1.9Å
Relevant EMDB volumes: EMD-7770